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TDA1521PDF资料
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2009-09-02
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2 x 12 W hi-fi audio power amplifier TDA1521 TDA1521Q GENERAL DESCRIPTION The TDA1521/TDA1521Q 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
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DATA SHEET
Product specification
File under Integrated Circuits, IC01
July 1994
INTEGRATED CIRCUITS
TDA1521
TDA1521Q
2 x 12 W hi-fi audio power amplifier
July 1994 2
Philips Semiconductors Product specification
2 x 12 W hi-fi audio power amplifier
TDA1521
TDA1521Q
GENERAL DESCRIPTION
The TDA1521/TDA1521Q 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 OUTLINES
TDA1521: 9 leads in-line; plastic power (SOT131); SOT131-1; 1996 August 20.
TDA1521Q: 9 leads SIL-bent-to-DIL; plastic power (SOT157); SOT157-2; 1996 August 20.
Stereo applications
Supply voltage range V
P
± 7,5 to ± 21,0 V
Output power at THD = 0,5%,
V
P
= ± 16 V P
O
typ. 12 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
July 1994 3
Philips Semiconductors Product specification
2 x 12 W hi-fi audio power amplifier
TDA1521
TDA1521Q
Fig.1 Block diagram.
PINNING
1 −INV1 non-inverting input 1
2 INV1 inverting input 1
3 GND
ground (symmetrical)
1
⁄
2
V
P
(asymmetrical)
4 OUT1 output 1
5 −V
P
negative supply (symmetrical)
ground (asymmetrical)
6 OUT2 output 2
7+V
P
positive supply
8 INV2 inverting input 2
9 −INV2 non-inverting input 2
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