channel switching. TDA8547 Datasheet

TDA8547 switching. Datasheet pdf. Equivalent

Part TDA8547
Description 2 x 1 W BTL audio amplifier with output channel switching
Feature INTEGRATED CIRCUITS DATA SHEET TDA8547 2 × 1 W BTL audio amplifier with output channel switching P.
Manufacture NXP
Datasheet
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TDA8547
INTEGRATED CIRCUITS
DATA SHEET
TDA8547
2 × 1 W BTL audio amplifier with
output channel switching
Preliminary specification
File under Integrated Circuits, IC01
1997 Oct 07



TDA8547
Philips Semiconductors
2 × 1 W BTL audio amplifier with output
channel switching
Preliminary specification
TDA8547
FEATURES
Selection between output channels
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, VCC and across the
load
Thermally protected.
APPLICATIONS
Telecommunication equipment
Portable consumer products
Personal computers
Motor-driver (servo).
GENERAL DESCRIPTION
The TDA8547(T) is a two channel audio power amplifier
for an output power of 2 × 1 W with an 8 load at a 5 V
supply. The circuit contains two BTL amplifiers with a
complementary PNP-NPN output stage and standby/mute
logic. The operating condition of all channels of the device
(standby, mute or on) is externally controlled by the
MODE pin. With the SELECT pin one of the output
channels can be switched in the standby condition. This
feature can be used for loudspeaker selection and also
reduces the quiescent current consumption.
The TDA8547T comes in a SO16 package and the
TDA8547 in a DIP16 package.
QUICK REFERENCE DATA
SYMBOL
VCC
Iq
Istb
Po
THD
SVRR
PARAMETER
supply voltage
quiescent current
standby current
output power
total harmonic distortion
supply voltage ripple rejection
CONDITIONS
VCC = 5 V; 2 channels
VCC = 5 V; 1 channel
THD = 10%; RL = 8 ; VCC = 5 V
Po = 0.5 W
MIN.
2.2
1
50
TYP.
5
15
8
0.15
MAX. UNIT
18 V
22 mA
12 mA
10 µA
W
%
dB
ORDERING INFORMATION
TYPE
NUMBER
TDA8547T
TDA8547
NAME
SO16
DIP16
PACKAGE
DESCRIPTION
plastic small outline package; 16 leads; body width 7.5 mm
plastic dual in-line package; 16 leads (300 mil); long body
VERSION
SOT162-1
SOT38-1
1997 Oct 07
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