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TDA7391PD Datasheet

  • TDA7391PD

  • 32W BRIDGE CAR RADIO AMPLIFIER

  • 84.49KB

  • 8頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA7391PD
32W BRIDGE CAR RADIO AMPLIFIER
PRODUCT PREVIEW
HIGH POWER CAPABILITY:
40W/3.2鈩?EIAJ
32W/3.2鈩?@ V
S
= 14.4V, f = 1KHz, d = 10%
26W/4鈩?@ V
S
= 14.4V, f = 1KHz, d = 10%
DIFFERENTIAL INPUTS (EITHER SINGLE
ENDED OR DIFFERENTIAL INPUT SIGNAL
ARE ACCEPTED)
MINIMUM EXTERNAL COMPONENT COUNT:
- NO BOOTSTRAP CAPACITORS
- NO BOUCHEROT CELLS
- INTERNALLY FIXED GAIN (30dB)
- NO SVR CAPACITOR
ST.-BY FUNCTION (CMOS COMPATIBLE)
PROGRAMMABLE TURN-ON/OFF DELAY
NO AUDIBLE POP DURING MUTE AND ST-
BY OPERATIONS
PROTECTIONS:
SHORT CIRCUIT (TO GND, TO V
S,
ACROSS
THE LOAD)
VERY INDUCTIVE LOADS
CHIP OVERTEMPERATURE
LOAD DUMP
OPEN GND
ESD
PowerSO20
ORDERING NUMBER:
TDA7391PD
DESCRIPTION
The TDA7391PD is a BRIDGE class AB audio
power amplifier specially intended for car radio
High Power applications.
The high power capability together with the possi-
bility to operate either in DIFFERENTIAL INPUT
MODE or SINGLE ENDED INPUT MODE makes
it suitable for boosters and high end car radio
equipments.
The exclusive fully complementary output stage
and the internal fixed gain configuration drop the
external component count.
The on board clipping detector allows easy imple-
mentation of gain compression systems.
Figure 1:
Test And Application Circuit
+VS
C4 1000碌F
C2 0.22碌F
IN+
C1 0.22碌F
IN-
V
S
SW1
ST-BY
14
15
5
16
C5 100nF
OUT+
2
TDA7391PD
4
12
9
C3
33碌F
19
OUT-
Vref
R1
4.7K鈩?/div>
TO
碌C
17
8 1,10,11,20
R2
56K鈩?/div>
GND
CD
D98AU871
October 1998
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/8

TDA7391PD 產(chǎn)品屬性

  • 31

  • 集成電路 (IC)

  • 線性 - 音頻放大器

  • -

  • AB 類

  • 1-通道（單聲道）

  • 40W x 1 @ 3.2 歐姆

  • 8 V ~ 18 V

  • 消除爆音，差分輸入，靜音，短路和熱保護(hù)，待機(jī)

  • 表面貼裝

  • PowerSO-20

  • 20-SOIC（0.433"，11.00mm 寬）裸露焊盤(pán)

  • 管件

  • 497-3975-5

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