LC75345M | DigiCamel IC Datasheet

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LC75345M SANYO | Alldatasheet

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[Ordering number: ENN6868 | CMOS IC SANYO Electronic Volume Control System on-Chip i Overview Features The LC75345M is an electronic volume system that can * On-chip buffer amplifier cuts down number of external control the volume, balance, 2-band equalizer, super bass, components ; oo. and input switching functions by serial data input. + Low switching noise generated by on-chip switch due to use of silicon gate CMOS process Functions * On-chip reference voltage circuit for analog ground * Volume: 0 dB to -78 dB (1-dB step) and -20 (64 * Controls performed with serial data input (CCB) positions) . . 0 dB to -50 dB (1-4B step), -50 dB to -70 dB Package Dimensions (2-dB step), -70-dB to -78 dB (4-dB step) unit: mm Balance function with separate L/R control 3263-MFP36SDuJ (375 mil) * Treble: +10-dB control in 2-dB steps is possible. C Shelving characteristic. 152 [LC75345M] * Bass: +10-dB control in 2-dB steps is possible. Peaking lg 10 characteristics. ALARA ERR ERA AERA DRE * Super bass: +10-dB control in 2-dB steps is possible. | | Peaking characteristics. | 28 * Selector: 5 input signals can be selected both for L and | " R EEEEEEELEEEELEL LS | * Input gain: 0 dB to +30 dB (2-dB step) amplification is 1 | og oo 025 possible for the input signal. (08) * General-purpose amp (ATT): 2 on-chip general-purpose i amplifiers 3g ce | Th nnTninnnhhh al SANYO: MFP36SDJ (375 mil) * CCB is a trademark of SANYO ELECTRIC CO., LTD. * CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO. @ Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. @ SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Company 20901RM (OT) No. 6868-1/22

ofa oO 36) CL ce [2 35) VDD vss [34] ROPOUT LopouT [4 33) RINM LINM [5 [32] RINP LINP [6| ROUT LouT [7 [30] RSB LsB [8| [29] RBASS2 LBASS2 [9 | 28] RBASS1 LBASS1 [10] LC75345M l27] RTRE LTRE RVRIN LVRIN [12| RSELO LSELo [13] 24) R5 Ls [14] 23) Ra L4 22] RB L3 l21] R2 Le 20] R1 L1 [18} Vref

Sample Application Circuit Ba s. a a _ a4 | COM | | | 5 — 5 3 | 3 a2 = | Soa | 2 2 § g ul -| 2 8] S$ 2 2 Js a a > oO a oO; > a c c t [> | < x 5 ml by Rour| Owe ei a8 Ay |] Ot uF 76 KO | IHF Qs THF) 7.6 Ka f0 = 100 Hz = {30} f0 = 100 Hz LsB | RSB tense y Le Pe ia * ie FE AY 0.4 nF 7.6 kQ Li nF * ~~ OA WE 7.6 ko f0 = 100 Hz [10} se elise (28) 10 = 100 Hz LBASS1 Bs esr\\2s RBASSI g eS 188 _)s8 a) a Bs SEP 8s y | GAN + | 3 AS £ g , [14] - ° [2700 pF LTRESY 1 TRE 2700 pF! ee o | AH y R . want - u __. . ee aN 1. 1 uF tyr os isevo!2 / 2Shasci0 Aa} “he annn | 4s 3 3 sl 3 a af gg e | || Sy 2 Biz Sip Sib at ‘es ‘es koh * Ho 2u te re twas fe rw Tera eS bs tos 6 6 34 Note: When a general-purpose amp is not used, leave the LINP (RINP) open and connect the LINM (RINM) with the LOPOUT (ROPOUT). a ____ No. 6868-3/22

