View BD3883FS-E2_9099305.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

1/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. sound processors for boom box / mini-c omponent s t er eo sound processors with built-in 3-band equalizers bd3403fv , bd3861fs, bd3883f s desc ri ptio n the sound processor has a built-in 3 band equalizer and can be controlled with a 2-wire serial. it is suited for a sound quality design which incorporates various functions, ranging from source selectors, such as boom box, mini-audio systems and micro-audio systems to preamplif iers at the front stage of the power amp. f e atu r es 1) high s/n, achieved by implementing 2-stage configuration of front volume and rear volume. 2) provides surround and rear volume with soft-switch to reduce a shock sound during switching functions(bd3883fs). 3) volume and tone implemented with the resistance ladder circuit (to achieve high performance with low noise and low distortion). 4) uses the bicmos process that ac hieves low-consumption current, which c ontributes to an energy-saving design. using the bicmos process, has the advantage in quality over the scaling down of the internal regulators and heat controls. 5) ssop-a32 and ssop-b40 are used for the packages. input pins and output pins are organized and separately laid out so as to keep the signal flows in one direction wh ich consequently, simplify pattern layout of the set board and decrease the board dimensions. a p p lic ati o n s boom box, mini-audio systems, and micro-audio systems. prod u c t li ne up parameter bd3403fv bd3861fs bd3883fs operating voltage range 6.5 to 9. 5v 6.5 to 9.5v 6.5 to 9.5v equalizer 3 band (bass, middle, treble) 3 band (bass, middle, treble) 3 band (bass, middle, treble) front volume 0 to -30db/2db step 0 to -50db/2db step -50 to -70db/4db step, - db 0 to -87db/1db step, - db rear volume 0 to -59db/1db step, - db 0 to -59db/1db step, - db 0, -10db input gain 0 to 26db/2db step 0 to 26db/2db step 0, 6, 12, 16, 20, 23, 26, 29db microphone input ? surround ? package ssop-b40 ssop-a32 ssop-a32 a b s o lute maximum r a tings (ta=25 ) prameter symbol ratings unit bd3403fv bd3861fs,bd3883fs power supply voltage vcc 10 10 v power dissipation pd 900 *1 950 *2 mw input voltage range vin gnd-0.3 to vcc+0.3 gnd-0.3 to vcc+0.3 v operating temperature range t opr -25 to +75 -25 to +75 storage temperature range tstg -55 to +125 -55 to +125 *1 reduced by 9.0 mw/ over 25 , when installed on the standard board (size: 70701.6mm) for (bd3403fv). *2 reduced by 9.5 mw/ over 25 , when installed on the standard board (s ize:70701.6mm) for (bd3861fs,bd3883fs). o per ati ng v o lt ag e ra n ge prameter symbol ratings unit bd3403fv vcc 6.5 to 9.5 v bd3861fs bd3883fs no.10086eat01 downloaded from: http:///
technical note 2/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs e l ectr ic al c h a r act e rist ics bd3403fv v cc =9v, f=1khz, vin=1vrms, rg=600 ? , rl=10k ? , ta=25 , input gain=0db, vol=0db, bass, middle, treble=0db, surround=off, unless otherwise noted. parameter symbol limits unit condition min. typ. max. total circuit current iq - 16.0 30.0 ma at no signal output voltage gain gv -1.5 0.0 1.5 db gv ? 20log(vout/vin) total harmonic distortion ratio thd - 0.02 0.08 % 400 to 30khz bpf maximum output voltage vom 2.0 2.5 - vrms thd ? 1% output noise voltage vno - 1.8 6.0 vrms rg ? 0k , ihf-a cross-talk between channels ct - 3.0 9.0 vrms rg ? 0k , ihf-a input 6dbsw gain gv6 5 6 7 db vin ? 200mvrms gv6 ? 20log(vout/vin) input voltage gain 1 gvmaxi1 -1 *2 +1 db vin ? 200mvrms, from 0 to 10db gvmaxi1=20log(vout/vin) input voltage gain 2 gvmaxi2 -1.5 *2 +1.5 db vin ? 200mvrms from 12 to 26db gvmaxi2 ? 20log(vout/vin) input gain switching step gvmaxist - 2 - db from 0 to 26db input total harmonic distortion ratio thdi - 0.02 0.08 % 400 to 30khz bpf input maximum output voltage vomi 2.0 2.5 - db thd ? 1% cross-talk between selectors cs - -80.0 -70.0 db rg=0k , ihf-a cs ? 20log(vout/vin) input impedance ri 35.0 50.0 65.0 k ri ? 51kvout/ (vin-vout) e input sw attenuation gre - -20.0 -15.0 db gre ? 20log(vout/vin) input volume input volume 1 giv1 -2 *3 +2 db from 0 to -30db giv1 ? 