LM385LPE3-2-5 Datasheet, PDF (5/18 Pages) Texas Instruments – MICROPOWER VOLTAGE REFERENCES

LM285Ć2.5, LM385Ć2.5, LM385BĆ2.5
MICROPOWER VOLTAGE REFERENCES
SLVS023J − JANUARY 1989 − REVISED MARCH 2005
TYPICAL CHARACTERISTICS^†
1000
REFERENCE IMPEDANCE
vs
REFERENCE CURRENT
f = 25 Hz
TA = MIN to MAX‡
100
REFERENCE IMPEDANCE
vs
FREQUENCY
10 k
IZ = 100 µA
TA = 25°C
1k
100
10
10
1
1
0.1
0.01
0.1
1
10
Iz − Reference Current − mA
Figure 5
1400
1200
NOISE VOLTAGE
vs
FREQUENCY
IZ = 100 µA
TA = 25°C
1000
800
600
400
200
0
10
100
1k
10 k
f − Frequency − Hz
Figure 7
100
100 k
0.1
0.01
0.1
1
10
100
f − Frequency − kHz
Figure 6
1000
FILTERED RMS OUTPUT NOISE VOLTAGE
vs
FREQUENCY
120
100 µA
TA = 25°C
100
RC Low Pass
R
C
80
60
40
20
0
0.1
1
10
100
f − Frequency − kHz
Figure 8
† _{Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.}
‡ _{For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.}
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