——SSSSSSSSSSSSSSSSSSSSSeSeessSSSSssSssssssFFee Specifications Absolute Maximum Ratings at Ta = 25°C, Vsg = 0 V [Pare Tyne [Pana [ Saran CE, OL L1 to L5, Ri to RS, Mi it volt Vv . . aximum input vollage max LVRIN, RVRIN, LINP, Vg ~0.3 10 Vpp +03 v RINP, LINM, RINM * <75°C, Sr Allowable Operating Ranges at Ta = -30 to +75°C, Vss = 0 V Paramet symbol Conditions Unt arameter symbol it [min [ye [max | Supply volage A OL, Dl CE foo Pe Input low-level voltage Vi | CL, DI, CE 0 ss | [08 | v [a52voe75 | es |] i | L1 to L5, Rt to RS, Input amplitude voltage Vin | LVRIN, RVRIN, LINP, Vss Voo | Vp-p RINP, LINM, RINM [Input puise wath tow fs [Seuptime setup [ot 1, a De | a Electrical Characteristics at Ta = 25°C, Vpp = 8 V, Vss =0 V Input block Paramet symbol Pin N condi Unt ‘arameter symbol in Name ‘onditions ee a [Sepresouton | Gee |e Input resist U4, 12, 13, La, LS ke input resistance A1, R2, R3, Ra, RS Oubutoedessianee [wa fistersio PS Volume block arameter y in Name conditions ni [mn [yp [max | [mputresstnce in funn Pe Treble band equalizer control block Parameter symoct | PhnName Conti unit e tions nit | min [ye [max] [Gonwolrange Gog [max toosveut ee [to Tee | | [Stepresouton este [Cd | [intemaltoodbackresistance [Ried [TE | eee No, 6868-4722

Bass band equalizer control block Pearce Ee eee on [ome [ie [re iieraleodbakieesince | Ries | S| a Super bass band equalizer control block Paramet symbol Pin ond Unt rameter symbol in Name conditions (oJ ni [Conroirenge | Gea maxtboost |e [to Pe || Step resolution [ese [OP ae Ts intemal feedbeckresistance | Ateed [Pe Te General Symee ote ee | Total harmonic distortion Vin= 1 Vims, 1 = 1 KHz, total flat overall ee ee | Crosstalk Vin=1Vims,f=1KHz,Ag=1kQ,totalfiatovera | 60 | | |B | Output noise voltage Flat overall, 80 kHz LPF ee | Maximum attenuated output Flat overall, {= 1 kHz f{[ -0/[ | « | Curent drain | top _[ Voo-Ves=+9V ee ee ee Input high-level curent [tm] OL.01, CE: Vw=9V ee ee Input low-level eurent [w [ot. 01. cE: vw = ov [=o [TT eS No. 6868-5/22

Control Timing and Data Format To control the LC75345M, input specified serial data to the CL, DI, and CE pins. The data configuration consists of a total of 40 bits broken down into 8 address bits and 32 data bits. ce a o1 [eo [er {e fes {ao fai faz las] po [oi] 02 [03 [o4 [os [” [os] bee] ba7{o28] oe] Da0[03i] r 1 : Ss a SUUU UU UU LPL howe —— tus tus tps 1s i min | _ r L_ _ ei lLeLiu all PPLE LL DI on ae ae a ee _ 1 us < Toest + Address Code (BO to A3) The LC75345M has an 8-bit address code and common specifications with a SANYO serial bus CCB IC are possible. rosesscote [oo [a [ee [es |e [a [ee] (se) [oo Tos To Too [oo [oe Je FJ eeatex) No. 6868-6/22

Control Code Allocation Input switching control (LI, L2, L3. L4, LS, RI. R2, R3, R4, RS) a OO a Te a [ere ese [or pe f+ fo [anno roo eomnasion | [oo [+ T+ ToT testmode [1 {1 [| + | 0 _| Mustnotbe used in normal operation. Input gain control [os [os [os [or [Operation foo [oo [oo Toe Toe eT a a poo foo foe jo [ee po foo Poe Po [os a eT [oo as po foo foo Pot [teas a a a eX a a a a < EE No, 6868-7/22

[ pe [ oe [oo [oi | ov [01s [Operation a A poi [oe [oo fo |e Te re o fs foe fe [oe Te Tae a a fo [oo [os [io To [oT a A EO po foe [oe [or [oo |e Ta EO a paps foe [os Pe Te fs A poaifoo fos Ps fo To [se A a a ps foe [ie [oo Pa Te Tr a a a A Pe foe fos fo Po os pos foe [os [oo Po er foo fos fo [oe ae ee a OO po foe foe Tor Py oT eras a OT a a a po foo [os [os Pa To ees pos foo Ps [ao a A fo fo [oo [oo foo To ee Jo foe [oe Too fo Psa a a a a po fos [os [oe Pe ee a a a po fos [oe Po foe To es a a pos foo fos Pos To [sas a Poa fs Ps ae ars poe foe [oe [oo Py Pa eas] patie foo Poe Pa we Le fos foo Poe Pos Toe) Continued on next page. eee No. 6868-8/22

a a a C [oo [os foe Poe Tes pos [oo foe [oe [ee foo [oo foe foe Tow po fe foo fos fee | [oo Tos fe ee a [oo [oo Ts ee a D28 to D31 test mode (Fixed to 0) [ove [oa [oa [oar | Gperaton | , [io [oe [oo [oo [oT No, 6868-10/22

