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TDA8947J Datasheet(Fiches technique) 16 Page - NXP Semiconductors

Numéro de pièce TDA8947J
Description  4-channel audio amplifier (SE: 1 W to 25 W; BTL: 4 W to 50 W)
Télécharger  24 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
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Philips Semiconductors
TDA8947J
4-channel audio amplifier
Preliminary data
Rev. 01 — 06 February 2004
16 of 24
9397 750 10779
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Remark: Because of switching inductive loads, the output voltage can rise beyond
the maximum supply voltage of 28 V. At high supply voltages, it is recommended to
use (Schottky) diodes to the supply voltage and ground.
Fig 13. Application diagram with one pin control and reduction of capacitor.
VCC1
VCC2
16
220 nF
IN1
+
IN2
+
OUT1
+
OUT2
Vi
220 nF
Vi
RL
4
RL
4
450
µF
1
4
VCC
1000
µF
100 nF
470 nF
IN3
+
IN4
+
OUT3
OUT4
+
Vi
RL
8
+
+
+
MICRO-
CONTROLLER
22
µF
VCC
215
GND1
GND2
60 k
60 k
3
8
6
60 k
60 k
9
12
14
17
TDA8947J
MUTE 3
+4
ON 3
+4
MDB018
STANDBY ALL
MUTE ALL
ON 1
+2
0.5VCC
VCC
CIV 13
MODE1
SGND
10
7
SVR 11
MODE2 5
SHORT-CIRCUIT
AND
TEMPERATURE
PROTECTION
Vref
150
µF




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