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NJW1328 ver.1 -1- multi input wide band video interface with i 2 c control ! ! ! ! package outline ! ! ! ! features operating voltage single supply 4.5 to 5.5v 7-input 2 channel video switch for cvbs 3-input 1 channel video switch for component video signal ground iso (isolation) amplifier for cvbs 2 channel 75-ohm driver for cvbs 1 channel buffer for cvbs 1 channel 75-ohm driver for component video signal 1 channel buffer for component video signal 1 channel los (loss of signal) detector for each cvbs and component video signal i 2 c bus control lqfp52-h2 ! ! ! ! pin configuration ! ! ! ! general description NJW1328 is a multi input wide band video interface ic with i2c control. also the NJW1328 includes 7-input 2 channel video switch for cvbs, isolation amplifier for cvbs, 3-input 1 channel video switch for component video signal, 2 channel 75-ohm driver for cvbs and 1 channel 75-ohm driver for component video signal. NJW1328 is suitable for video e q ui p ment that has multi in p ut and multi out p ut. NJW1328fh2 NJW1328fh2 prin1 yin 3 yin 2 vin3 vin2 vin1 vlos_out yin 1 vin7 vin4 12345678910111213 14 15 16 17 18 19 20 21 22 23 24 25 26 vlos vout1 v + gnd vout 3 pbout1 pbout2 prout1 prout2 yout1 v + isog isoin yin _ l os v + v + scl sd a mut e gnd nc nc v + ylos 37 38 39 27 28 29 30 31 32 33 34 35 36 ylos_out yout_los 40 41 42 43 44 45 46 47 48 49 50 51 52 yout 2 gnd vin5 prin3 prin2 vin6 pbin3 pbin2 pbin1 gnd vout_lo s gnd isoout vout 2 nc vin_lo s
NJW1328 -2- ! ! ! ! block diagram vin_los yin_los pbin1 pbin2 pbin3 prin1 prin2 prin3 pbout2 pbout1 prout2 prout1 vin5 vin6 v + vin1 vin2 vin3 vin4 vout3 gnd isoin vout2 vout1 yin1 yin2 yout2 yout1 scl sda i2c bus 6db/4db 6db/4db vout_los yout_los 6db 6db 6db 6db 6db 6db yin3 6db/4db bias isog iso v + gnd mute v + gnd vlos_out ylos_out v los detect y los detect v los ylos v + gnd vin7 isoou t 75 ? 1k ? v + gnd 75 ? 1k ? 75 ? 1k ? 75 ? 1k ? 75 ?
NJW1328 -3- ! ! ! ! absolute maximum ratings (ta=25oc) parameter symbol ratings unit supply voltage v + 7.0 v power dissipation p 1900 note) mw operating temperature range topr -20 to +75 oc storage temperature range tstr -40 to +150 oc (note) at on a board of eia/jdac specification. ( 114.3 x 76.2 x 1.6mm two layers,fr-4) ! ! ! ! recommend operating voltage (ta=25oc) parameter symbol test condition min. typ. max. unit operating voltage vopr v + - gnd 4.5 5.0 5.5 v ! ! ! ! electrical characteristics power supply characteristics (test condition: ta=25oc, v + = 5.0v all controls unless otherwise specified) dc characteristics parameter symbol test condition min. typ. max. unit operating current i cc v + , no signal - 65 100 ma operating current at power save mode isave v + , power save mode - 1.0 3.0 ma ac characteristics parameter symbol test condition min. typ. max. unit maximum output voltage v om input sine signal voltage (100khz), thd=1% 2.4 - - vp-p voltage gain 1 gv1 input sine signal (100khz, 1.0vp-p),4db mode 3.5 4.0 4.5 db voltage gain 2 gv2 input sine signal (100khz, 1.0vp-p),6db mode 5.5 6.0 6.5 db voltage gain 3 gv3 input sine signal (100khz, 1.0vp-p) for iso output terminal -0.5 0.0 0.5 db frequency characteristic 1 gf1 input sine signal (12mhz/100khz, 1.0vp-p) 6db mode for v input terminal -3.0 0.0 - db frequency characteristic 2 gf2 input sine signal (6mhz/100khz, 1.0vp-p) 6db mode for iso input terminal -3.0 0.0 - db frequency characteristic 3 gf3 input sine signal (100mhz/100khz, 1.0vp-p) 6db mode for y/pb/pr input terminal - -3.0 - db frequency characteristic 4 gf4 input sine signal (150mhz/100khz, 100mvp-p) 6db mode for y/pb/pr input terminal - -3.0 - db cross talk between input terminals ct input sine signal (3.58mhz, 1.0vp-p) - -60 -50 db differential gain dg input video signal (1.0vp-p, 10step) - 0.5 - % differential phase dp input video signal (1.0vp-p, 10step) - 0.5 - deg signal detective voltage vdet input square pulse (16khz, 4.7s) - 200 - mvp-p common mode rejection ratio cmrr input sine signal (20khz, 1.0vp-p) - -55 - db output/output voltage difference on mute mode dvdo on mute mode -0.4 - 0.4 v s/n ratio snv input white video signal (1.0vp-p, 100%) for v/y/pb/pr input terminal - 75 - db
NJW1328 -4- ac characteristics parameter symbol test condition min. typ. max. unit switch change over voltage (h level) vthh 2.0 - v + v switch change over voltage (l level) vthl 0 - 1.0 v maximum inflow current on switch on ithh v=5.0v - - 120 ua maximum inflow current on switch off ithl v=0.3v - - 8 ua ! ! ! ! mute control NJW1328 performs mute for all output voltages simultaneously with mute terminal. mute terminal voltage operation vthh mute off ! ! ! ! signal detection NJW1328 detects a signal that is larger than signal detective voltage (sdv). input signal voltage los_out condition vdet > v in h signal is smaller than sdv vdet < v in l signal is larger than sdv note) if you input a signal except for video signal with sync, there is the case that output of los_out terminal is not stable.
NJW1328 -5- sda scl t f t hd:st a t low t r t hd:dat t high t f t su:dat s t su:sta t hd:st a t sp t su:sto sr t r t buf p s ! ! ! ! timing on the i 2 c bus (sda, scl) ! ! ! ! characteristics of i/o stages for i 2 c bus (sda, scl) i 2 c bus load conditions standard mode : pull up resistance 4k ? (connected to v + ), load capacitance 200pf (connected to gnd) high-speed mode : pull up resistance 4k ? (connected to v + ), load capacitance 50pf (connected to gnd) standard mode high-speed mode unit parameter symbol min. typ. max. min. typ. max. low level input voltage v il 0.0 - 0.3v + 0.0 - 0.3v + v high level input voltage v ih 0.7v + - 5.5 0.7v + - 5.5 v low level output voltage (3ma at sda pin) v ol 0 - 0 - 0.4 v input current each i/o pin with an input voltage between 0.1vcc and 0.9vcc i i -10 - 10 -10 - 10 a
NJW1328 -6- ! ! ! ! characteristics of bus lines (sda, scl) for i 2 c bus devices standard mode high-speed mode parameter symbol min. typ. max. min. typ. max. unit scl clock frequency f scl - - 100 - - 400 khz hold time t hd:sta 4.0 - - 0.6 - - s low period of the scl clock t low 4.7 - - 1.3 - - s high period of the scl clock t high 4.0 - - 0.6 - - s set-up time for a repeated start condition t su:sta 4.7 - - 0.6 - - s data hold time note) t hd:dat 0 - - 0 - - s data set-up time t su:dat 250 - - 100 - - ns rise time of both sda and scl signals t r - - 1000 - - 300 ns fall time of both sda and scl signals t f - - 300 - - 300 ns set-up time for stop condition t su:sto 4.0 - - 0.6 - - s bus free time between a stop and start condition t buf 4.7 - - 1.3 - - s capacitive load for each bus line c b - - 400 - - 400 pf noise margin at the low level v nl 0.5 - - 0.5 - - v noise margin at the high level v nh 1 - - 1 - - v c b ; total capacitance of one bus line in pf note) data hold time: t hd:dat please hold the data hold time ( t hd:dat ) to 300ns or more to avoid status of unstable at scl falling edge.
