LM4765T National Semiconductor, LM4765T Datasheet

LM4765T

Manufacturer Part Number

LM4765T

Description

Audio Power Amplifier IC

Manufacturer

National Semiconductor

Datasheets

1.LM4765T.pdf (15 pages)

2.LM4765T.pdf (15 pages)

3.LM4765T.pdf (15 pages)

Specifications of LM4765T

Amplifier Case Style

TO-220

No. Of Pins

Peak Reflow Compatible (260 C)

Termination Type

Through Hole

Supply Voltage Max

18V

Leaded Process Compatible

Package / Case

15-TO-220

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

LM4765T

Manufacturer:

Quantity:

1 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

LM4765T

Manufacturer:

NS/国半

Quantity:

20 000

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LM4765 Overture

Audio Power Amplifier Series Dual 30W Audio Power

Amplifier with Mute and Standby Modes

General Description

The LM4765 is a stereo audio amplifier capable of delivering

typically 30W per channel of continuous average output

power into an 8

Each amplifier has an independent smooth transition fade-in/

out mute and a power conserving standby mode which can

be controlled by external logic.

The performance of the LM4765, utilizing its Self Peak In-

stantaneous Temperature (˚Ke) (SPiKe

cuitry, places it in a class above discrete and hybrid amplifi-

ers by providing an inherently, dynamically protected Safe

Operating Area (SOA). SPiKe Protection means that these

parts are safeguarded at the output against overvoltage, un-

dervoltage, overloads, including thermal runaway and in-

stantaneous temperature peaks.

Typical Application

Note: Numbers in parentheses represent pinout for amplifier B.

SPiKe

FIGURE 1. Typical Audio Amplifier Application Circuit

™

Optional component dependent upon specific design requirements.

Protection and Overture

load with less than 0.1% (THD + N).

™

are trademarks of National Semiconductor Corporation.

™

DS100927

™

) Protection Cir-

DS100927-1

Key Specifications

Features

n SPiKe Protection

n Minimal amount of external components necessary

n Quiet fade-in/out mute mode

n Standby-mode

n Non-Isolated 15-lead TO-220 package

Applications

n High-end stereo TVs

n Component stereo

n Compact stereo

Connection Diagram

THD+N at 1 kHz at 2 x 25W continuous average

output power into 8 :

THD+N at 1 kHz at continuous average

output power of 2 x 30W into 8 :

Standby current:

See NS Package Number TA15A

Order Number LM4765T

Non-Isolated Package

Plastic Package

Top View

DS100927-2

www.national.com

0.009% (typ)

August 1998

6.5 mA (typ)

0.1% (max)

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