20log(vout/vin) volume switching step 1 givst1 - 2 - db from 0 to -30db output volume output volume gov -1 *1 +1 db from 0 to C 59db gov=20log(vout/vin) output switching step govst - 1 - db from 0 to C59db maximum attenuation gmino - - -90.0 db ihf-a, gmino=20log(vout/vin) surround surround gain ch1 ch2 gsur1 5 7 9 db v in =200mvrms, f=1khz surround gain ch2 ch1 gsur2 5 7 9 db v in =200vrms, f=1khz bass bass boost gain gbb -2 *1 +2 db v in =200mvrms, f=90hz, from 0 to 14db gbb=20log(vout/vin) bass cut gain gbc -2 *1 +2 db v in =200mvrms, f =90hz, from C14 to 0db gbc=20log(vout/vin) bass switching step gbst - 2 - db v in =200mvrms, f=90hz middle middle boost gain gmb -2 *1 +2 db v in =200mvrms, from 0 to 12db gmb=20log(vout/vin) middle cut gain gmc -2 *1 +2 db v in =200mvrms, from -12 to 0db gmc=20log(vout/vin) middle switching step gmst - 2 - db v in =200mvrms treble treble boost gain gtb -2 *1 +2 db v in =200mvrms, f=10khz from 0 to 12db gtb=20log(vout/vin) treble cut gain gtc -2 *1 +2 db v in =200mvrms, f=10khz from -12 to 0db gtc=20log(vout/vin) treble switching step gtst - 2 - db v in =200mvrms, f=10khz mic microphone voltage gain gmic 4.5 6.0 7.5 db v in =200mvrms gmic=20log(vout/vin) *1 *2 typ. is set to the value descrived in condition. min. and max. mean the error. downloaded from: http:///
technical note 3/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs ? bd3861fs vcc=9v, f=1khz, vin=1vrms, rg=600 ? , rl=10k ? , ta=25 , input gain=0db, vol=0db, bass, middle, treble=0db, unless otherwise noted. parameter symbol limits unit condition min. typ. max. total circuit current iq - 13.0 26.0 ma at no signal output voltage gain gv -1.5 0.0 1.5 db gv=20log(vout/vin) total harmonic distortion thd - 0.02 0.08 % 400 to 30khz bpf maximum output voltage vom 2.0 2.5 - vrms thd=1% output noise voltage vno - 8.0 15.0 vrms rg=0k , ihf-a cross-talk between channels ct - -80 -70 db rg=0k , ihf-a input 6db sw gain gv6 5 6 7 db vin=200mvrms gv6=20log(vout/vin) input voltage gain 1 gvmaxi1 -1 *1 +1 db vin=200mvrms from 0 to 10db gvmaxi1=20log(vout/vin) input voltage gain 2 gvmaxi2 -1.5 *1 +1.5 db vin=200mvrms, from 12 to 26db gvmaxi2=20log(vout/vin) input gain switching step gvmaxist - 2 - db from 0 to 26db input total harmonic distortion thdi - 0.02 0.08 % 400 to 30khz bpf input maximum output voltage vomi 2.0 2.5 - db thd=1% cross-talk between selectors cs - -80.0 -70.0 db rg=0k , ihf-a cs=20log(vout/vin) input impedance ri 35.0 50.0 65.0 k ri=51kvout/ (vin-vout) e input sw attenuation gre - - 20.0 -15.0 db gre=20log(vout/vin) input volume input volume 1 giv1 -2 *1 +2 db from 0 to -50db giv1=20log(vout/vin) input volume 2 giv2 -3 *1 +3 db from -54 to C 70db giv2=20log(vout/vin) volume switching step 1 givst1 - 2 - db from 0 to -50db volume switching step 2 givst2 - 4 - db from -54 to C70db maximum attenuation gmini - - -90.0 d b ihf-a, gmini=20log(vout/vin) output volume output volume gov -1 *1 +1 db from 0 to C 59db gov=20log(vout/vin) output switching step govst - 1 - db from 0 to C59db maximum attenuation gmino - - -90.0 db ihf-a gmino=20log(vout/vin) bass bass boost gain gbb -2 *1 +2 db vin=200mvrms, f=90hz, from 0 to 14db gbb=20log(vout/vin) bass cut gain gbc -2 *1 +2 db vin=200mvrms, f =90hz, from -14 to 0db gbc=20log(vout/vin) bass switching step gbst - 2 - db vin=200mvrms, f=90hz middle middle boost gain gmb -2 *1 +2 db vin=200mvrms, from 0 to 12db gmb=20log(vout/vin) middle cut gain gmc -2 *1 +2 db vin=200mvrms, from -12 to 0db gmc=20log(vout/vin) middle switching step gmst - 2 - db vin=200mvrms treble treble boost gain gtb -2 *1 +2 db vin=200mvrms, f=10khz from 0 to 12db gtb=20log(vout/vin) treble cut gain gtc -2 *1 +2 db vin=200mvrms, f=10khz from -12 to 0db gtc=20log(vout/vin) treble switching step gtst - 2 - db vin=200mvrms, f=10khz mic microphone voltage gain gmic 4.5 6.0 7.5 db vin=200mvrms gmic=20log(vout/vin) *1 typ. is set to the value descrived in condition. min. and max. mean the error. downloaded from: http:///
