TS822
Reference voltage versus cathode current
15
Cathode current (mA)
Minimum operating current
3
2.5
Cathode voltage (V)
10
T=+25擄C
2
1.5
1
0.5
T=+85擄C
T=-40擄C
5
0
-5
-0.5
0
0.5
1
1.5
2
2.5
Cathode voltage (V)
0
0
20
Cathode current (碌A(chǔ))
40
Reference voltage versus Temperature
Testcircuit
2.56
Cathode voltage (V)
+2%
+1%
R
Ik=(Vin-Vref)/R
Vout=Vref
2.54
2.52
2.5
2.48
2.46
2.44
-40
-20
0
Vin
-1%
-2%
20
40
60
80
Temperature (擄C)
Static impedance (Rka) versus
temperature
0.2
Static impedance (Ohms)
Noise voltage (nV/VHz)
Noise voltage versus Frequency
1500
C
L
=100碌F
C
L
=10碌F
1000
C
L
=1碌F
500
C
L
=100nF
C
L
=0
0
0.15
0.1
0.05
0
-40
-20
0
20
40
Temperature (擄C)
60
80
0.1
1.0
10.0
100.0
Frequency (KHz)
1000.0
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