1999 Jun 30
2
Philips Semiconductors
Product specification
2
×
24 W BTL or 4
×
12 W single-ended
car radio power amplifier
TDA8561Q
FEATURES
•
Requires very few external components
•
High output power
•
Flexibility in use; Quad single-ended or stereo BTL
•
Low output offset voltage
•
Fixed gain
•
Diagnostic facility (distortion, short-circuit and
temperature detection)
•
Good ripple rejection
•
Mode select switch (operating, mute and standby)
•
Load dump protection
•
AC and DC short-circuit safe to ground and to V
P
•
Low power dissipation in any short-circuit condition
•
Thermally protected
•
Reverse polarity safe
•
Electrostatic discharge protection
•
No switch-on/switch-off plop
•
Flexible leads
•
Low thermal resistance
•
Identical inputs (inverting and non-inverting).
GENERAL DESCRIPTION
The TDA8561Q is an integrated class-B output amplifier in
a 17-lead single-in-line (SIL) power package. It contains
4
×
12 W Single-Ended (SE) or 2
×
24 W Bridge-Tied
Load (BTL) amplifiers.
The device is primarily developed for car radio
applications.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
P
positive operating supply voltage
6
14.4
18
V
I
ORM
repetitive peak output current
−
−
4
A
I
P
total quiescent current
−
80
−
mA
I
sb
standby current
−
0.1
100
µ
A
Stereo BTL application
P
o
output power
R
L
= 4
Ω
; THD = 10%
−
24
−
W
RR
supply voltage ripple rejection
46
−
−
dB
V
no
noise output voltage
R
s
= 0
Ω
−
70
−
µ
V
Z
I
input impedance
25
−
−
k
Ω
∆
V
O
|
DC output offset voltage
−
−
150
mV
Quad single-ended application
P
o
output power
THD = 10%
R
L
= 4
Ω
−
7
−
W
R
L
= 2
Ω
−
12
−
W
RR
supply voltage ripple rejection
46
−
−
dB
V
no
noise output voltage
R
s
= 0
Ω
−
50
−
µ
V
Z
I
input impedance
50
−
−
k
Ω
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8561Q
DBS17P
plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm)
SOT243-1
