LA42071 SANYO [Sanyo Semicon Device], LA42071 Datasheet

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LA42071

Manufacturer Part Number
LA42071
Description
Monolithic Linear IC 5W 2-Channel AF Power Amplifier With DC Volume Control
Manufacturer
SANYO [Sanyo Semicon Device]
Datasheet
Ordering number : ENA0078
LA42352
Overview
LA42352 is 5W 2-channel AF power amplifier with DC volume control intended for televisions.
LA42000 series is power IC which made Pin compatible possible altogether in 3 to 15W. They consist of four kinds of power
ICs. (mono, stereo, mono with volume function, stereo with volume function.). They realized PCB layout communalization
of an audio power block of TV.
Feature
• P O 5W×2ch (V CC = 18V, R L = 8Ω, THD = 10%)
• Built-in DC Volume Control.
• Built-in Standby function.
• Built-in overheat protection.
LA42051
LA42052
LA42351
LA42352
LA42071
LA42072
LA42152
Any and all SANYO Semiconductor 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 Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor 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 Semiconductor
products described or contained herein.
15W
PO
5W
5W
5W
5W
7W
7W
Mono
°
°
°
Channel
Monolithic Linear IC
5W 2-Channel AF Power Amplifier
With DC Volume Control
Stereo
°
°
°
°
Volume
°
°
92706 / 83005 MS PC B8-9060 No.A0078-1/9

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LA42071 Summary of contents

Page 1

... LA42051 5W LA42052 5W ° LA42351 5W LA42352 5W ° LA42071 7W LA42072 7W LA42152 15W Feature • 5W×2ch ( 18V 8Ω, THD = 10%) • Built-in DC Volume Control. • Built-in Standby function. • Built-in overheat protection. Any and all SANYO Semiconductor products described or contained herein do not have specifications ...

Page 2

Specitications Maximum Ratings °C Parameter Maximum supply voltage Allowable power dissipation Maximum junction temperature Thermal resistance Operating temperature Storage temperature Operating Conditions °C Parameter Recommended supply voltage Recommended load resistance Allowable operating ...

Page 3

Block Diagram Ri = 20kΩ IN1 2 Volume 1 13 Pre 3 GND Ri = 20kΩ IN2 4 Volume 2 6 Sample Application Circuit Ripple PRE Filter IN1 GND 47µ /25V 1.0µF ...

Page 4

Pin Descriptions Pin Voltage Pin No Symbol 18V 1 RF 17.6 2 IN1 4.4 4 IN2 3 PRE_GND 0 5 STB (Input voltage) 6 Vol Vol 1 (Input voltage) ...

Page 5

Continued from preceding page. Pin Voltage Pin No Symbol 18V 8 OUT2 8.9 12 OUT1 9 NF2 8.8 10 NF1 10 PWR_GND 0 Description of External parts C1 Input capacitors. A value of 1.0µF is ...

Page 6

Features of IC Inside and Usage Note Standby function • Pin 5 is the standby switch pin. The amplifier is turned on by applying approximately 3V or more to this pin through an external resistor (R3). • If voltage in ...

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LA42352 No.A0078-7/9 ...

Page 8

LA42352 No.A0078-8/9 ...

Page 9

Specifications of any and all SANYO Semiconductor 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 ...

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