Philips Semiconductors
Preliminary specification
26 W BTL and 2 × 13 W SE or
4 × 13 W SE power amplifier
TDA8512J
6
BLOCK DIAGRAM
V
V
P1
5
P2
13
handbook, full pagewidth
1
mute switch
INV1
C
m
60
kΩ
6
VA
OUT1
2
kΩ
power stage
18 kΩ
3
mute switch
C
INV2
m
60
kΩ
8
VA
OUT2
2
kΩ
power stage
18 kΩ
V
P
TDA8512J
14
MODE
standby
switch
standby
reference
voltage
VA
PROTECTIONS
thermal
short-circuit
mute
switch
15 kΩ
x1
4
RR
mute
15 kΩ
reference
voltage
16
15
mute switch
C
m
INV3
INV3
60
kΩ
10
VA
OUT3
2
kΩ
power stage
18 kΩ
17
mute switch
C
INV4
REF
m
60
kΩ
12
VA
OUT4
9
2
kΩ
input
reference
voltage
power stage
18 kΩ
2
7
11
MGW426
SGND
GND1
GND2
Fig.1 Block diagram.
4
2001 Nov 16
NXP [ NXP ]
