100

Ω

100

Ω

GND

Output

0.1

1k

10k

100k

1M

10M

1

f − Frequency − Hz

REFERENCE IMPEDANCE

vs

FREQUENCY

10

100

TEST CIRCUIT FOR REFERENCE IMPEDANCE

0.01

−

+

SMALL-SIGNAL VOLTAGE GAIN/PHASE MARGIN

vs

FREQUENCY

10

F

µ

GND

Output

180 Ω

6.8 kΩ

1k

10k

100k

1M

100

f − Frequency − Hz

TEST CIRCUIT FOR VOLTAGE GAIN

AND PHASE MARGIN

80

70

60

50

40

30

20

10

0

− 10

0°

36°

72°

108°

144°

180°

4.3 kΩ

5 V

− 20

TLV431, TLV431A, TLV431B

SLVS139V – JULY 1996 – REVISED JANUARY 2015

www.ti.com

Typical Characteristics (continued)

Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions

table are not implied.

Figure 14. Voltage Gain and Phase Margin

Figure 15. Reference Impedance vs Frequency

12

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