ꢀ ꢁ ꢂ ꢃꢄ ꢅ ꢀ ꢁ ꢂ ꢃꢄ ꢆꢅ ꢀꢁ ꢂ ꢃ ꢄꢇ ꢅ ꢀꢁ ꢂ ꢃ ꢈꢅ ꢀꢁ ꢂ ꢃ ꢈꢆꢅ ꢀ ꢁꢂ ꢃ ꢈ ꢇ
ꢆ ꢉꢊꢋ ꢌꢀꢆ ꢇ ꢁꢍ ꢎ ꢏꢍ ꢐꢑ ꢌꢑ ꢒ ꢓ ꢌ ꢔꢋꢓ ꢀ ꢏꢍ ꢕ ꢋꢁ ꢆꢀꢒ ꢏꢌ
SLVS543A – AUGUST 2004 − REVISED AUGUST 2004
†
TYPICAL CHARACTERISTICS
RATIO OF DELTA REFERENCE VOLTAGE TO
DELTA CATHODE VOLTAGE
vs
OFF-STATE CATHODE CURRENT
vs
FREE-AIR TEMPERATURE
FREE-AIR TEMPERATURE
− 0.85
− 0.95
−1.05
−1.15
−1.25
−1.35
−1.45
2.5
V
= 36 V
= 0
KA
V
= 3 V to 36 V
KA
V
ref
2
1.5
1
0.5
0
−75 −50 −25
0
25
50
75 100 125
−75 −50 −25
0
25
50
75 100 125
T
A
− Free-Air Temperature − °C
T
A
− Free-Air Temperature − °C
Figure 9
Figure 10
EQUIVALENT INPUT NOISE VOLTAGE
vs
FREQUENCY
260
240
220
200
I
T
= 10 mA
= 25°C
O
A
180
160
140
120
100
10
100
1 k
10 k
100 k
f − Frequency − Hz
Figure 11
†
Data at high and low temperatures is applicable only within the recommended operating free-air temperature ranges of the various devices.
18
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TI [ TEXAS INSTRUMENTS ]
