1998 Apr 01
2
Philips Semiconductors
Product specification
2
×
1 W BTL audio amplifier
TDA8542
FEATURES
•
Flexibility in use
•
Few external components
•
Low saturation voltage of output stage
•
Gain can be fixed with external resistors
•
Standby mode controlled by CMOS compatible levels
•
Low standby current
•
No switch-on/switch-off plops
•
High supply voltage ripple rejection
•
Protected against electrostatic discharge
•
Outputs short-circuit safe to ground, V
CC
and across the
load
•
Thermally protected.
APPLICATIONS
•
Portable consumer products
•
Personal computers
•
Motor-driver (servo).
GENERAL DESCRIPTION
The TDA8542(T) is a two channel audio power amplifier
for an output power of 2
×
1 W with an 8
Ω
load at a 5 V
supply. The circuit contains two BTL amplifiers with a
complementary PNP-NPN output stage and standby/mute
logic. The TDA8542T comes in a 16 pin SO package and
the TDA8542 in a 16 pin DIP package.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
CC
supply voltage
2.2
5
18
V
I
q
quiescent current
V
CC
= 5 V
−
15
22
mA
I
stb
standby current
−
−
10
µ
A
P
o
output power
THD = 10%; R
L
= 8
Ω
; V
CC
= 5 V
1
1.2
−
W
THD
total harmonic distortion
P
o
= 0.5 W
−
0.15
−
%
SVRR
supply voltage ripple rejection
50
−
−
dB
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8542T
SO16L
plastic small outline package; 16 leads; body width 7.5 mm
SOT162-1
TDA8542
DIP16
plastic dual in-line package; 16 leads (300 mil); long body
SOT38-1
