TDA8947J 查看數據表（PDF） - NXP Semiconductors.
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TDA8947J Datasheet PDF : 24 Pages
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Philips Semiconductors
TDA8947J
4-channel audio amplifier
220 nF IN1+ 8
Vi
60 kΩ
220 nF IN2+ 6
Vi
60 kΩ
IN3+ 9
470 nF
60 kΩ
Vi
IN4+ 12
60 kΩ
CIV 13
VCC
22 µF
VCC1
3
VCC2
16
100 nF
VCC
1000 µF
1 OUT1+
4 OUT2−
−
+
14 OUT3−
−
+
17 OUT4+
+
RL
−
4Ω
RL
4Ω
450 µF
RL
8Ω
SHORT-CIRCUIT
AND
TEMPERATURE
PROTECTION
SVR 11 0.5VCC
150 µF
Vref
SGND 7
MICRO-
CONTROLLER
MODE1 10
VCC MODE2 5
STANDBY ALL
MUTE ALL
ON 1 + 2
MUTE 3 + 4
ON 3 + 4
TDA8947J
2
GND1
15
GND2
mdb018
Fig 13. Application diagram with one pin control and reduction of capacitor
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.
9397 750 14938
Product data sheet
Rev. 02 — 16 June 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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