TDA7451 Datasheet

IC型號(hào)：
TDA7451
PDF描述：
4x7W OR 2x22W CAR RADIO POWER AMPLIFIER PLUS TRIPLE POWER SU...
文件大?。?/label>
81.67KB
PDF頁數(shù)：
9頁
芯片廠家：
STMICROELECTRONICS

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TDA7451

4x7W OR 2x22W CAR RADIO POWER AMPLIFIER PLUS

TRIPLE POWER SUPPLY

PRELIMINARY DATA

HIGH OUTPUT POWER CAPABILITY:

4 x 9.5W OR 2 x 32W/4鈩?MAX

4 x 8.5W OR 2 x 28W/4

鈩?/div>

EIAJ

4 x 7W OR 2 x 22W/4

鈩?/div>

@14.4V, 1KHz; 10%

MINIMIZED EXTERNAL COUNT

- NO NEED OF DECOUPLING CAPACITORS

- NO NEED OF BOOTSTRAP CAPACITOR

- NO NEED OF EXTERNAL COMPENSATION

- INTERNALLY FIXED GAIN (20dB)

POP-FREE AUDIO SECTION

ST-BY FUNCTION (C-MOS)

MUTE FUNCTION (C-MOS)

CLIP DETECTOR, THERMAL WARNING,

SHORT CIRCUIT DETECTION

BUILT-IN VOLTAGE REGULATORS:

- 5V @ 150mA WITH RESET

- 5V @ 500mA WITH ST-BY

- 8.5V @ 200mA WITH ST-BY

REGULATORS DIAGNOSTIC FEATURE: UN-

DERVOLTAGE, 8.5V DROP SENSE, SHORT

CIRCUIT, LOAD DUMP, OVER-TEMPERA-

BLOCK DIAGRAM

Flexiwatt25

ORDERING NUMBER:

TDA7451

TURE

PROTECTIONS

General:

LOAD DUMP

OVERRATING CHIP TEMPERATURE

Audio Section:

OUT SHORT (TO GND, TO Vs

AND

ACROSS THE LOAD)

Power Supply Section:

SHORT CIRCUIT PROTECTION (OUT TO

GND)

IN RR IN RF

10K鈩?/div>

MUTE

10碌F

10K鈩?/div>

ST-BY

1碌F

8.5V

10碌F

22K

10碌F

22K

SVR

DIAG

18,24

S-GND

PW-GND

150mA

REG.

500mA

REG.

hvcc

200mA

REG.

HVCC

TAB

DIAG

DDL

0.1碌F

IN LF IN LR

0.1碌F

D95AU311C

0.1碌F

CC1

CC2

0.1碌F

1000碌F

RESET

STCAP

470碌F

47碌F

October 1999

1/9

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

標(biāo)準(zhǔn)包裝
17
類別
集成電路 (IC)
家庭
線性 - 音頻放大器
系列
-
類型
AB 類
輸出類型
2-通道（立體聲）或 4 通道（四路）
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量
32W x 2 @ 4 歐姆; 9.5W x 4 @ 4 歐姆
電源電壓
-
特點(diǎn)
消除爆音，靜音，短路和熱保護(hù)，待機(jī)
安裝類型
通孔
供應(yīng)商設(shè)備封裝
25-Flexiwatt
封裝/外殼
25-Flexiwatt（彎曲和交錯(cuò)引線）
包裝
管件

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