TDA8947J/N3,112 NXP Semiconductors, TDA8947J/N3,112 Datasheet - Page 15

• Manufacturer Part Number: TDA8947J/N3,112
• Description: IC AMP AUDIO PWR 29W QUAD 17SIL
• Manufacturer: NXP Semiconductors
• Type: Class ABr

Specifications of TDA8947J/N3,112

• Output Type: 4-Channel (Quad)
• Package / Case: 17-SIL (Bent and Staggered Leads)
• Max Output Power X Channels @ Load: 29W x 2 @ 8 Ohm; 14W x 4 @ 4 Ohm
• Voltage - Supply: 9 V ~ 26 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Product: Class-AB
• Output Power: 29 W
• Available Set Gain: 32 dB
• Thd Plus Noise: 0.05 %
• Operating Supply Voltage: 18 V
• Maximum Power Dissipation: 69000 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Audio Load Resistance: 8 Ohms
• Input Signal Type: Single
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential, Single
• Supply Type: Single
• Supply Voltage (max): 26 V
• Supply Voltage (min): 9 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-3458-5; 935274472112; TDA8947J

Philips Semiconductors
13. Application information
9397 750 14938
Product data sheet
Fig 12. Typical application diagram without on/off switching plops
controller
micro-
7.5 V
k
1.5
k
10
13.1 Application diagrams
k
50
BC547
100
k
Table 11:
BC547
Microcontroller
LOW
HIGH
Microcontroller with open-collector output; see
270
V
CC
2.2
F
Amplifier selection by microcontroller
V
V
V
i
i
i
47
F
470 nF
V
220 nF
220 nF
CC
MODE2 5
MODE1
SGND
22 F
IN1
IN2
IN3
IN4
SVR 11
CIV 13
Rev. 02 — 16 June 2005
8
6
9
12
7
10
0.5V
V
60 k
60 k
60 k
60 k
Channels 1 and 2
On mode
Mute mode
CC
CC
V
STANDBY ALL
ref
MUTE 3
MUTE ALL
ON 1
ON 3
V
3
CC1
Figure
2
4
4
V
16
CC2
12.
SHORT-CIRCUIT
TEMPERATURE
PROTECTION
GND1
2
TDA8947J
AND
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
GND2
15
Channels 3 and 4
On mode
Mute mode
4-channel audio amplifier
14
17
4
1
100 nF
OUT3
OUT4
OUT1
OUT2
mdb017
TDA8947J
4
R
R
8
L
L
1000 F
470 F
V
4
CC
R
L
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