TDA8561Q Datasheet, PDF (3/24 Pages) NXP Semiconductors – 2 x 24 W BTL or 4 x 12 W single-ended car radio power amplifier

Philips Semiconductors
2 × 24 W BTL or 4 × 12 W single-ended
car radio power amplifier
Product specification
TDA8561Q
BLOCK DIAGRAM
non-inverting 1
input 1
60
kΩ
mute switch _Cm
VA
2
kΩ
18 kΩ
V _P1
5
VP2
13
TDA8561Q
6
output 1
power stage
inverting
3
input 2
supply voltage
4
ripple rejection
non-inverting ¹⁷
input 4
mute switch _Cm
60
kΩ
VA
2
kΩ
18 kΩ
VP
power stage
stand-by
switch
VA
15 kΩ
x1
PROTECTIONS
thermal
short-circuit
stand-by
reference
voltage
mute
switch
15 kΩ
mute
reference
voltage
mute switch
Cm
60
kΩ
VA
2
kΩ
18 kΩ
power stage
8
output 2
14
mode
select
switch
16
diagnostic
output
12
output 4
mute switch _Cm
60
kΩ
inverting ¹⁵
input 3
VA
10
2
kΩ
input
reference
voltage
2
18 kΩ
9
ground
(signal)
not connected
power stage
7
GND1
11
GND2
MEA858 - 1
power ground (substrate)
output 3
Fig.1 Block diagram.
1999 Jun 30
3