Datasheet

TS2431 Electrical characteristics
Doc ID 7961 Rev 4 5/11
Figure 1. Reference voltage vs. temperature Figure 2. Cathode voltage vs. cathode
current
-40-200 20406080100
2.48
2.49
2.50
2.51
2.52
Ik =10 mA
Vka = Vref
Voltage reference (V)
Temperature (°C)
-0.10 -0.05 0.00 0.05 0.10
-1
0
1
2
3
Vka = Vref
T=25°C
Vka Cathode voltage (V)
Ika Cathode current (A)
Figure 3. Reference input current vs.
temperature
Figure 4. Test circuit for Vka = Vref
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0.00
0.25
0.50
0.75
1.00
Ik=10mA
R1=10K
Ω
R2=+∞
Reference input current (µA)
Temperature (°C)
Input
Vka
Vref
Ik
Output
Figure 5. Cathode voltage vs. cathode
current
Figure 6. Dynamic impedance vs. frequency
0 100 200 300 400
0
1
2
3
T=-40°C
T=+25°C
T=+105°C
Vka = Vref
Vka Cathode voltage (V)
Ik Cathode current (µA)
10 100 1000 10000 100000 1000000
0
1
2
3
4
5
Vka=Vref
Ik=1mA
T=25°C
Zka Dynamic impedance (Ohms)
Frequency (Hz)