TDA8564Q Datasheet, PDF (2/15 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
Preliminary specification
TDA8564Q
BLOCK DIAGRAM
handbook, full pagewidth
non-inverting 1
input 1
60
kΩ
mute switch _Cm
VA
180
Ω
18 kΩ
V _P1
5
VP2
13
TDA8564Q
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
180
Ω
18 kΩ
VP
power stage
stand-by
switch
VA
15 kΩ
x1
PROTECTIONS
thermal
short-circuit
standby
reference
voltage
mute
switch
15 kΩ
mute
reference
voltage
mute switch
Cm
60
kΩ
VA
180
Ω
18 kΩ
power stage
8
output 2
14
mode
select
switch
16
diagnostic
output
12
output 4
60
kΩ
inverting 15
input 3
mute switch Cm
VA
180
Ω
input
reference
2 ^voltage
18 kΩ
9
ground
(signal)
not connected
power stage
7
GND1
11
GND2
power ground (substrate)
10
MLC809
output 3
Fig.1 Block diagram.
February 1995
3