Pin No. Pin Name Function H Equivalent circuit 18 ut 17 l2

16 Ls J

S vob t om ¢ VDD “ 6 Input signal ° = * Input signal pins =

20 Ri parsigna'p ink SI & SELO

22 R3 Rn i ;

23 Ra | Vref

24 | RS ie i LSELO Input selector output pins + Iny F output pit .

25 RSELO put setector outpu

| -

10 LBASS1 |

9 LBASS2 °

28 RBASS1 * Capacitor and resistor connection pins for configuring filter, |

29 RBASS2 used for bass and super bass band

8 LSB H

30 ASB |

7 LOUT * ATT + equalizer output pins/Capacitor connection pins

31 ROUT used to configure super bass filter OUT

a VoD

12 LVRIN

+ Volume input pins -O VRIN

26 RVRIN

—pa—+ Sn VoD " LTRE * Capacitor connection pins for configuring treble band filter

27 RTRE i , urna Ww TRE

Continued on next page. No, 6868-11/22

Continued from preceding page. | 4 VoD cH | * Connect a capacitor of a few tens of uF between Vret and | 45 x 19 Vret AVss (Vss) as a analog ground 0.5 x Vpp voltage ° +h l = generator, current ripple countermeasure a a Vret a * Chip enable pin vop 2 cE Data is written to the internal latch and the analog switches are operated when the level changes from high to low. Data transfer is enabled when the level is high. Al y i Serial data pins and clock input pin for control 4 * Serial data pins and clock input pin for control 36 cL , pare" 7 voD

6 LINP Non-inverted input pins of general-purpose op-amp INP

32 RINP ‘When not used, leave open. - Vret VDD Inverted input pins of general-purpose op-amp.

5 LIN wen not used, connect these pins to the L(R) OPOUT Z

$8 RINM (Connected between pin 5 and pin 4) S INM (Connected between pin 33 and pin 34) x voD General-purpose op-amp output pins LOPOUT When not used, connect these pins to the L(R) INM pins, ROPOUT (Connected between pin 5 and pin 4) OPOUT (Connected between pin 33 and pin 34) as oo. LE

Selector Block/Reference Voltage Generator i ee el eee LSELO 13 9 uo- — Sn Eh | sO T T SF 008 eo + 20B we 9 | k k k f 50k=50k=50 50K 60 = | R2=0.980k | poorenig | 40B | [ R3 = 0.779k \\ 6dB¢ to? \\Wref R4z0.618k | 8dB¢——<e E lent t ht ch: A | R5 = 0.491 k quivalent to right channel 1008 ¢ os Unit: (resistance: Q) | 6 = 0.990 k

