Datasheet

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TYPICAL CHARACTERISTICS
(1)
REFERENCE CURRENT
vs
FREE-AIR TEMPERATURE
− 50 − 25 0 25 50 75 100 125
0
0.5
1
1.5
2
2.5
T
A
− Free-Air Temperature − °C
I
KA
= 10 mA
R1 = 10 kΩ
R2 = ∞
− Reference Current −
I
I(ref)
Aµ
2.5
2.49
2.48
− 50 − 25
0
25 50
2.51
REFERENCE VOLTAGE
vs
FREE-AIR TEMPERATURE
2.52
75
100 125
V
I(ref)
= V
KA
I
KA
= 10 mA
T
A
− Free-Air Temperature − °C
− Reference Voltage − VV
I(ref)
TL1431-EP
PRECISION PROGRAMMABLE REFERENCE
SLVS529C – APRIL 2004 – REVISED DECEMBER 2006
(1) Data at high and low temperatures are applicable only within the recommended operating free-air temperature ranges of the various
devices.
TABLE OF GRAPHS
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-s period 11
Small-signal voltage amplification vs Frequency 12
Reference impedance vs Frequency 13
Pulse response 14
Stability boundary conditions 15
Figure 4. Figure 5.
6
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