technical note 4/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs ? bd3883fs ta = 2 5 , vcc=8v, f=1khz, vi=200mvrms, rl=10k ? , rg=600 ? , input selector=ach, input gain=0db, volu me=0db, bass=0db, middle=0db, treble=0db, surround=off, recout=off, unless otherwise noted. parameter symbol limits unit condition min. typ. max. total circuit current iq - 8 21 ma at no signal total output voltage gain gv -2 0 2 db total harmonic distortion thdo - 0.01 0.1 % bw=400 to 30khz maximum output voltage vomaxo 1.6 2.1 - vrms thd=1% bw=400 to 30khz total residual noise voltage vno - 2 10 vrms rg=0 , vol=- db bw=ihf-a, rear att=-10db total output noise voltage vmno - 4 15 vrms rg=0 , vol=0db bw=ihf-a cross-talk between channels ctc12 - -80 -70 db rg=0 , bw=ihf-a vout=1vrms input impedance rin 70 100 130 k output impedance rout - - 50 input cross-talk between selectors cts1 - -80 -70 db vout=1vrms rg=0 , bw=ihf-a volume volume control range vri -90 -8 7 -84 db bw=ihf-a ,vout=1vrms volume setting error 1 vei1 -2 0 2 db 0 to -53db,bw=ihf-a vout=1vrms volume setting error 2 vei2 -3 0 3 db -54 to C87db,bw=ihf-a vout=1vrms maximum attenuation vmin - - -90 db bw=ihf-a vout=1vrms volume input impedance rvin 39 56 73 k bass bass gain gb -17.5 to +17.5 db bass gain setting error be -2.5 0 -2.5 db middle middle gain gm -14 to +14 db middle gain setting error me -2 0 -2 db treble treble gain gt -14 to +14 db treble gain setting error te -2 0 2 db surround surround in-phase gain vsur1 -2 0 2 db surround single-phase gain vsur2 4.3 6.3 8.3 db ac-grounding opposite-phase gain vsur3 8 10 12 db this ic is not designed to be radiation-resistant. downloaded from: http:///
technical note 5/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs co ntro l si gna l s pec ific atio ns 1. signal timing conditions ? data is read on the rising edge of the clock. ? latch is read on the falling edge of the clock. ? latch signal must terminate with the low state. ? to avoid malfunctions, clock and data signals must terminate with the low state. 1byte=8bit fig.1 parameter symbol limits unit min. typ. max. minimum clock width twc 2.0 - - s minimum data width twd 2.0 - - s minimum latch width tw1 2.0 - - s data set-up time (data ? clk) tsd 1.0 - - s data hold time (clk ? data) thd 1.0 - - s latch set-up time (clk ? latch) ts1 1.0 - - s latch hold time (data ? latch) th1 1.0 - - s latch low set-up time ts 1.0 - - s latch low hold time th 1.0 - - s 2. voltage conditions for control signals (bd3403fv, bd3861fs) parameter condition limits unit min. typ. max. h input voltage vcc=6.5 to 9.5v 2.6 - 5.5 v l input voltage vcc=6.5 to 9.5v 0 - 1.1 v 3. voltage conditions for control signals (bd3883fs) parameter condition limits unit min. typ. max. h input voltage vcc=6.5 to 9.5v 2.2 - 5.5 v l input voltage vcc=6.5 to 9.5v 0 - 1.0 v sc (clock) si data latch thd thd th ts ts1 th1 tsd twc twd twd tw1 tsu data data latch 90% 90% 90% 90% 10% 10% 10% 90% 90% 90% 90% 90% 10% 10% 10% twc low downloaded from: http:///
technical note 6/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs co ntro l d a t a for mat l i st (bd3403fv) address 1 d10 d11 d12 d13 d14 d15 d16 d17 output volume 1 output volume 2 function select 0 0 address 2 d20 d21 d22 d23 d24 d25 d26 d27 input volume surround 0:off 1:on function select 0 1 0 address 3 d30 d31 d32 d33 d34 d35 d36 d37 input selector 6db sw 0: 0db 1:+6db in e mute 0:off 1:on function select 0 0 1 address 4 d40 d41 d42 d43 d44 d45 d46 d47 input gain/bass 0: input gain 1: bass function select 1 0 1 address 5 d50 d51 d52 d53 d54 d55 d56 d57 middle/treble 0: middle 1: treble function select 0 1 1 (bd3861fs) address 1 d10 d11 d12 d13 d14 d15 d16 d17 output volume output volume 2 function select 0 0 address 2 d20 d21 d22 d23 d24 d25 d26 d27 input volume function select 0 1 0 address 3 d30 d31 d32 d33 d34 d35 d36 d37 input selector 6dbsw 0: 0db 1:+6db in e mute 0:off 1:on function select 0 0 1 address 4 d40 d41 d42 d43 d44 d45 d46 d47 input gain/bass 0: input gain 1: bass function select 1 0 1 address 5 d50 d51 d52 d53 d54 d55 d56 d57 middle/treble 0: middle 1: treble function select 0 1 1 downloaded from: http:///