12 Be —so—4 |

Volume Block LVRIN o a 7 ; ° i 2 | | | Ri = 5434 R28 = 243 || RSS = 164% | To to -1 0B | fa se28.By | | ———> Treble = = 14 lock Re = 4845, 2 a8 | fag = 216 2908! | i 56.08 | Bloc! RB = 4319 gga, | R80= 1992 -20 48 | | st 1002 ' R4 = 3850 aap, | PS1=172 -a1a8| | 58.08 | soe sot S = A= 9481S 508 | R32 = 153 -22 a8 | | R55 = 104% R6 = 3058 = || R93 =137 i) f sp 6.08 | =33 dB | os 00.084 R7 = 2726 | | R34=122 | Ase = 165 bd op 7 oY | eB t RB = 2429 -ecp) | P85=108S oan | 62 dB | | RQ = 2165 28] R86=97= ne gy aor = 1012 = | = RIO = 1980 10 dB. | RO7= 86-3748 64 JB s 1 | 2 = R11 = 1720 1148 R38 = 7 -agae| || RS8=104 R12 = 1533 12 08 R39 = 68 99 48 B Ri3 = 1366 13.08 R40 = 61 -40 4B, ||| 59=165 R14 = 1218 1408 Rat = 54 at a8 | 68.48 R15 = 1085 45 08 R42 = 48 = 42 dB | R60 = 131 | R16 = 967 R43 = 86 | || | RI7 = 862 “17 8 | “rt -ssgp, ||| 6t= 104 | i R18 = 768 48 a8 | R45 = 69 45.08. || R19 = 685 -tgqp| || P4661 16.084 | R62 = 175 = | = | R20 = 610 2008 | || RAT= S887 48 | 74 dB | . | . R21 = 544 01 a8 R48 = 49 48.8 | R63 = 235 R22 = 485= 22 0B R49 = 87 49 a8 | R23 = =| R50 = 77 i sete | 250 dB | R24 = 385 24g | ||) R51= 190 | | 78. dB R25 = Pres 2508 | _52 0B | R64 = 403 R26 = 306 _ ||) R62 = 104 it | - R27 = 273 j | | | 278 | || od B | ze] 2 eal g S28 Bs 8= S= Ss) Equivalent to right channel vt i oT [ Unit: (resistance: Q) eig| 8! g| 8} gi| a Lvref

Total Harmonic Distortion po nCOM | | | | | vo yO Fst | 2 — 3 34 [4] 33, 22 22y el ea! po Ne {6 a a 4 | Lets 30} 76k : a 0.41 | 76k | Ot ure 2 bg Ot 1 ).1 . | | Ot HES] 3 a5} 76k 7.6k | Ot WFG| w far|e?00e | 7 | | 2700p = 5 agp t— 4 ; [1] 26} A 71 | A an: | {i3| age re) stp thot N © Equivalent to right channel | Nt 1 bp} tA 6 to 1 ; | oes “ha fea | | Units: resistance: Q, capacitance: F [ : | — 4 S.G Distortion analyzer | No. 6868-16/22

Output Noise Voltage | ee COM | ' | | | vob | | 3 36} — 34) rt 4 22u —— [6 “ t BG {30}°:! b 76k rex ny bj 7 o. 0.4 ; 7 4S **fe] faa} = | o4 2700p | 7.6k 4 a) a7\\2700r | 2700p = be'# = Bd ape [13] pay Oo 1exs yt tend ba}# 4 5 N 1 A Equivalent to right channel + + ok lap t “4—o N ao} * 4 1 + wro— hE fal ji 4 =a Units: resistance: Q, capacitance: F SL Noise meter | Noise meter — ——— a _ No. 6868-17722

I * Crosstalk ee HCOM i voD O | 1} [36} 14] [33} 22 5 i32| * 22p oA yt 0.1 S) 6 31 ' O1p 50.1 s so“# — |S 27.6% tp 0.1 7.6k (8| io [29] | 7 O1p 0.1 | {9] oS 28) 7.6k | o4 p | 6k “nd 0 ip7i27000 |) a | |. 2700p ip + k id O [26} Zi | N+ 1H _I Equivalent to right channel 7 [ tu + [24] 2 1kx4 + in 3 24, 4 Or WO lag} A—o © oS 5) tH “Yo +4 | o——*fral ee | ns 7 i | {vernon | | Volt meter S.G } Units: resistance: Q, capacitance: F ee No. 6868-18/22

a Calculation of External Equalizer Constant Bass/Super Bass Circuit The equivalent circuit and the formula for calculating the external RC with a mean frequency of 100 Hz are shown below. * Bass/super bass band equivalent circuit block diagram aan [A RQ ct > —c2 =R9 . Vv * Calculation example Specification Mean frequency: f0 = 100 Hz Gain during maximum boost: G = 10 dB Using RI = 0, R2 = 33.097 kQ, and Cl =C2=C, We obtain R2 from G = 10 dB. r Grp = 20 X LOG |1 | 10 4B 10 U7 ors | R2 33097 2(10%24020 1) 2 x (3.162 - 1) We obtain C from mean frequency f0 = 100 Hz. foe — ‘ 2nVR3R2C1C2 2nf0 JR3R2 2m x 100 V33097 x 7600 We obtain Q. R3R2 1 = £1.04 2 2R3 V R3R2 ET No, 6868-1922

—SSSSSSSSSSSSSSSSSsSSSSs Treble Band Circuit The shelving characteristics can be obtained for the treble band. The equivalent circuit and calculation formula during boost are indicated below. ON, ~ >—e—-O RI Re Cc * Calculation example Specification Set frequency: f = 26000 Hz Gain during maximum boost: G419 ag = 10 dB Using R1 = 16.240 kQ and R2 = 35.461 kQ, and inserting the above values in the following formula, we G=20x LOG f, +—™__] JRE +(/@C?) a a v 10979 — ] ) = £2700(pF) 2926000, | 35461.» _ penaq: \\°3.16-1 Usage Cautions * Upon power application, the internal analog switch status is undefined. Use an external countermeasure such as muting until data is set. + When performing initial setting after applying power, send the initial setting data for the left and right channels prior to canceling mute. * To ensure that the high-frequency digital signals sent to the CL, DI, and CE pins do not spill over to the analog signal block, either guard these signal lines with a ground pattern, or perform transmission using shielded wires. No. 6868-20/22

° Volume Control! Step Characteristics ° Bass Band Frequency Characteristics Vpp-8V T Vpp-8V

10 Veo — | 4 aa | aoe Venav

go\\ lke [| LL | Yan oan 2") Vin-OdBV | . A C-0.1 ‘| -80} With fat overall to | | * JN | | | | [Rerske jsumgsegtme ET al feN wear i | ip” ==“ moo ess SS 2 ba ~ if eat tet Zee | i. Vine [ é 7 2-1 i N s Z| | “0 i 00] ZR LEA TTT “20 ~ elt aaa LLU PT TT = 80-70-80 60 0-80-2910 =~ 19 2 3 8 Tog 23 87, 28 5 Tix 28 8 how Step setting — dB ones Frequency, f — Hz mico02s6 Super Bass Band Frequency Characteristics ° Treble Band Frequency Characteristics TTT TT Teer" wea TT ‘Vgg-0V _5|Vss-0V. SLUT TT eae ‘roca’ TTT a yA yoraun 9 TOF Paco “OAC OOF EIT aes Zs S Ze “FAN ea i) So — OTT 2 TREES LET ° LU SSE -30 30 oo CTT TTT CET : PHI UT “LIA ORD Bq 22 BT PS STG 23 5 MooK eS 8 Tyg 28 S723 5 Tao 2S © Foow Frequency, f— Hz 11000257 Frequency, f— Hz 1000259

10 THD — Frequency Characteristics 10 THD — Supply Voltage Characteristics

(pe oh /sg-0V. H FEE yoo a a vss e SOT TT TT TTT site new! a ee a 4 a | | 1 Wien at overall tone E as Coreen Ew | | | con eng 2 24 a a | a a a a SoCo A Si a a FCO EN ae a a on a 2 (ooo eer 2 —— 3 pee TUS SS Pe mnniimenlan on 102 8 8709 23 87x, 28 5 Tix 23 5 MOK ‘ 8 6 7 ° ? 70 Frequency, f — Hz TLc00266 Supply voltage, Vp — V 1000267

10 THD — Input Level Characteristics (1)

‘. TT L_] . 7fiop ro ; eer = | control settings | oa - a a Tt a 2 | NO Py | Ar Se a a yin 32 ~ f int | INA ee i ee a 2 ee" Z| CoN ae = 2} 4 +—+ eet a whtt it PPP 49-85 90-25 0-15-10 -§ 0 5 10 Supply voltage. Vix BV prconn68 a No, 6868-21/22

—_—. SSS @ Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described Products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's Products or equipment. M SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all ‘semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective Circuits and error prevention circuits for safe design, redundant design, and structural design. @ In the event that any or all SANYO products (including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must Not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Electric Co., Ltd. ™@ Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the “Delivery Specification” for the SANYO product that you intend to use. @ Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but No guarantees are made or implied regarding its use or any infringements of intellectual Property rights or other rights of third parties. This catalog provides information as of February, 2001. Specifications and information herein are subject to change without notice. PS No. 6868-22/22

Product Information

LC75345M specifications and overview.

Summary

Electronic Volume Control System on-Chip

Description

Electronic Volume Control System on-Chip

Source title LC75345M Datasheet(PDF) - Sanyo Semicon Device

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