LC7536M Serially Controlled Electronic Volume Control that Handle

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LC7536M Serially Controlled Electronic Volume Control that Handle

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Ordering number EN6089
LC7536M
Serially Controlled Electronic Volume Control that Handles High Voltages
Overview
LC7536M electronic volume control that implements volume, balance, loudness functions with minimum number external components, controlled electronically with serial data.
Package Dimensions
unit: 3216A-MFP30S
[LC7536M]
Functions
Volume: positions from 1-dB steps) Since left right channels controlled separately, balance function implemented easily. Loudness: output from position step volume control resistor ladder. loudness function implemented connecting external circuit. (select): LC7536M used same bus. Serial data input: LC7536M supports control communication format.
10.5 0.65 0.15
15.3
0.35
0.65
Features
High voltage handling capability:
trademark SANYO ELECTRIC CO., LTD. SANYO's original format addresses controlled SANYO.
SANYO products described contained herein have specifications that handle applications that require extremely high levels reliability, such life-support systems, aircraft's control systems, other applications whose failure reasonably expected result serious physical and/or material damage. Consult with your SANYO representative nearest before using SANYO products described contained herein such applications. SANYO assumes responsibility equipment failures that result from using products values that exceed, even momentarily, rated values (such maximum ratings, operating condition ranges, other parameters) listed products specifications SANYO products described contained herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
41399RM (OT) 6089-1/10
2.15
SANYO: MFP30S
2.5max
LC7536M
Specifications
Absolute Maximum Ratings 25°C,
Parameter Symbol Maximum supply voltage max1 Maximum input voltage max2 max3 Allowable power dissipation Operating temperature Storage temperature Topr Tstg Conditions L5dBIN, R5dBIN, L1dBIN, R1dBIN 75°C Ratings +125 Unit
Allowable Operating Ranges +75°C,
Parameter Symbol Supply voltage High-level input voltage VIH1 VIH2 VIL1 VIL2 tsetup thold fopg L5dBIN, R5dBIN, L1dBIN, R1dBIN Conditions Ratings (VDD VCC) (VDD VCC) Unit Vp-p
Low-level input voltage Input voltage amplitude Input pulse width Setup time Hold time Operating frequency
Electrical Characteristics 25°C,
Parameter Symbol THD1 Total harmonic distortion THD2 Crosstalk Output maximum attenuation Output noise voltage Total resistance Rvol1 Rvol2 IOFF Conditions Vrms, kHz, controls flat overall, Vrms, kHz, controls flat overall, Vrms, kHz, controls flat overall, rms, kHz, volume control controls flat overall, IHF-A, 5-dB step volume block 1-dB step volume block L5dBIN, R5dBIN, LCT1, RCT1, LCT2, RCT2, L5dBOUT, R5dBOUT, L1dBIN, R1dBIN, L1dBOUT, R1dBOUT, LVM, Ratings 0.004 0.02 Unit
Output leakage current High-level input current Low-level input current Current drain
6089-2/10
LC7536M Equivalent Circuit
R1dBOUT R5dBOUT L5dBOUT L1dBOUT R1dBIN L1dBIN
L5dBIN LCT1
R5dBIN RCT1
LCT2
RCT2
CONTROL Control
Level shift LEVEL SHIFT
Latch LATCH
Shift register SHIFT REGISTER
A11989
Sample Application Circuit
LC7536M
0.001
L5dBIN LCT1 LCT2
R5dBIN RCT1 RCT2
0.068
L5dBOUT L1dBIN L1dBOUT R1dBIN R1dBOUT R5dBOUT
POWER
SPEAKER SPEKER
µ-COM
LC7536M
A11990
6089-3/10
LC7536M Internal Resistor Equivalent Circuit
L5dBOUT 20.570 11.567 6.505 3.658 LCT1 15.868 8.923 5.30 5.018 2.822 LCT2 1.587 0.892 0.502 0.282 0.159 0.089 0.050 0.065
L1dBIN 1.407 1.802 1.684 1.558 13.548
L5dBIN
L1dBOUT
right channel identical.
A11991
Test Circuit Total harmonic distortion
right channel identical.
LC7536M
0.068
0.001
Distortion ANALYZER DISTORTION analyzer
THDin
A11992
6089-4/10
LC7536M Output noise voltage
right channel identical.
LC7536M
0.068
0.001
Noise meter Noise METER
A11993
Crosstalk
0.001 0.068
0.068
0.001
Volt meter Volt METER
A11994
R5dBOUT
R1dBOUT
Assignment
R5dBIN RCT1 RCT2
R1dBIN
LC7536M
L5dBIN
LCT1
LCT2
L5dBOUT
L1dBIN
L1dBOUT
LC7536M
(Top view)
A11995
6089-5/10
LC7536M Functions
L5dBIN 5-dB step attenuator inputs These inputs must driven low-impedance circuits. R5dBIN
A11996
Function
Equivalent circuit
LCT1
RCT1
Loudness circuit connections Connect high-band compensation capacitors between 5dBIN pins, connect low-band compensation capacitors between pins.
A11997
LCT2
RCT2
A11998
L5dBOUT
5-dB step attenuator outputs These signals should received loads about
A11999
R5dBOUT
L1dBIN 1-dB step attenuator inputs These inputs must driven low-impedance circuits.
R1dBIN
A12000
L1dBOUT
1-dB step attenuator outputs These signals should received loads about
A12001
R1dBOUT
Common pins volume controls. printed circuit board pattern these pins should designed have impedance possible. Since LVM, RVM, connected internally they connected separate external circuits that meet their individual specifications. Since capacitors between pins power supply when single power supply used become residual resistance components maximum attenuation, care required determining values these capacitors.
