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PARAMETER MEASUREMENT INFORMATION

Input

Input

R1

R2

V

KA +

V

I(ref)

1 )

R1

R2 )

I

I(ref)

R1

Input

TYPICAL CHARACTERISTICS

TL1431

PRECISION PROGRAMMABLE REFERENCE

SLVS062K – DECEMBER 1991 – REVISED OCTOBER 2006

Data at high and low temperatures are applicable only within the recommended operating free-air temperature

ranges of the various devices.

Table of Graphs

GRAPH

FIGURE

Reference voltage vs Free-air temperature

4

Reference current vs Free-air temperature

5

Cathode current vs Cathode voltage

6, 7

Off-state cathode current vs Free-air temperature

8

Ratio of delta reference voltage to delta cathode voltage vs Free-air temperature

9

Equivalent input-noise voltage vs Frequency

10

Equivalent input-noise voltage over a 10-second period

11

Small-signal voltage amplification vs Frequency

12

Reference impedance vs Frequency

13

Pulse response

14

Stability boundary conditions

15

6

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