NJW1328 -7- ! ! ! ! defintion of i 2 c register you can send and transmit address by i 2 c register with sda input and scl input. ? i 2 c bus format msb lsb msb lsb msb lsb s slave address a select address a data a p 1bit 8bit 1bit 8bit 1bit 8bit 1bit 1bit s: starting term a: acknowledge bit p: ending term ? slave address slave address hex msb lsb - 1 0 0 1 0 1 1 0 96(h) NJW1328 is not suitable for read mode. ? ? ? ? control register table the auto increment function cycles the select address as follows. 00h 01h 00h bit no. d7 d6 d5 d4 d3 d2 d1 d0 00h vout1,2 select vout3 select vout1,2 gain vout3 gain 01h vout1 mute vout2 mute vout3 mute yout/pbout/ prout select yout1/ pbout1/ prout1 mute yout2/ pbout2/ prout2 mute power save ! ! ! ! control register initial value bit no. d7 d6 d5 d4 d3 d2 d1 d0 00h 0 0 0 0 0 0 0 0 01h 0 0 0 0 0 0 0 0
NJW1328 -8- ! ! ! ! instruction code a) bit no. d7 d6 d5 d4 d3 d2 d1 d0 00h vout1,2 select vout3 select vout1,2 gain vout3 gain ? vout1,2 signal select table vout1,2 select d7 d6 d5 vout1,2 0 0 0 vin1* 0 0 1 vin2 0 1 0 vin3 0 1 1 vin4 1 0 0 vin5 1 0 1 vin6 1 1 0 vin7 * default value ? vout3 signal select table vout3 select d4 d3 d2 vout3 0 0 0 vin1* 0 0 1 vin2 0 1 0 vin3 0 1 1 vin4 1 0 0 vin5 1 0 1 vin6 1 1 0 vin7 * default value ? vout1,2 gain select table vout gain d1 gain 0 4db* 1 6db * default value ? vout3 gain select table vout gain d0 gain 0 4db* 1 6db * default value
NJW1328 -9- ! ! ! ! instruction code b) bit no. d7 d6 d5 d4 d3 d2 d1 d0 01h vout1 mute vout2 mute vout3 mute yout/pbout/ prout select yout1/ pbout1/ prout1 mute yout2/ pbout2/ prout2 mute power save ? vout1 signal mute/through select table vout1 mute d7 vout1 0 mute* 1 through * default value ? vout2 signal mute/through select table vout2 mute d6 vout2 0 mute* 1 through * default value ? vout3 signal mute/through select table vout3 mute d5 vout3 0 mute* 1 through * default value ? yout/pbout/prout signal select table yout/pbout/ prout select d4 d3 yout pbout prout 0 0 yin1* pbin1* prin1* 0 1 yin2 pbin2 prin2 1 0 yin3 pbin3 prin3 * default value
NJW1328 -10- ? yout1/pbout1/prout1 signal mute/through select table yout1/pbout1/ prout1 mute d2 yout1/pbout1/ prout1 0 mute* 1 through * default value ? yout2/pbout2/prout2 signal mute/through select table yout2/pbout2/ prout2 mute d1 yout2/pbout2/ prout2 0 mute* 1 through * default value ? power save select table power save d0 power save 0 power save mode* 1 normal mode * default value
NJW1328 -11- ! ! ! ! terminal description no . symbol function equivalent circuit volatge 1 25 vin_los yin_los v input for los y input for los 3.1v 2 24 vout_los yout_los v output for los y output for los 1.9v 3 5 11 27 39 v + 1 v + 2 v + 3 v + 4 v + 5 supply 5v 4 9 10 34 35 gnd ground 0v 250 ? v + gnd 700 ? v + gnd 25 ? 25 ? 400 ?
NJW1328 -12- no . symbol function equivalent circuit volatge 6 scl i 2 c clock input - 7 sda i 2 c data input - 8 mute mute - gnd 50k ? 50k ? 80k ? v + 4k ? v + gnd 4k ? 4k ? v + gnd 4k ?
NJW1328 -13- no . symbol function equivalent circuit volatge 50 49 48 47 46 45 41 14 15 16 vin1 vin2 vin3 vin4 vin5 vin6 vin7 yin1 yin2 yin3 v input y input 1.9v 17 18 19 20 21 22 pbin1 pbin2 pbin3 prin1 prin2 prin3 pb input pr input 2.5v 52 23 vlos ylos v los detect filter y los detect filter - v + gnd 250 ? 250 ? 1k ? 1k ? v + gnd 100 ? inv inv v + gnd 100 ? inv inv 50k ?
NJW1328 -14- no . symbol function equivalent circuit volatge 51 26 vlos_out ylos_out vlos output ylos output - 30 28 pbout2 prout2 pb output pr output for 75 ? drive 2.5v 33 31 29 yout1 pbout1 prout1 y output pb output pr output with load resistance 1k ? 1.3v 2.5v 2.5v v + gnd 4k ? 8k ? 1k ? v + gnd 850 ? 800 ? 8 ? 8 ? v + gnd 850 ? 800 ? 8 ? 8 ?
