LC75343 Sanyo Semiconductor Corporation, LC75343 Datasheet

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LC75343

Manufacturer Part Number
LC75343
Description
Electronic Volume Control System on-Chip
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
Ordering number : ENN6867
Overview
The LC75343M is an electronic volume system that can
control the volume, balance, 2-band equalizer, super bass,
and input switching functions by serial data input.
Functions
• Volume: 0 dB to –78 dB (1-dB step) and –∞ (64
• Treble: ±10-dB control in 2-dB steps is possible.
• Bass*: ±10-dB control in 2-dB steps is possible. Peaking
• Super bass*: +10-dB control in 2-dB steps is possible.
• Selector: 5 input signals can be selected both for
• Input gain: 0 dB to +30 dB (2-dB step) amplification is
• General-purpose amp (ATT): 2 on-chip general-purpose
characteristics.
Shelving characteristic.
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
positions)
0 dB to –50 dB (1-dB step), –50 dB to –70 dB
(2-dB step), –70-dB to –78 dB (4-dB step)
Balance function with separate L/R control
L and R
possible for the input signal.
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.
addresses are controlled by SANYO.
Peaking characteristics.
(+/–10 dB control in 2-dB steps is possible
depending on software support and the
application. Peaking characteristics.)
SANYO Electric Co.,Ltd. Semiconductor Company
amplifiers
(0-dB to –18-dB in 2-dB
steps and –∞ 11 positions
attenuate control is
possible, depending on
software support and the
application)
Electronic Volume Control System on-Chip
Features
• On-chip buffer amplifier cuts down number of external
• Low switching noise generated by on-chip switch due to
• On-chip reference voltage circuit for analog ground
• Controls performed with serial data input (CCB)
Package Dimensions
unit: mm
3263-MFP36SDJ (375 mil)
Note*: Regarding (Bass) and (Super bass) above, MID
components
use of silicon gate CMOS process
(0.8)
1
36
and BASS functions can also be realized by
changing the capacitor capacitance.
0.8
15.2
[LC75343M]
0.3
SANYO: MFP36SDJ (375 mil)
18
19
20901RM (OT) No. 6867-1/28
LC75343M
0.25
CMOS IC

Related parts for LC75343

LC75343 Summary of contents

Page 1

... Ordering number : ENN6867 Overview The LC75343M is an electronic volume system that can control the volume, balance, 2-band equalizer, super bass, and input switching functions by serial data input. Functions • Volume –78 dB (1-dB step) and –∞ (64 positions –50 dB (1-dB step), – –70 dB (2-dB step), – ...

Page 2

... Pin Assignment VSS 3 LOPOUT 4 LINM 5 LINP 6 LOUT 7 LSB 8 LBASS2 9 LBASS1 10 LTRE 11 LVRIN 12 LSEL0 LC75343M LC75343M VDD 34 ROPOUT 33 RINM 32 RINP 31 ROUT 30 RSB 29 RBASS2 28 RBASS1 27 RTRE 26 RVRIN 25 RSEL0 Vref No. 6867-2/28 ...

Page 3

... Sample Application Circuit • General-Purpose Op-Amp Specifications) 6 LOUT 7 0.1 F 0 100 Hz LSB LBASS2 9 0.1 F 0 100 Hz LBASS1 11 2700 pF LTRE 12 LVRIN LSEL0 14 LC75343M COM ROUT 31 0 RSB RBASS2 29 0 RBASS1 27 RTRE 26 RVRIN 25 RSEL0 7 100 Hz 7 100 Hz 2700 No. 6867-3/28 ...

Page 4

... ATT Control Specifications 6 LOUT 7 0.1 F 0 100 Hz LSB LBASS2 9 0.1 F 0 100 Hz LBASS1 11 2700 pF LTRE 12 LVRIN LSEL0 14 15 LC75343M COM ROUT 31 0.1 F 0 100 Hz RSB RBASS2 29 0.1 F 0 100 Hz RBASS1 27 2700 pF RTRE 26 RVRIN RSEL0 No. 6867-4/28 ...