technical note 7/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs (bd3883fs) ? basic configuration of control data format ? data input direction msb lsb data d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 data select address ? control data formats ? data input direction select address data(1) d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 input gain input selector treble fc 0 0 data(2) d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 front volume a front volume b * 0 1 data(3) d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 bass gain treble gain 1 0 data(4) d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 middle gain time constan t select rec out surroun d rear volume 1 1 * indicates 0 or 1. ? by changing the setting of select address, four different control formats are selectable. (bd3883fs) ? at power-on sequence, initialize all data. example: ? data input direction msb lsb msb lsb msb lsb msb lsb data(1) l data(2) l data(3) l data(4) l l means a latch. ? after power-on, for the second and subsequent times, only the necessary data can be selected for setting. example: when changing the volume: ? data input direction msb lsb data(2) l l means a latch. ? recout, surround and rear volume in data(4) are soft-switched using time constants. (bd3883fs) downloaded from: http:///
technical note 8/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs b l oc k di a g ram, a p p lic ati on c i rcu i t, pi n as sig n m ent (bd3403fv) unit resistance : capacitance : f fig.2 b =hz b =hz i =hz i =hz =hz =hz b -b i uu b bep b bep -b+b bep i -b +b bep b -b+b bep b-b bep e +- +- +- +- + - 10 + 10 + + + 3.3k 0.15 0.15 3.3k 0.15 0.15 4700p 4700p 1 2.2k + + 10 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 47 + + 10 4.7k + 10 4.7k + 10 10 10 3.3k 0.015 0.015 3.3k 0.015 0.015 + 47 downloaded from: http:///
technical note 9/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs (bd3861fs) unit resistance : capacitance : f fig.3 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 31 treble2 f c =10khz middle1 f 0 =1khz middle2 f 0 =1khz out2 vcc/2 vcc/2 16 15 14 13 12 11 10 9 8 7 6 5 4 3 1 2 data latch clook e2 4.7k e1 d2 d1 c2 c1 b2 b1 a2 a1 vcc logic vcc/2 vcc/2 out1 10 10 bass2 f 0 =90hz treble1 f c =10khz 47 10 4.7k 10 10 10 10 10 10 10 10 10 10 10 3.3k 0.15 vcc/2 0db -59db vcc/2 0db -59db bass1 f 0 =90hz 0.15 3.3k 0.15 0.15 3.3k 0.015 0.015 3.3k 0.015 0.015 4700p 4700p 0db -70db mic 100k 12k 24k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k 25k + 10 + 47 vcc/2 vcc/2 vcc/2 vcc/2 downloaded from: http:///
technical note 10/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs (bd3883fs) when using recout: unit resistance: capacitor: f fig.4 0.22 17 18 19 20 21 30 31 32 22 23 24 27 28 25 26 29 16 15 14 12 3 2 1 11 10 9 8 7 6 5 4 13 logic vcc/2 vcc/2 vcc/2 vcc/2 surroun d 0db - 87db - vcc/2 0db - 87db - mi dd le 1 f 0 =1 k h z tr e b l e 1 fc = 8 .1 5 k h z vcc/2 vin sel vin2 sel2 a a2 b b2 c c2 d d2 e e2 filter sc si vcc cap out2 bout2 bnf2 bout1 bnf1 mout2 mnf2 mout1 mnf1 rec2 rec1 vcc 0.33 4.7k 4.7k 5.6k 5.6k 5.6k 0.1 0.1 5.6k 0.1 0.1 4.7 4.7 0.01 0.01 0.01 0.22 0.1 0. 1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 10 bass 2 f 0 =8 0 h z out1 at t 0, -10db 100k 100k 100k 100k 100k 100k 100k 100k 65k 35k 65k 35k 4.7 4.7 trebl e 1 fc = 8 .15 k h z mid d l e 1 f 0 =1 k h z ba ss 1 f 0 = 80h z at t 0, -10db 0.01 0.1 0,6,1 2 ,16 ,20,2 3 ,26, 2 9 db 0 , 6 ,12 , 16,20 ,23,2 6 ,29db gnd downloaded from: http:///
technical note 11/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs (bd3883fs) when using 2ndhpf: unit resistance: capacitor:f fig.5 56k 56k 0.1 17 18 19 20 21 30 31 32 22 23 24 27 28 25 26 29 16 15 14 12 3 2 1 11 10 9 8 7 6 5 4 13 logi c vcc/2 vcc/2 vcc/2 vcc/2 s u rro un d vcc/2 0db - -87db - - m i ddl e 1 f0=1 kh z tr ebl e 1 fc= 8 .15 k hz vcc/2 vin 1 sel 1 vin2 sel a a2 b b2 c c2 d d2 e e2 filt er gnd sc si vcc cap out2 bout bnf2 bout1 bnf1 mout2 mnf2 mout1 mnf1 rec2 rec1 vcc 0.33 4.7k 5.6k 5.6k 5.6k 5.6k 4.7 4.7 10 bass 2 f0=80 h z out1 at t 0, - 10d b 100k 100k 100k 100k 100k 100k 100k 100k 65k 35k 65k 35k tr ebl e 2 fc= 8 .15 k hz m i ddl e2 f0=1khz bass 1 f0= 8 0 h z at t 0, - 10db 0,6,1 2 ,16,20,23 ,2 6 , 29 d 0 , 6,1 2 ,1 6 , 2 0 ,23,26 , 2 9 d b 0db -87db - 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 4.7k 0.1 0.01 0.1 0.1 0.1 0.1 0.01 0.01 0.01 downloaded from: http:///
