LA4525_08 SANYO [Sanyo Semicon Device], LA4525_08 Datasheet

LA4525_08

Manufacturer Part Number

LA4525_08

Description

For Radio Cassette Recorders Dual AF Power Amplifier

Manufacturer

SANYO [Sanyo Semicon Device]

Datasheet

1.LA4525_08.pdf (8 pages)

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Ordering number : EN4022D

LA4525

Overview

Features

Specifications

Absolute Maximum Ratings at Ta = 25°C

Note : Mounted on a 50×50×1.6mm

Recommended Operating Conditions at Ta = 25°C

Maximum supply voltage

Allowable power dissipation

Operating temperature

Storage temperature

Supply voltage

Load resistance range

Supply voltage range

The LA4525 requires only a small number of external components to drive either two 4Ω speakers or one 8Ω speaker. The

output power is typically 0.65W when driving two 4Ω speakers.

• Two-channel (dual) or single-channel (BTL) operation

• Requires only a few external components

• 0.65W (typ) output power into two 4Ω speakers

• Wide power supply range : 3 to 15V

• 8-pin DIP (No heat sink needed)

"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,

Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to

communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be

intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace

instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety

equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case

of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee

thereof. If you should intend to use our products for applications outside the standard applications of our

customer who is considering such use and/or outside the scope of our intended standard applications, please

consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our

customer shall be solely responsible for the use.

Specifications of any and all SANYO Semiconductor Co.,Ltd. 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

device, the customer should always evaluate and test devices mounted in the customer

equipment.

Parameter

s products or equipment. To verify symptoms and states that cannot be evaluated in an independent

heat dissipating board

Monolithic Linear IC

For Radio Cassette Recorders

Dual AF Power Amplifier

V CC max

V CC op

Symbol

Pd max

Symbol

V CC

Topr

Tstg

R L

Not in excess of package Pd

Rg = 0

Note

Conditions

41608 MS JK/32896HA(II)/D0192TS/4162TS No.4022-1/8

s products or

Ratings

−40 to +150

−25 to +75

3 to 15

1.5

Unit

°C

Ω

Related parts for LA4525_08

LA4525_08 Summary of contents

Page 1

Ordering number : EN4022D LA4525 Overview The LA4525 requires only a small number of external components to drive either two 4Ω speakers or one 8Ω speaker. The output power is typically 0.65W when driving two 4Ω speakers. Features • Two-channel ...

Page 2

Electrical Characteristics 6V 25° 4Ω 1kHz 600Ω, Dual operation unless otherwise noted Parameter Quiescent supply current Output power Voltage gain Total harmonic distortion Output noise voltage Supply ...

Page 3

Block Diagram Dual Operation Example Sample Printed Circuit Pattern LA4525 No. 4022-3/8 ...

Page 4

Pin Description Number Name 1 OUT1 OUT2 4 POWER GND 5 BTL IN 6 IN2 7 IN1 8 PRE GND External Components Comparison Existing External components Sanyo ICs Output capacitors Input capacitors Bootstrap capacitors Feedback capacitors ...

Page 5

THD -- 1 0 100 Frequency CC 700 600 500 400 300 200 ...

Page 6

Rising and falling waveforms BTL Operation Example THD -- 1 0 0.1 Output power LA4525 2.0 ...

Page 7

Response - 100 Frequency Handling Instructions and Precautions Internal Circuits Figure 1. Input pins (6 and 7) and BTL ...

Page 8

The voltage gain is fixed internally to 40dB in dual mode and 46dB in BTL mode. These values cannot be altered by connecting external components. • Phase correction capacitance (600pF/TOTAL) is incorporated in the internal stages. Oscillation damping components ...

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