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TDA7382 데이터시트 PDF




ST Microelectronics에서 제조한 전자 부품 TDA7382은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 TDA7382 자료 제공

부품번호 TDA7382 기능
기능 4 x 22W FOUR BRIDGE CHANNELS CAR RADIO AMPLIFIER
제조업체 ST Microelectronics
로고 ST Microelectronics 로고


TDA7382 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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TDA7382 데이터시트, 핀배열, 회로
® TDA7382
4 x 22W FOUR BRIDGE CHANNELS CAR RADIO AMPLIFIER
HIGH OUTPUT POWER CAPABILITY:
4 x 30W max./4EIAJ
4 x 22W/4@ 14.4V, 1KHz, 10%
4 x 18.5W/4@ 13.2V, 1KHz, 10%
CLIPPING DETECTOR (THD = 10%)
LOW DISTORTION
LOW OUTPUT NOISE
ST-BY FUNCTION
MUTE FUNCTION
AUTOMUTE AT MIN. SUPPLY VOLTAGE DE-
TECTION
LOW EXTERNAL COMPONENT COUNT:
– INTERNALLY FIXED GAIN (26dB)
– NO EXTERNAL COMPENSATION
– NO BOOTSTRAP CAPACITORS
PROTECTIONS:
OUTPUT SHORT CIRCUIT TO GND, TO VS,
ACROSS THE LOAD
VERY INDUCTIVE LOADS
OVERRATING CHIP TEMPERATURE WITH
SOFT THERMAL LIMITER
LOAD DUMP VOLTAGE
FORTUITOUS OPEN GND
BLOCK AND APPLICATION DIAGRAM
FLEXIWATT25
ORDERING NUMBER: TDA7382
REVERSED BATTERY
ESD PROTECTION
DESCRIPTION
The TDA7382 is a new technology class AB
Audio Power Amplifier in Flexiwatt 25 package
designed for high end car radio applications.
Thanks to the fully complementary PNP/NPN out-
put configuration the TDA7382 allows a rail to rail
output voltage swing with no need of bootstrap
capacitors. The extremely reduced components
count allows very compact sets. The on-board
clipping detector simplifies gain compression op-
erations.
ST-BY
MUTE
IN1
0.1µF
Vcc1
IN2
0.1µF
IN3
0.1µF
IN4
0.1µF
AC-GND
0.1µF
SVR
47µF
September 1999
Vcc2
TAB
S-GND
2.200µF
100nF
CLIPPING DET.
OUT1+
OUT1-
PW-GND
OUT2+
OUT2-
PW-GND
OUT3+
OUT3-
PW-GND
OUT4+
OUT4-
PW-GND
D98AU818
1/10




TDA7382 pdf, 반도체, 판매, 대치품
TDA7382
Figure 1: Standard Test and Application Circuit
ST-BY
MUTE
IN1
R1
10K
R2
47K
C1
0.1µF
IN2
C2 0.1µF
IN3
C3 0.1µF
IN4
C4 0.1µF
C8
0.1µF
4
C9
1µF
22
C10
1µF
11
C7
2200µF
Vcc1-2 Vcc3-4
6 20
9
8
7
5
2
3
12 17
18
19
15
S-GND
14
13
16
C5
0.1µF
21
24
23
10
SVR
C6
47µF
25
1
TAB
CLIPPING DET.
OUT1
OUT2
OUT3
OUT4
D98AU819
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TDA7382 전자부품, 판매, 대치품
Figure 9: Output Noise vs. Source Resistance
TDA7382
Figure 10: Power Dissipation & Efficiency vs.
Output Power
Ptot (W)
Ptot
Rg ()
INPUT STAGE
The TDA7382’S inputs are ground-compatible
and can stand very high input signals (± 8Vpk)
without any performances degradation.
If the standard value for the input capacitors
(0.1µF) is adopted, the low frequency cut-off will
amount to 16 Hz.
STAND-BY AND MUTING
STAND-BY and MUTING facilities are both
CMOS-COMPATIBLE. If unused, a straight con-
nection to Vs of their respective pins would be ad-
missible. Conventional low-power transistors can
be employed to drive muting and stand-by pins in
Figure 11: Input/OutputBiasing.
100K
0.1µF
C1 ÷ C4
IN
absence of true CMOS ports or microprocessors.
R-C cells have always to be used in order to
smooth down the transitions for preventing any
audible transient noises.
Since a DC current of about 10 uA normally flows
out of pin 22, the maximum allowable muting-se-
ries resistance (R2) is 70K, which is sufficiently
high to permit a muting capacitor reasonably
small (about 1µF).
If R2 is higher than recommended, the involved
risk will be that the voltage at pin 22 may rise to
above the 1.5 V threshold voltage and the device
will consequently fail to turn OFF when the mute
line is brought down.
About the stand-by, the time constant to be as-
+
-
8K
400
VS
10K
70KSVR
10K
100K
47µF
C6
400
8K
AC_GND
-
+
0.1µF
C5
D95AU302
TOWARDS
OTHER CHANNELS
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