technical note 12/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs 0 5 10 15 0246810 vcc(v) icc(ma) 0 5 10 15 0246810 vcc(v) icc(ma) -10 -8 -6 -4 -2 0 2 4 6 8 10 10 100 1000 10000 100000 frequency(hz) gain(db) 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 input voltage(vrms) output voltage(vrms) 0.01 0.1 1 10 0.001 0.01 0.1 1 10 output voltage(vrms) thd+n(%) 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 output voltage(vrms) thd+n(%) -15 -10 -5 0 5 10 15 10 100 1000 10000 100000 frequency(hz) gain(db) +14db -14db -14db +14db 2db/step -15 -10 -5 0 5 10 15 10 100 1000 10000 100000 frequency(hz) gain(db) +12db -12db -12db +12db 2db/step -15 -10 -5 0 5 10 15 10 100 1000 10000 100000 frequency(hz) gain(db) +12db -12db -12db +12db 2db/step 0 2 4 6 8 10 12 14 16 10 100 1000 10000 100000 frequency(hz) gain(db) 4.68khz 5.64khz 6.67kh 8.15kh -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 10 100 1000 10000 10000 0 frequency(hz) gain(db) fig.6 circuit current C supply voltage (bd3403fv) fig.7circuit current C supply voltage (bd3883fs) fig.8 voltage gain - frequency fig.9 output voltage - input voltage fig.10 total harmonic distortion ratio - output voltage (bd3403fv, bd3861fs) fig.11total harmonic distortion ratio - output voltage (bd3883fs) fig.12 bass gain - frequency bd3403fv, bd3861fs fig.13 middle gain - frequency (bd3403fv, bd3861fs) fig.14 treble gain - frequency (bd3403fv, bd3861fs) fig.15 variable treble cut-off frequency (bd3883fs) fig.16 2ndhpf - frequency (bd3883fs) r e fer enc e d a ta downloaded from: http:///
technical note 13/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs n o te s fo r use 1) numbers and data in entries are representative desi gn values and are not guaranteed values of the items. 2) although rohm is confident that the example application circuit reflects the best possible recommendations, be sure to verify circuit characteristics for your particular application. modification of constants for other externally connected circui ts may cause variations in both static and transient characteristics for external components as well as this rohm ic. allow for sufficient margins when determining circuit constants. 3) absolute maximum ratings use of the ic in excess of absolute maximum ratings, such as the applied voltage or operating temperature range (topr), may result in ic damage. assumptions should not be made re garding the state of the ic (short mode or open mode) when such damage is suffered. a physical safety measure, such as a fuse, should be implemented when using the ic at times where the absolute maximum ratings may be exceeded. 4) gnd potential ensure a minimum gnd pin potential in all operating conditions . make sure that no pins are at a voltage below the gnd at any time, regardless of whether it is a transient signal or not. 5) thermal design perform thermal design, in which there are adequate margins, by taking into account the permissible dissipation (pd) in actual states of use. 6) short circuit between terminals and erroneous mounting pay attention to the assembly direction of the ics. wrong m ounting direction or shorts between terminals, gnd, or other components on the circuits, can damage the ic. 7) operation in strong electromagnetic field using the ics in a strong electromagnetic field can cause operation malfunction. 8) 2-wire serial control because sc and si terminals are designed for inputting high-fr equency digital signals, wiring and layout patterns should be routed as not to cause interference with the analog-signal-related lines. 9) e input external resistance (bd3883fs) to avoid a sudden noise into e input, external resistance (4.7k ) should be connected as close as possible to the ic terminal. 10) function switching action to absorb shock sounds is taken when switching between the volume, treble, middle and bass functions. 