tda8569q-n1 NXP Semiconductors, tda8569q-n1 Datasheet - Page 10

• Manufacturer Part Number: tda8569q-n1
• Description: 4 X 25 W Btl Quad Car Radio Power Amplifier
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TEST AND APPLICATION INFORMATION
2003 Aug 08
handbook, full pagewidth
4
power amplifier
Special care must be taken in the PCB-layout to separate pin V
clip output and the inputs.
To avoid switch-on plops, it is advised to keep the amplifier in the mute mode for a period of
pins IN1, IN2, IN3 and IN4).
40 W BTL quad car radio
input 1
input 2
input 3
input 4
470 nF
470 nF
470 nF
470 nF
SGND
IN1
IN2
IN3
IN4
10
11
12
13
14
MODE
15
TDA8569Q
30 k
30 k
30 k
30 k
Fig.7 Application circuit diagram.
V P1
1
3
PGND1
DIAG
V P2
8
6
PGND2
from the pins IN1, IN2, IN3 and IN4 to minimize the crosstalk between the
V P
10
power ground (substrate)
DIAGNOSTIC
16
18
V P3
PGND3
V ref
V ref
V P4
23
21
PGND4
150 ms (charging the input capacitors at
17
19
22
20
2
4
7
5
9
OUT1
OUT1
OUT2
OUT2
OUT3
OUT3
OUT4
OUT4
V DIAG
MBK011
100 nF
10 k
R L = 2
R L = 2
R L = 2
R L = 2
V P
4700 F
diagnostic
output
14.4 V
Product specification
TDA8569Q