Page 5

... Specifications 6 *Bass function specs LOUT 7 0.1 F 0 100 Hz LSB LBASS2 9 0.01 F 0. kHz LBASS1 *MID function specs 11 2700 pF LTRE 12 LVRIN LSEL0 14 15 LC75343M COM *Bass function specs ROUT 31 0.1 F 0 100 Hz RSB RBASS2 29 0.01 F 0.01 F 7.6 k ...

Page 6

... Output load resistance Rl Volume block Parameter Symbol Input resistance Rin Treble band equalizer control block Parameter Symbol Control range Geq Step resolution Estep Internal feedback resistance Rfeed LC75343M = Symbol Pin Name V max CE R5, V max IN LVRIN, RVRIN, LINP, RINP, LINM, RINM Ta ≤ ...

Page 7

... Vomin Maximum attenuated characteristics (ATT, 3-band specs) Curent drain I DD Input high-level current I IH Input low-level current I IL LC75343M Pin Name Conditions max. boost/cut Pin Name Conditions max. boost max. boost/cut Pin Name Conditions LINP, RINP Conditions Vrms KHz, total flat overall ...

Page 8

... Control Timing and Data Format To control the LC75343M, 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 min CL DI Address Code (B0 to A3) The LC75343M has an 8-bit address code and common specifications with a SANYO serial bus CCB IC are possible ...

Page 9

... Input switching control (L1, L2, L3, L4, L5, R1, R2, R3, R4, R5 (R1 (R2 (R3 (R4 (R5 Analog ground connection Test mode Must not be used in normal operation Input gain control LC75343M Operation Operation Operation +10 dB +12 dB +14 dB +16 dB +18 dB +20 dB +22 dB +24 dB +26 dB +28 dB +30 dB No. 6867-9/28 ...

Page 10

... LC75343M D12 D13 Operation – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –37 dB ...

Page 11

... Bass control (Mid control) D20 D21 D22 D23 LC75343M D12 D13 Operation 1 1 – – – – – – – – – – – – –∞ dB Operation + –2 dB –4 dB –6 dB –8 dB –10 dB Operation + –2 dB –4 dB –6 dB –8 dB –10 dB No. 6867-11/28 ...

Page 12

... ATT control specifications D28 D29 D29 D30 3-band specifications (fixed to the values below) (Switch all off) D28 D29 D30 D31 LC75343M Operation + –2 dB –4 dB –6 dB –8 dB –10 dB Operation Operation 0 dB –2 dB –4 dB –6 dB –8 dB –10 dB –12 dB –14 dB –16 dB –18 dB –∞ dB Operation No. 6867-12/28 ...

Page 13

... ATT + equalizer output pins/capacitor connection pins used to configure super bass filter 31 ROUT 12 LVRIN • Volume input pins 26 RVRIN 11 LTRE • Capacitor connection pins for configuring treble band filter 27 RTRE LC75343M Function BASS1 Equivalent circuit VDD VDD SEL0 Ln Rn Vref VDD SB BASS2 VDD ...

Page 14

... ATT op-amp output pins. (Connected to L(R) INM pins. (Connected between pin 5 and pin 4) (Connected between pin 33 and pin 34) LC75343M Function ) as a analog ground 0.5 V voltage SS DD Equivalent circuit ...

Page 15

... Equivalent Circuit • Selector Block/Reference Voltage Generator LVref Equivalent to right channel Unit: (resistance VREF 20 k LC75343M VDD LVref LSEL0 R1 1.234 k R2 0.980 k R3 0.779 k R4 0.618 k R5 0.491 k R6 0.390 k R7 0.310 k R8 0.246 k Total = 0.196 k R10 0.155 k R11 0.123 k R12 ...

Page 16

... SW3, SW4 are off, and only boost side operates (only SW1 is on). • In case of 3-band specifications ( “1” set to D3) During boost, SW1 and SW3 are on, during cut, SW2 and SW4 are on, when 0 dB, 0dBSW and SW2 and SW3 are on. LC75343M SW3 SW2 SW4 LBASS1 Total = 33 ...

Page 17

... R23 = 432 –23 dB R24 = 385 –24 dB R25 = 343 –25 dB R26 = 306 –26 dB R27 = 273 –27 dB Equivalent to right channel Unit: (resistance: ) LC75343M R28 = 243 R53 = 164 –28 dB R29 = 216 –29 dB R30 = 193 R54 = 130 –30 dB R31 = 172 –31 dB R32 = 153 R55 = 104 – ...