11) power-on reset (bd3883fs) a built-in circuit for performing initialization inside the ic at power-on is provided. specific ally, the initial states are s et as described in the table below. in the case of the setting design, however, to be on the safe side, it is recommended that data shall be sent to all the addresses as initial data at power-on and, until this sending operation is completed, mute shall be applied. to avoid malfunctions, serial data signals must be set to the low state at power-on/off. function initial state input selector mute input gain 0 db recout off volume ? db surround off treble 0 db middle 0 db bass 0 db rear volume 0db 12) step switching noise (bd3883fs) for surround and rear volume, an external capacitor c is atta ched to the cap pin to control the switching step noise. in the application circuit, a constant value, as an example, is shown by the cap pin. the time constant for charge/discharge of the capacitor c (varying between vbe to 5vbe (2.65v)) controls the slow switching operation. the switching time constant t is calculated as the follows: t=2.55 10 5 c vbe has temperature characterist ics and may affect the value of the time constant t. downloaded from: http:///
technical note 14/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs 13) input selector and input gain when changing input selector or input gain, the soft-switchi ng is not applied. therefore, it is recommended to implement the mute function. ? mute setting example fig.17 14) constraints of serial control (bd3883fs) on soft-switching of the recout, surround, and rear volume f unctions, data must not be sent serially to the functions before the switching operation is completed. fig.18 15) function setting while muting volume (bd3883fs) while muting volume, to avoid increasing residual noise, se t bass, middle and treble to 0db, surround to off, and rear volume to -10db. mute serial data 40 60ms serial data input source switching if the function for soft-switch should serially send the data (data(4)) on the same select address, the time interv al between the send operations must be set to 500 -600msec. data(4) t data(4) direction l=on h=off downloaded from: http:///
technical note 15/15 www.rohm.com 2010.10 - rev . a ? 2010 rohm co., ltd. all rights reserved. bd3403fv , bd3861f s,bd3883fs or der in g p a rt n u mb er b d 3 4 0 3 f v - e 2 part no. part no. 3403 3861,3883 package fv: ssop-b40 fs: ssop-a32 packaging and forming specification e2: embossed tape and reel ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tapequantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 2000pcs e2 () direction of feed reel 1pin (unit : mm) ssop-a32 1 17 16 32 0.11 0.3min 0.36 0.1 0.8 13.6 0.2 0.15 0.1 5.4 0.2 7.8 0.3 1.8 0.1 (max 13.95 include burr) 0.1 (unit : mm) ssop-b40 0.08 m 0.1 s 0.22 0.1 0.65 0.15 0.1 0.5 0.2 7.8 0.3 5.4 0.2 1.8 0.1 0.1 1 40 20 21 13.6 0.2 (max 13.95 include burr) ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tapequantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 2000pcs e2 () direction of feed reel 1pin downloaded from: http:///
datasheet d a t a s h e e t notice - ge rev.002 ? 2014 rohm co., ltd. all rights reserved. notice precaution on using rohm products 1. our products are designed and manufac tured for application in ordinary elec tronic equipments (such as av equipment, oa equipment, telecommunication equipment, home electroni c appliances, amusement equipment, etc.). if you intend to use our products in devices requiring ex tremely high reliability (such as medical equipment (note 1) , transport equipment, traffic equipment, aircraft/spacecra ft, nuclear power controllers, fuel c ontrollers, car equipment including car accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or serious damage to property (specific applications), please consult with the rohm sale s representative in advance. unless otherwise agreed in writing by rohm in advance, rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any ro hms products for specific applications. (note1) medical equipment classification of the specific applications japan usa eu china class class class b class class class 2. rohm designs and manufactures its products subject to strict quality control system. however, semiconductor products can fail or malfunction at a certain rate. please be sure to implement, at your own responsibilities, adequate safety measures including but not limited to fail-safe desi gn against the physical injury, damage to any property, which a failure or malfunction of our products may cause. the following are examples of safety measures: [a] installation of protection circuits or other protective devices to