TDA2050 Просмотр технического описания (PDF) - Unisonic Technologies
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TDA2050 Datasheet PDF : 7 Pages
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TDA2050
TYPICAL APPLICATION CIRCUIT
FOR SPLIT SUPPLY APPLICATION SUGGESTIONS
LINEAR INTEGRATED CIRCUIT
C1
22μF
VIN
R1
22kΩ
R2
680Ω
C2
22μF
C5
220μF
5
1
+
UTC
4
2 TDA2050
-
R3
3 22kΩ
C4
100nF
+VS
C3
100nF
R4
2.2Ω
RL
C7
0.47μF
-VS
C6
220μF
Figure.1 Split Supply Typical Application Circuit
The following table demonstrates the recommended values of the external components are those shown
on above circuit. Different values can be used.
COMPONENT
PURPOSE
R1
Input Impedance
R2
Feedback Resistor
R3
R4
Frequency Stability
C1
Input Decoupling DC
C2
Inverting Input DC
Decoupling
C3, C4 Supply Voltage Bypass
C5, C6 Supply Voltage Bypass
C7
Frequency Stability
* The gain must be higher than 24dB
TYPICAL
22kΩ
680Ω
22kΩ
2.2Ω
1µF
22µF
100nF
220µF
0.47µF
RECOMMENDED VALUE
LARGER
SMALLER
Increase of Input Impedance Decrease of Input
Impedance
Decrease of Gain*
Increase of Gain
Increase of Gain
Decrease of Gain*
Danger of Oscillations
Higher Low-frequency cut-off
Increase of Switch ON/OFF
Noise
Higher Low-frequency cut-off
Danger of Oscillations
Danger of Oscillations
Danger of Oscillations
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4
QW-R107-036,A
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