Datasheet

10
LT1389
+
–
+
LT1495
10k
1k10k
V
IN
≥ 3V
100k
20µF*
*WET SLUG TANTALUM
1389 TA04
510k
+
20µF*LT1389-2.5
1µF
2.5V
–
+
LT1389-1.25
1389 TA03
COMI
OUT
= 1µA
R1 TO R3: MAR5 SERIES, IRC [phone]
V
OUT
= 1.5V
R4
300k
5%
R1
200k
0.1%
R2
1M
0.1%
R3
249k
0.1%
2 AAA
ALKALINE
CELLS
1/2 LT1495
–
+
1/2 LT1495
ZTX214C
2.5V Output, Low Noise Reference
Micropower Voltage and Current Reference
TYPICAL APPLICATIO S
U