TDA2050 Просмотр технического описания (PDF) - STMicroelectronics
Номер в каталоге
Компоненты Описание
производитель
TDA2050 Datasheet PDF : 13 Pages
| |||
SPLIT SUPPLY APPLICATION SUGGESTIONS
The recommended values of the external compo-
nents are those shown on the application circuit
TDA2050
of fig. 2. Different values can be used. The follow-
ing table can help the designer.
Component
Recommended
Value
Purpose
R1
22kΩ
Input Impedance
R2
680Ω
Feedback Resistor
R3
22kΩ
R4
2.2Ω
Frequency Stability
C1
1µF
Input Decoupling DC
C2
22µF
Inverting Input
DC Decoupling
C3
100nF
Supply Voltage Bypass
C4
C5
220µF
Supply Voltage Bypass
C6
C7
0.47µF
Frequency Stability
(*) 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
Larger than
Recommended Value
Increase of Input
Impedance
Decrease of Gain (*)
Increase of Gain
Danger of Oscillations
Increase of Switch
ON/OFF Noise
Smaller than
Recommended Value
Decrease of Input
Impedance
Increase of Gain
Decrease of Gain (*)
Higher Low-frequency
cut-off
Higher Low-frequency
cut-off
Danger of Oscillations
Danger of Oscillations
Danger of Oscillations
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.
5/13
Share Link: 