P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
TL431/TL431A/TL431B
P
R E C I S I O N P R O G R A M M A B L E R E F E R E N C E S
P R O D U C T I O N D A T A S H E E T
TYPICAL CHARACTERISTICS
FIGURE 12. — SMALL-SIGNAL VOLTAGE AMPLIFICATION
vs. FREQUENCY
70
Output
IK = 10mA
TA = 25°C
60
50
40
30
20
10
0
IK
230
15k
9µF
8.25k
GND
Test Circuit for Voltage Amplification
-10
10k
1M
10M
1k
100k
(f) Frequency - (Hz)
FIGURE 13. — REFERENCE IMPEDANCE vs. FREQUENCY
100
Output
IK = 1mA to 100mA
TA = 25°C
1k
IK
10
50
1
GND
Test Circuit for Reference Impedance
0.1
1k
100k
1M
10M
10k
(f) Frequency - (Hz)
Copyright © 1999
Rev. 1.3 9/99
9
MICROSEMI [ Microsemi ]