Page 18

... ATT Block Equivalent Circuit (during ATT control 10.279 8.169 6.489 5.155 4.095 3.253 2.584 2.052 1.630 k R10 = 6.295 k LC75343M LINP 0 dB –2 dB –4 dB Total = 50.000 k –6 dB –8 dB –10 dB –12 dB –14 dB –16 dB –18 dB – Equivalent to right channel Unit: (resistance ATT op-amp ...

Page 19

... Test Circuit General-Purpose Op-amp Specifications • Total Harmonic Distortion 2.2 0.1 0.1 7.6 k 0.1 0.1 10 7.6 k 2700p S.G THDin LC75343M 2700p Distortion analyzer COM VDD 2.2 7.6 k 7.6 k Equivalent to right channel Units: resistance: , capacitance: F No. 6867-19/28 ...

Page 20

... Output Noise Voltage 2.2 6 0.1 7 0.1 7 0.1 9 0.1 10 7.6 k 2700p Noise meter LC75343M VDD 0.1 31 0.1 30 0.1 29 0.1 28 2700p Units: resistance: , capacitance: F COM 2.2 7.6 k 7.6 k Equivalent to right channel No. 6867-20/28 ...

Page 21

... Crosstalk 2.2 6 0.1 7 0.1 8 7.6 k 0.1 9 0.1 10 7.6 k 2700p Volt meter LC75343M VDD 0.1 31 0.1 30 0.1 29 0.1 28 2700p S.G Units: resistance: , capacitance: F COM 2.2 7.6 k 7.6 k Equivalent to right channel No. 6867-21/28 ...

Page 22

... ATT Control Specifications and 3-Band Specifications • Total Harmonic Distortion 2.2 1 0.1 0.1 7.6 k 0.1 0.1 7.6 k 2700p S.G THDin LC75343M Distortion analyzer COM VDD 2.2 1 0.1 0.1 7.6 k 0.1 0.1 7.6 k 2700p Equivalent to right channel Units: resistance: , capacitance: F No. 6867-22/28 ...

Page 23

... Output Noise Voltage 2 0.1 7 0.1 8 7.6 k 0.1 9 0.1 10 7.6 k 2700p S.G THDin LC75343M VDD 0.1 31 0.1 30 0.1 29 0.1 28 2700p Units: resistance: , capacitance: F Distortion analyzer COM 2.2 7.6 k 7.6 k Equivalent to right channel No. 6867-23/28 ...

Page 24

... Crosstalk 2 0.1 7 0.1 7 0.1 9 0.1 10 7.6 k 2700p Noise meter LC75343M VDD 2 0.1 31 0.1 30 0.1 29 0.1 28 2700p S.G Units: resistance: , capacitance: F COM 7.6 k 7.6 k Equivalent to right channel No. 6867-24/28 ...

Page 25

... Specification Mean frequency 1000 Hz Gain during maximum boost Using 33.097 kΩ, and obtain R2 from dB LOG 1 + 2R3 R2 33097 R3 2 (3.162 – G+10dB/20 –1 We obtain C from mean frequency f0 = 1000 Hz R3R2C1C2 R3R2 2 1000 33097 7600 We obtain Q. R3R2 1 1.04 Q 2R3 R3R2 LC75343M 7 0.01 F No. 6867-25/28 ...

Page 26

... 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. LC75343M ...

Page 27

... Super Bass Band Frequency Characteristics Frequency, f — Hz Treble Band Frequency Characteristics Frequency, f — Hz THD — Frequency Characteristics (2) General-purpose op-amp specifications Frequency, f — Hz LC75343M Bass Band Frequency Characteristics Frequency, f — Hz Middle Band Frequency Characteristics Frequency, f — Hz THD — Frequency Characteristics (1) ATT control specifications and 3-band specifications Frequency, f — ...

Page 28

... This catalog provides information as of February, 2001. Specifications and information herein are subject to change without notice. LC75343M THD — Input Level Characteristics (1) ATT control specifications and 3-band specifications Input level, V — ...

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