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July 1994 2
Philips Semiconductors Product specification
2 x 6 W hi-fi audio power amplifier TDA1521A
GENERAL DESCRIPTION
The TDA1521A is a dual hi-fi audio power amplifier encapsulated in a 9-lead plastic power package. The device is
especially designed for mains fed applications (e.g. stereo tv sound and stereo radio).
Features
• Requires very few external components
• Input muted during power-on and off
(no switch-on or switch-off clicks)
• Low offset voltage between output and ground
• Excellent gain balance between channels
• Hi-fi according to IEC 268 and DIN 45500
• Short-circuit-proof
• Thermally protected.
QUICK REFERENCE DATA
PACKAGE OUTLINE
TDA1521A: 9-lead single in-line; plastic power (SOT 110B); SOT110-1; 1996 July 22.
Stereo applications
Supply voltage range V
P
± 7,5 to ± 21,0 V
Output power at THD = 0,5%,
V
P
= ± 12 V P
o
typ. 6 W
Voltage gain G
V
typ. 30 dB
Gain balance between channels ∆G
V
typ. 0,2 dB
Ripple rejection SVRR typ. 60 dB
Channel separation α typ. 70 dB
Noise output voltage V
no(rms)
typ. 70 µV