TDA2030 查看數據表（PDF） - STMicroelectronics
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TDA2030 Datasheet PDF : 13 Pages
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TDA2030
SINGLE SUPPLY APPLICATION
Component
R1
R2
R3
R4
RA/RB
C1
C2
C3
C5
C7
C8
D1, D2
Recomm.
value
Purpose
Larger than
recommended value
150 kΩ
Closed loop gain
setting
Increase of gain
4.7 kΩ
Closed loop gain
setting
Decrease of gain (*)
100 kΩ
Non inverting input
biasing
Increase of input
impedance
1Ω
Frequency stability
Danger of osccilat. at
high frequencies
with induct. loads
100 kΩ Non inverting input Biasing
1 µF
Input DC
decoupling
22 µF
Inverting DC
decoupling
0.1 µF
Supply voltage
bypass
100 µF
Supply voltage
bypass
0.22 µF Frequency stability
≅
2π
1
B R1
Upper frequency
cutoff
Smaller bandwidth
1N4001 To protect the device against output voltage spikes
Smaller than
recommended value
Decrease of gain (*)
Increase of gain
Decrease of input
impedance
Power Consumption
Increase of low
frequencies cutoff
Increase of low
frequencies cutoff
Danger of
oscillation
Danger of
oscillation
Danger of oscillation
Larger bandwidth
(*) Closed loop gain must be higher than 24dB
8/12
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