TL431, TL431A, TL431B
TL432, TL432A, TL432B
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SLVS543M –AUGUST 2004–REVISED JULY 2012
SMALL-SIGNAL VOLTAGE AMPLIFICATION
vs
I
= 10 mA
T = 25°C
A
FREQUENCY
KA
60
I
= 10 mA
= 25°C
KA
T
A
50
40
30
Output
232 Ω
I
KA
15 kΩ
9 µF
+
−
8.25 kΩ
20
GND
TEST CIRCUIT FOR VOLTAGE AMPLIFICATION
10
0
1 k
10 k
100 k
1 M
10 M
f − Frequency − Hz
Figure 15.
REFERENCE IMPEDANCE
vs
FREQUENCY
100
10
1
I
= 10 mA
KA
T
= 25°C
A
1 kΩ
Output
I
KA
50 Ω
−
+
GND
TEST CIRCUIT FOR REFERENCE IMPEDANCE
0.1
1 k
10 k
100 k
1 M
10 M
f − Frequency − Hz
Figure 16.
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