1/4 rev. b structure silicone monolithic integrated circuit product name audio sound processor for tv model type bd3886fs features 1. built-in bbe processor clarifying voice sound 2. i 2 c bus control with the control voltage of 3.3v-5.0v 3. use the bi-cmos process absolute maximum ratings (ta=25c) parameter symbol limits unit applied voltage vcc 10.0 v input voltage vin vcc+0.3 gnd-0.3 v power dissipation pd 1190*1 mw operating temperature topr -40 +85 *2 c storage temperature tastg -55 +150 c *1 at ta 25c or higher, this value is decreaced to 9.5mw/c. when rohm standard board is mounted. thermal resistance ? ja = 105 (c/w). rohm standard board: size: 70 70 1.6 (mm 3 ) material: fr4 glass-epoxy substrate (copper foil area: not more than 3%). *2 as long as voltage stays within operating voltag e range, certain circuit operation is guaranteed in the operating temperature range. allowable loss conditions are related to temp erature, to which care must be taken. in addition though the standard value of its electrical characteristics cannot be guaranteed under the conditions other than thos e specified, original functions are maintained. operating voltage range parameter symbol min. typ. max. unit power supply voltage *3 vcc 7.0 9.0 9.5 v basic operation shall be available at ta=25c. *3 as long as temperature components must be set in accordance with the operating voltage and temperature ranges before using this ic. in addition, though the standard value of its electric al characteristics cannot be guaranteed under the conditions other than thos e specified, original functions are maintained. license agreements for patent and trade mark bbe is the trade mark of bbe sound inc. the supply and sales of bd3886fs is limited to the partie s to which the use of patents and trade marks is permitted. for the inquiry for the use right of trade mark and patent, contract bbe inc. directly at the following address. bbe sound area manager (japan), mr. tetsuro sato 1-29-5-502 higashi ayase, adachiku, tokyo telephone: 03-5697-4280, fax: 03-5697-4281
2/4 rev. b function function specifications agc 4 step suppression level variable front volume 0db to ?87db (1db step), - db surround stereo surround bass ? 14db (2db step) treble ? 14db (2db step) bbe process control : 1 10 db contour control : 1 10 db rear volume 0db -20db (2db step), -25db, -30db, -45db, -60db, - db with the independent control electrical characteristics unless specified: ta=25 ? c, vcc=9v, f=1khz, vin=1vrms, rg=600 , rl=10k , front volume 0db, rear volume =0db, bass=0db, trebl e=0db, agc=off, su rround=off;bbe=off. parameter symbol limits unit conditions min. typ. max. current upon no signal iq 8 20 ma vin=0vrms maximum input voltage v im1 2.6 2.8 vrms front volume = -6db thd(vout)=1 bpf=400-30khz maximum output voltage v om1 2.2 2.5 vrms thd=1 bpf=400-30khz voltage gain g v1 -2 0 2 db g v =20log(vout/vin) channel balance cb -1.5 0 1.5 db cb = gv1-gv2 total harmonic distortion thd1 0.008 0.1 vout=500mvrms bpf=400-30khz output noise voltage v no1 6 18 vrms bpf = ihf-a, rg=0 residual noise voltage v mno1 1.5 10 vrms front volume = -87db rear volume = - db bpf = ihf-a, rg=0 cross talk 1ch 2ch ct 12 70 80 db ct = 20log(vin/vout) bpf = ihf-a
3/4 rev. b dimensional outline drawing ssop-a32 (unit : mm) block diagram bd3886fs lot no. 30 29 31 32 24 23 25 26 27 28 18 17 19 20 21 22 15 16 14 13 12 11 10 9 8 7 6 5 4 3 2 1 b2 c2 67k 8k 67k treble ch1 bbe ch1 line2 line1 out2 out1 tnf2 bass ch2 bass ch1 bout2 bnf2 bout1 bnf1 tnf1 hf2 lf2 lf1 hf1 vin2 vin1 sel1 sel2 ls cap1 b1 c1 a gc treble ch2 iic bus logic scl sda vcc cap2 gnd bbe ch2 0 db 0 db treble -14 14db 2db step bass -14 14db 2db step surround (fixed effect amount) rear vol 0 -20db 2db step -25, -30, -45, -60, - db with soft switch 4 suppression level variable front vol 0 -87db ,- db 1db step a 1 11k a 2 11k 89k 89k vcc/2 vcc fil 67k 8k 8k 67k bbe contour: 1, 2, 3, 4, 5, 6, 8, 10db process: 1, 2, 3, 4, 5, 6, 8, 10db 8k 50k 50k
4/4 rev. b cautions on use (1) numbers and data in entries are representative des ign values and are not guarante ed values of the items. (2) although we are confident in recommending the sa mple application circuits, carefully check their characteristics further when using them. when modi fying externally attached component constants before use, determine them so that they have sufficient margins by taking into account variations in externally attached components and the rohm lsi, not only for stat ic characteristics but also including transient characteristics. (3) absolute maximum ratings if applied voltage, operating temperat ure range, or other absolute maximu m ratings are exceeded, the lsi may be damaged. do not apply voltages or temperat ures that exceed the absolute maximum ratings. if you think of a case in which absolute maximum ratings are exceeded, enforce fuses or other physical safety measures and investigate how not to apply the co nditions under which absolute maximum ratings are exceeded to the lsi. (4) gnd potential make the gnd pin voltage such that it is the lowest voltage even when op erating below it. actually confirm that the voltage of each pin does not become a lower voltage than the gnd pin, including transient phenomena. (5) thermal design perform thermal design in which ther e are adequate margins by taking into account the allowable power dissipation in actual states of use. (6) shorts between pins and misinstallation when mounting the lsi on a board, pa y adequate attention to orientati on and placement discrepancies of the lsi. if it is misinstalled and the power is turned on, the lsi may be damaged. it also may be damaged if it is shorted by a foreign substance coming between pins of the lsi or between a pin and a power supply or a pin and a gnd. (7) operation in strong magnetic fields adequately evaluate use in a strong magnetic fiel d, since there is a possibility of malfunction.
r1120 a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specified herein is subject to change for improvement without notice. the content specified herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specifications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specified in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specified herein is intended only to show the typical functions of and examples of application circuits for the produc ts. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specified in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any product, such as derating, redundancy, fire control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specified herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.
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