improve system safety [b] installation of redundant circuits to reduce the impact of single or multiple circuit failure 3. our products are designed and manufactured for use under standard conditions and not under any special or extraordinary environments or conditio ns, as exemplified below. accordin gly, rohm shall not be in any way responsible or liable for any damages, expenses or losses arising from the use of an y rohms products under any special or extraordinary environments or conditions. if you intend to use our products under any special or extraordinary environments or conditions (as exemplified below), your independent verification and confirmation of product performance, reliability, etc, prior to use, must be necessary: [a] use of our products in any types of liquid, incl uding water, oils, chemicals, and organic solvents [b] use of our products outdoors or in places where the products are exposed to direct sunlight or dust [c] use of our products in places where the products ar e exposed to sea wind or corrosive gases, including cl 2 , h 2 s, nh 3 , so 2 , and no 2 [d] use of our products in places where the products are exposed to static electricity or electromagnetic waves [e] use of our products in proximity to heat-producing components, plastic cords, or other flammable items [f] sealing or coating our products with resin or other coating materials [g] use of our products without cleaning residue of flux (ev en if you use no-clean type fluxes, cleaning residue of flux is recommended); or washing our products by using water or water-soluble cleaning agents for cleaning residue after soldering [h] use of the products in places subject to dew condensation 4. the products are not subjec t to radiation-proof design. 5. please verify and confirm characteristics of the final or mounted products in using the products. 6. in particular, if a transient load (a large amount of load applied in a short per iod of time, such as pulse. is applied, confirmation of performance characteristics after on-boar d mounting is strongly recomm ended. avoid applying power exceeding normal rated power; exceeding the power rating under steady-state loading c ondition may negatively affect product performance and reliability. 7. de-rate power dissipation (pd) depending on ambient temper ature (ta). when used in seal ed area, confirm the actual ambient temperature. 8. confirm that operation temperat ure is within the specified range described in the product specification. 9. rohm shall not be in any way responsible or liable for fa ilure induced under deviant condi tion from what is defined in this document. precaution for mounting / circuit board design 1. when a highly active halogenous (chlori ne, bromine, etc.) flux is used, the resi due of flux may negatively affect product performance and reliability. 2. in principle, the reflow soldering method must be used; if flow soldering met hod is preferred, please consult with the rohm representative in advance. for details, please refer to rohm mounting specification downloaded from: http:///
datasheet d a t a s h e e t notice - ge rev.002 ? 2014 rohm co., ltd. all rights reserved. precautions regarding application examples and external circuits 1. if change is made to the constant of an external circuit, pl ease allow a sufficient margin considering variations of the characteristics of the products and external components, including transient characteri stics, as well as static characteristics. 2. you agree that application notes, re ference designs, and associated data and in formation contained in this document are presented only as guidance for products use. theref ore, in case you use such information, you are solely responsible for it and you must exercise your own independent verification and judgment in the use of such information contained in this document. rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of such information. precaution for electrostatic this product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. please take proper caution in your manufacturing process and storage so that voltage exceeding t he products maximum rating will not be applied to products. please take special care