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TDA8542TS 数据表(PDF) 2 Page - NXP Semiconductors

部件名 TDA8542TS
功能描述  2 x 0.7 W BTL audio amplifier
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

TDA8542TS 数据表(HTML) 2 Page - NXP Semiconductors

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1998 Mar 25
2
Philips Semiconductors
Product specification
2
× 0.7 W BTL audio amplifier
TDA8542TS
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, VCC and across the
load
• Thermally protected.
GENERAL DESCRIPTION
The TDA8542TS is a two channel audio power amplifier
for an output power of 2
× 0.7 W with a 16 Ω load at a 5 V
supply. At a low supply voltage of 3.3 V an output power of
0.6 W with an 8
Ω load can be obtained. The circuit
contains two Bridge-Tied Load (BTL) amplifiers with a
complementary PNP-NPN output stage and standby/mute
logic. The TDA8542TS is available in a SSOP20 package.
APPLICATIONS
• Portable consumer products
• Personal computers
• Motor-driver (servo).
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VCC
supply voltage
2.2
5
18
V
Iq
quiescent current
VCC =5V
15
22
mA
Istb
standby current
−−
10
µA
Po
output power
THD = 10%; RL =8 Ω; VCC = 3.3 V 0.45
0.55
W
THD = 10%; RL =16 Ω; VCC = 5 V
0.6
0.7
W
THD
total harmonic distortion
Po = 0.4 W
0.15
%
SVRR
supply voltage ripple rejection
50
−−
dB
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8542TS
SSOP20
plastic shrink small outline package; 20 leads; body width 4.4 mm
SOT266-1


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