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TDA2050 Datasheet(PDF) 5 Page - STMicroelectronics

Part # TDA2050
Description  32W Hi-Fi AUDIO POWER AMPLIFIER
PDF  13 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA2050 Datasheet(HTML) 5 Page - STMicroelectronics

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SPLIT SUPPLY APPLICATION SUGGESTIONS
The recommended values of the external compo-
nents are those shown on the application circuit
of fig. 2. Different values can be used. The follow-
ing table can help the designer.
Component
Recommended
Value
Purpose
Larger than
Recommended Value
Smaller than
Recommended Value
R1
22k
Ω
Input Impedance
Increase of Input
Impedance
Decrease of Input
Impedance
R2
680
Ω
Feedback Resistor
Decrease of Gain (*)
Increase of Gain
R3
22k
Ω
Increase of Gain
Decrease of Gain (*)
R4
2.2
Ω
Frequency Stability
Danger of Oscillations
C1
1
µF
Input Decoupling DC
Higher Low-frequency
cut-off
C2
22
µF
Inverting Input
DC Decoupling
Increase of Switch
ON/OFF Noise
Higher Low-frequency
cut-off
C3
C4
100nF
Supply Voltage Bypass
Danger of Oscillations
C5
C6
220
µF
Supply Voltage Bypass
Danger of Oscillations
C7
0.47
µF
Frequency Stability
Danger of Oscillations
(*) The gain must be higher than 24dB
PRINTED CIRCUIT BOARD
The layout shown in fig. 2 should be adopted by
the designers. If different layouts are used, the
ground points of input 1 and input 2 must be well
decoupled from the ground return of the output in
which a high current flows.
TDA2050
5/13



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