LA47536 SANYO [Sanyo Semicon Device], LA47536 Datasheet

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LA47536

Manufacturer Part Number
LA47536
Description
Four-Channel 45 W BTL Car Audio Power Amplifier
Manufacturer
SANYO [Sanyo Semicon Device]
Datasheet

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Ordering number : ENN7901
LA47536
Overview
The LA47536 is a 4-channel BTL power amplifier IC developed for use in car audio systems. The output stage features
a pure complimentary structure that uses V-pnp transistors on the high side and npn transistors on the low side to
provide high power and superb audio quality.
The LA47536 includes almost all the functions required for car audio use, including a standby switch, a muting
function, and each protection circuit. It also provides a self-diagnosis function (output offset detection).
Functions and Features
• Voltage gain: 32 dB
• High output power
• Muting function (pin 22)
• Standby switch (pin 4)
• Built-in various protection circuits
• Self-diagnosis function that detects the output offset (pin 25)
• Output offset detection on/off switch (pin 1)
— Pomax(1) = 45 W (typical)
— Pomax(2) = 40 W (typical)
— Po = 28 W (typical)
— Output pin-to-V
— Output pin-to-GND short
— Load short
— Over voltage
— Thermal shut down
(At V
(At V
(At V
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.
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.
CC
CC
CC
= 14.4 V, f = 1 kHz, Vi = 2.5 Vrms, RL = 4 Ω)
= 13.7 V, f = 1 kHz, Vi = 2.5 Vrms, RL = 4 Ω)
= 14.4 V, f = 1 kHz, THD = 10%, RL = 4 Ω)
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
CC
SANYO Electric Co.,Ltd. Semiconductor Company
short
Monolithic Linear IC
Four-Channel 45 W BTL Car Audio
Power Amplifier
SANYO Semiconductors
DATA SHEET
40804TN (OT) No.7901-1/7

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LA47536 Summary of contents

Page 1

... LA47536 Overview The LA47536 is a 4-channel BTL power amplifier IC developed for use in car audio systems. The output stage features a pure complimentary structure that uses V-pnp transistors on the high side and npn transistors on the low side to provide high power and superb audio quality. ...

Page 2

... Voltage gain difference Output power Total harmonic distortion Channel separation Ripple rejection ratio Output noise voltage Muting attenuation Output center point potential Package Dimensions unit : mm 3236 SANYO : HZIP25 LA47536 Symbol Conditions V max1 No signal minute CC V max2 With an input signal applied CC I ...

Page 3

... STBY voltage. 7. Pop Noise Although the LA47536 includes an pop noise prevention circuit, pop noise can be reduced even further by using the muting function as well. • Activate the muting function at the same time as power is applied. Then, after the output DC potential has stabilized, turn off the muting function. • ...

Page 4

... F IN3 + 15 0.22 F OFFSET DET OFF S.W 1 GND OFFSET DET OFF PRE GND 13 IN4 + 14 0. TIME C ON Time Control Package: LA47536 Vcc1 Offset – Detect Circuit Protective circuit – + Aux Stand by circuit Switch Mute Ripple Filter circuit + – Protective circuit – ...

Page 5

... Output power — W THD — =14 10k 100 1k Frequency, f — Hz LA47536 =Open Rg ILA06758 =14. f=1kHz 0.01 ...

Page 6

... Rg — SVRR — R=0dBm f R =100Hz Rg =0 Supply voltage — V LA47536 =14. Rg=10k =0dBm (CH1 ) 100k ILA06766 =14. =14 ...

Page 7

... 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 April, 2004. Specifications and information herein are subject to change without notice. LA47536 ILA06774 ...

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