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Philips Semiconductors
4 × 44 W into 4 Ω or 4 × 75 W into 2 Ω
quad BTL car radio power amplifier
6
PINNING
SYMBOL
PIN
V
1
power supply to channels 1 and 4
P1
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
13
channel 2 power supply
P2
CP
14
charge pump capacitor
V
15
channel 3 power supply
P3
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)
2002 Jan 14
DESCRIPTION
handbook, halfpage
V P1
SGND
OUT1−
PGND1
OUT1+
DIAG
PGND2
MUTE/ON
OUT2+
IN1
OUT2−
IN2
V P2
CP
V P3
IN3
OUT3−
IN4
OUT3+
STBY
PGND3
CIN
OUT4+
PGND4
OUT4−
OFFCAP
GNDHS
Fig.2 Pin configuration.
6
Preliminary specification
TDA8591J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TDA8591J
15
16
17
18
19
20
21
22
23
24
25
26
27
MGW450
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