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LT1004-1.2 Datasheet, PDF (9/21 Pages) Texas Instruments – MICROPOWER INTEGRATED VOLTAGE REFERENCES | |||
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LT1004Ä1.2, LT1004Ä2.5
MICROPOWER INTEGRATED VOLTAGE REFERENCES
SLVS022L â JANUARY 1989 â REVISED OCTOBER 2006
TYPICAL CHARACTERISTICSâ
LT1004x-2.5
REFERENCE IMPEDANCE
vs
1000
REFERENCE CURRENT
ÃÃÃÃÃÃ f = 25 Hz
ÃÃÃÃÃÃÃÃÃÃÃà TA = â55°C to 125°C
100
LT1004x-2.5
NOISE VOLTAGE
vs
FREQUENCY
1400
ÃÃÃÃÃÃÃÃ 1200
IZ = 100 µA
TA = 25°C
1000
800
10
600
400
1
200
0.1
0.01
0.1
1
10
100
IZ â Reference Current â mA
Figure 12
TL1004x-2.5
FILTERED OUTPUT NOISE VOLTAGE
vs
CUTOFF FREQUENCY
120
IZ = 100 µA
ÃÃÃà TA = 25°C
ÃÃÃÃ 100
80
100 µA
R
ÃÃÃÃÃÃÃÃÃÃ RC Low Pass
60
C
40
0
10
100
1k
10 k
100 k
f â Frequency â Hz
Figure 13
LT1004x-2.5
TRANSIENT RESPONSE
4
3
Output
2
24 kâ¦
1
VI
VO
0
20
0
0.1
1
10
Cutoff Frequency â kHz
Figure 14
5
Input
0
100
0
100
500
t â Time â µs
Figure 15
â Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.
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