5dBIN
A12002
Selects address code data during formatted. When this connected VDD, accepts data when address code when connected VCC, accepts data when address code
A12003
Inputs serial data that controls input signals must have amplitude
Power supply connections. These pins must connected corresponding power supply. Applications must designed that applied before VDD.
A12004
Unused pins. These pins must left open.
6089-6/10
LC7536M Control System Timing Data Format control LC7536M, apply stipulated data signals pins. data consists bits, which bits address bits data.
TDST
Don't care Don't care
Left channel 1-dB step control (Identical right channel)
Address code
Right channel 5-dB step control state
Left channel 5-dB step control (Identical right channel) Loudness control
Right channel 1-dB step control state
A12005
6089-7/10
LC7536M
Volume Control Step Characteristics
Volume attenuation,
LA6462
Level meter
level meter input impedance
LC7536M L/RVM
-100
-120
Step,
Loudness Characteristics
0.001
LA6462
LA6462
Output level,
Level meter
-10dB
LC7536M L/RVM
-20dB
-30dB
100k
Frequency,
Total Harmonic Distortion Frequency Characteristics
Total harmonic distortion,
0.001
0.01 0.001
0.068
L.P.F
With volume control setting With volume control setting
LA6462
LA6462
Distortion meter
LC7536M L/RVM
0.0001
100k
Frequency,
Total Harmonic Distortion Frequency Characteristics
Total harmonic distortion,
0.01
0.001
0.068
L.P.F
LA6462
LA6462
Distortion meter
LC7536M L/RVM
With volume control setting
7100k
0.001
Frequency,
0.068
With volume control setting
6089-8/10
LC7536M
Total Harmonic Distortion Supply Voltage Characteristics
Total harmonic distortion,
0.001
L.P.F
LA6462
LA6462
Distortion meter
0.01
LC7536M L/RVM
f=1k
0.001
Supply voltage,
Total Harmonic Distortion Supply Voltage Characteristics
0.068
Total harmonic distortion,
0.001
L.P.F
LA6462
LA6462
Distortion meter
LC7536M L/RVM
f=20kHz
f=1kHz
0.01
Supply voltage,
Total Harmonic Distortion Input Level Characteristics
Total harmonic distortion,
0.001
0.01
0.068
L.P.F position
LA6462
LA6462
Distortion meter
f=20kHz
f=1kHz
LC7536M L/RVM
0.001
0.0001
Input level,
Total Harmonic Distortion Input Level Characteristics
Total harmonic distortion,
0.001
0.01
0.068
L.P.F position
LA6462
LA6462
Distortion meter
f=1kHz
LC7536M L/RVM
0.001
Input level,
0.068
f=20kHz
6089-9/10
LC7536M Usage Notes states internal analog switches undefined when power first applied. Applications should apply muting analog signal system externally until control data been transferred prevent noise from high-frequency digital signals lines from entering analog signal system, either shielded lines should used these lines, they should covered ground pattern.
Specifications SANYO products described contained herein stipulate performance, characteristics, functions described products independent state, guarantees performance, characteristics, functions described products mounted customer's products equipment. verify symptoms states that cannot evaluated independent device, customer should always evaluate test devices mounted customer's products equipment. SANYO Electric Co., Ltd. strives supply high-quality high-reliability products. However, semiconductor products fail with some probability. possible that these probabilistic failures could give rise accidents events that could endanger human lives, that could give rise smoke fire, that could cause damage other property. When designing equipment, adopt safety measures that these kinds accidents events cannot occur. Such measures include limited protective circuits error prevention circuits safe design, redundant design, structural design. event that SANYO products (including technical data, services) described contained herein controlled under applicable local export control laws regulations, such products must exported without obtaining export license from authorities concerned accordance with above law. part this publication reproduced transmitted form means, electronic mechanical, including photocopying recording, information storage retrieval system, otherwise, without prior written permission SANYO Electric Co., Ltd. information described contained herein subject change without notice product/technology improvement, etc. When designing equipment, refer "Delivery Specification" SANYO product that intend use. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. SANYO believes information herein accurate reliable, guarantees made implied regarding infringements intellectual property rights other rights third parties.
This catalog provides information April, 1999. Specifications information herein subject change without notice. 6089-10/10

LC7536M Serially Controlled Electronic Volume Control that Handle

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