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AS2431
Precision Adjustable Shunt Reference
3.0
2.5
2.0
1.5
1.0
0.5
0
–60
–30
0
30
60
90
120
T
A – Ambient Temperature (°C)
Reference Input Current
R1 = 10 k
Ω
R2 =
∞
I
K =10 mA
0
–5
–10
–15
–20
–25
0
369
V
KA – Cathode Voltage (V)
12
15
18
I
K = 10 mA
Temperature Range: –55 to 125
°C
–30
°C
25
°C
75
°C
125
°C
Reference Voltage Line Regulation
70
60
50
40
30
20
10
0
10
100
1 k
f – Frequency (Hz)
10 k
100 k
V
KA = VREF
I
K = 10 mA
T
A = 25°C
Noise Voltage
0.150
0.125
0.100
0.075
0.050
0.025
0.0
–60
–30
0
30
T
A – Free Air Temperature
60
90
120
V
KA = VREF
I
KA = 1 to 100 mA
f
≤ 1 kHz
Low Frequency Dynamic Output Impedance
Typical Performance Curves
Figure 6
Figure 7
Figure 8
Figure 9
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