NJW1328 -15- no . symbol function equivalent circuit volatge 32 yout2 y output for 75 ? drive 1.3v 37 36 vout2 vout3 v output for 75 ? drive 1.3v 38 vout1 v output with load resistance 1k ? 1.3v no . symbol function equivalent circuit volatge v + gnd 850 ? 800 ? v + gnd 4.8k ? 4.8k ? v + gnd 25 ? 25 ? 4.8k ? 4.8k ?
NJW1328 -16- 40 isoout isolation output 2.9v 43 42 isoin isog isolation input isolation ground input 2.9v v + gnd 25 ? 25 ? 10k ? 10k ? 250 ? v + gnd 50k ?
NJW1328 -17- ! ! ! ! test circuit 1uf 50 ? 75 ? 1uf + 1uf + 50 ? 75 ? 50 ? 75 ? 1uf + 1uf + 50 ? 75 ? 50 ? 75 ? 1uf + 1uf + 50 ? 75 ? + 100u f 500 ? 500 ? + 470u f 75 ? 75 ? + 470u f 75 ? 75 ? + 100u f 500 ? 500 ? + 470u f 75 ? 75 ? + 100u f 500 ? 500 ? + 470u f 75 ? 75 ? + 100u f 500 ? 500 ? + 470u f 75 ? 75 ? 40 41 42 43 44 45 46 47 48 49 50 51 52 123 4567 8910111213 14 15 16 17 18 19 20 21 22 23 24 25 26 39 27 28 29 30 31 32 33 34 35 36 37 38 50 ? 75 ? 1uf + 1uf + v + v + 1 v + 2 scl sda mut e gnd n c n c v + 3 vout_los gnd yin3 yin2 yin1 yin_los ylos ylos_out yout_los pb in3 pb in2 pb in1 vin3 vin2 vin1 vlos_out vin7 vin4 vlos isog isoin vin5 vin6 isoout gnd prin3 prin2 prin1 + 47u f 0.1u f + 47u f 0.1u f vout1 v + 5 gnd vout3 pbout1 pbout 2 prout 1 prout2 yout1 v + 4 yout 2 gnd vout2 + 50 ? 75 ? 1uf + 50 ? 75 ? 1uf + 50 ? 75 ? 1uf + 50 ? 75 ? 1uf + 50 ? 75 ? 1uf + 50 ? 75 ? 1uf + 50 ? 75 ? 1uf + 50 ? 75 ? 1uf + 50 ? 75 ? 1uf 47u f 0.1u f + 47u f 0.1u f + 47u f 0.1u f + 50 ? 75 ? + + 0.1uf 0.1uf 50k ? 10k ? 5.0v 10k ? 5.0v 50k ? 0.1uf vin_los nc + 0.1uf
NJW1328 -18- ! ! ! ! application circuit + 100u f 500 ? 500 ? + 100u f 500 ? 500 ? + 100u f 500 ? 500 ? + 100u f 500 ? 500 ? + 0.1uf + 470u f 75 ? 75 ? + 470u f 75 ? 75 ? + 470u f 75 ? 75 ? + 470u f 75 ? 75 ? + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf + 75 ? 1uf 1uf + 75 ? + 470u f 75 ? 75 ? 40 41 42 43 44 45 46 47 48 49 50 51 52 1 23 4 5 6 7 8 910111213 14 15 16 17 18 19 20 21 22 23 24 25 26 39 27 28 29 30 31 32 33 34 35 36 37 38 v + yin3 yin2 yin1 yin_los ylos ylos_out pbin3 pbin2 pbin1 vin3 vin2 vin1 vlos_out vin7 vin4 vlos isog isoin vin5 vin6 isoout prin3 prin2 prin1 + 47u f 0.1u f + 47u f 0.1u f 47u f 0.1u f + 47u f 0.1u f + 47u f 0.1u f + + + 0.1uf 0.1uf 50k ? 10k ? 5.0v 10k ? 5.0v 50k ? 0.1uf vout1 v + 5 gnd vout3 pbout1 pbout 2 prout 1 prout2 yout1 v + 4 yout 2 gnd vout2 vin_los v + 1 v + 2 scl sda mut e gnd n c n c v + 3 vout_los gnd gnd yout_los nc
NJW1328 -19- ! ! ! ! external dimensions unit : mm lqfp52-h2 [caution] the specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. the application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. 40 52 13 14 26 27 39 1 0.6 0.1 12 0.1 10 0.1 1 0 0. 1 1 2 0. 1 ?y ???? 0.17 typ 0 10 0.076 1 .4 0. 0 5 1 .5 0. 1 0. 1 0. 0 5

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