2002 Jan 14
6
Philips Semiconductors
Preliminary specification
4
×
44 W into 4
Ω
or 4
×
75 W into 2
Ω
quad BTL car radio power amplifier
TDA8591J
6
PINNING
SYMBOL
PIN
DESCRIPTION
V
P1
1
power supply to channels 1 and 4
SGND
2
signal ground
OUT1
−
3
channel 1 negative output
PGND1
4
channel 1 power ground
OUT1+
5
channel 1 positive output
DIAG
6
diagnostic output
PGND2
7
channel 2 power ground
MUTE/ON
8
mode select input: mute/amplifier
operating (via mute timer)
OUT2+
9
channel 2 positive output
IN1
10
channel 1 input
OUT2
−
11
channel 2 negative output
IN2
12
channel 2 input
V
P2
13
channel 2 power supply
CP
14
charge pump capacitor
V
P3
15
channel 3 power supply
IN3
16
channel 3 input
OUT3
−
17
channel 3 negative output
IN4
18
channel 4 input
OUT3+
19
channel 3 positive output
STBY
20
standby select input
PGND3
21
channel 3 power ground
CIN
22
common input voltage
OUT4+
23
channel 4 positive output
PGND4
24
channel 4 power ground
OUT4
−
25
channel 4 negative output
OFFCAP
26
offset detection capacitor
GNDHS
27
ground (heatsink of encapsulation)
handbook, halfpage
TDA8591J
MGW450
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
VP1
SGND
OUT1
−
PGND1
OUT1
+
DIAG
PGND2
MUTE/ON
OUT2
+
IN1
OUT2
−
IN2
VP2
CP
VP3
IN3
OUT3
−
IN4
OUT3
+
STBY
PGND3
CIN
OUT4
+
PGND4
OUT4
−
OFFCAP
GNDHS
Fig.2 Pin configuration.