SPX1004 Datasheet, PDF (4/5 Pages) Sipex Corporation – Precision Voltage Reference

APPLICATION CIRCUITS
V_IN
V_IN
3kΩ
OUT
SPX1004-1.2V
100kΩ
OUT
SPX1004-2.5V
V_IN
100k
22Ω
SPX1004-2.5V
OUT
50µF
Figure 9a. 1.2V Reference, Figure 9b. 2.5V Reference
V_IN
0.1µF
LM317
V_IN
V_OUT
Adj
200Ω
SPX1004-2.5V ^5k
OUT
+
10µF
R
≤
V- – 1V
0.015mA
Figure 10. Low Noise Reference
V_IN > 8V
LM338
V_IN
V_OUT
Adj
+
22µF
SPX1004-2.5V
5V OUT
976Ω, 1%
324Ω, 1%
Figure 11. Variable Output Regulator
Figure 12. High Stability 5V Regulator
86.7k
12V
500k
500k
LO = Battery Low
+
–
SPX1004-1.2
150pF
V_IN = 12V to 20V
1M
7
3₊
6
LM4250
2_–
8
4
22M
150pF ^3.5M
SPX1004-1.2
500k
Figure 13. Low Battery Detector
Figure 14. Micropower 10V Reference
Date: 5/25/04
SPX1004 1.2V/2.5V Micropower Voltage Reference
4
© Copyright 2004 Sipex Corporation