under dry condit ion (e.g. grounding of human body / equipment / solder iron, isolation from charged objects, se tting of ionizer, friction prevention and temperature / humidity control). precaution for storage / transportation 1. product performance and soldered connections may deteriora te if the products are stor ed in the places where: [a] the products are exposed to sea winds or corros ive gases, including cl2, h2s, nh3, so2, and no2 [b] the temperature or humidity exceeds those recommended by rohm [c] the products are exposed to di rect sunshine or condensation [d] the products are exposed to high electrostatic 2. even under rohm recommended storage c ondition, solderability of products out of recommended storage time period may be degraded. it is strongly recommended to confirm sol derability before using products of which storage time is exceeding the recommended storage time period. 3. store / transport cartons in the co rrect direction, which is indicated on a carton with a symbol. otherwise bent leads may occur due to excessive stress applied when dropping of a carton. 4. use products within the specified time after opening a humidity barrier bag. baking is required before using products of which storage time is exceeding the recommended storage time period. precaution for product label qr code printed on rohm products label is for rohms internal use only. precaution for disposition when disposing products please dispose them proper ly using an authorized industry waste company. precaution for foreign exchange and foreign trade act since our products might fall under cont rolled goods prescribed by the applicable foreign exchange and foreign trade act, please consult with rohm representative in case of export. precaution regarding intellectual property rights 1. all information and data including but not limited to application example contained in this document is for reference only. rohm does not warrant that foregoi ng information or data will not infringe any intellectual property rights or any other rights of any third party regarding such information or data. rohm shall not be in any way responsible or liable for infringement of any intellectual property rights or ot her damages arising from use of such information or data.: 2. no license, expressly or implied, is granted hereby under any intellectual property rights or other rights of rohm or any third parties with respect to the information contained in this document. other precaution 1. this document may not be reprinted or reproduced, in whol e or in part, without prior written consent of rohm. 2. the products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written consent of rohm. 3. in no event shall you use in any wa y whatsoever the products and the related technical information contained in the products or this document for any military purposes, incl uding but not limited to, the development of mass-destruction weapons. 4. the proper names of companies or products described in this document are trademarks or registered trademarks of rohm, its affiliated companies or third parties. downloaded from: http:///
datasheet datasheet notice C we rev.001 ? 2014 rohm co., ltd. all rights reserved. general precaution 1. before you use our pro ducts, you are requested to care fully read this document and fully understand its contents. rohm shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny rohms products against warning, caution or note contained in this document. 2. all information contained in this docume nt is current as of the issuing date and subj ec t to change without any prior notice. before purchasing or using rohms products, please confirm the la test information with a rohm sale s representative. 3. the information contained in this doc ument is provi ded on an as is basis and rohm does not warrant that all information contained in this document is accurate an d/or error-free. rohm shall not be in an y way responsible or liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or concerning such information. downloaded from: http:///

▲Up To Search▲

Price & Availability of BD3883FS-E2

	To Download BD3883FS-E2 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .