Datasheet

LT1004-1.2, LT1004-2.5
MICROPOWER INTEGRATED VOLTAGE REFERENCES
SLVS022M − JANUARY 1989 − REVISED MAY 2008
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
V
I
= 6.5 V to 15 V
V+
R
V−
LM334
5.6 kΩ
3
7
8
6
2
4
+
−
TLC271 V
O
= 5 V
150 pF
3.01 MΩ
1%
1%
1 MΩ
LT1004-1.2
Figure 18. Micropower 5-V Reference
Figure 19. Low-Noise Reference
Output
50 µF
22 Ω
V
I
≥ 5 V
+
LT1004-1.2
100 µA
Figure 20. Micropower Reference From 9-V Battery
9 V
510 kΩ
1.235 V
LT1004-1.2
R1
5 kΩ at 25°C
‡
1800 Ω
1684 Ω
187 Ω
LT1004-1.2
3 V
Lithium
+
−
100 kΩ
†
−
+
THERMOCOUPLE
TYPE
R1
J
K
T
S
232 kΩ
298 kΩ
301 kΩ
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