LT1004-12 Datasheet, PDF (11/20 Pages) Texas Instruments – MICROPOWER INTEGRATED VOLTAGE REFERENCES

LT1004-1.2, LT1004-2.5
MICROPOWER INTEGRATED VOLTAGE REFERENCES
SLVS022J – JANUARY 1989 – REVISED AUGUST 2003
APPLICATION INFORMATION
V+
R
LM334
VI = 6.5 V to 15 V
V–
LT1004-1.2
1 MΩ
1%
5.6 kΩ
3
7
+
8
TLC271 ⁶
2–
4
150 pF
VO = 5 V
3.01 MΩ
1%
Figure 18. Micropower 5-V Reference
VI ≥ 5 V
100 µA
22 Ω
+
LT1004-1.2
Output
50 µF
Figure 19. Low-Noise Reference
9V
510 kΩ
1.235 V
LT1004-1.2
Figure 20. Micropower Reference From 9-V Battery
†
100 kΩ
3V
Lithium
LT1004-1.2
R1
1684 Ω
187 Ω
5 kΩ at 25°C‡
+
1800 Ω
THERMOCOUPLE
TYPE
R1
J
232 kΩ
K
298 kΩ
T
301 kΩ
S
2.1 MΩ
+
–
–
† _{Quiescent current ≅ 15 µA}
‡ _{Yellow Springs Inst. Co., Part #44007}
NOTE A: This application compensates within ±1°C from 0°C to 60°C.
Figure 21. Micropower Cold-Junction Compensation for Thermocouples
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