8
LTC2900
2900f
–
+
–
+
–
+
–
+
2
10
1
9
V1
V2
V3
RESISTIVE
DIVIDER
MATRIX
V4
6
GND
A/D
BUFFER
1.210V
7
V
PG
8
V
REF
5 3
PBR CRT
C
RT
2900 DB-1
BANDGAP
REFERENCE
ADJUSTABLE
RESET PULSE
GENERATOR
POWER
DETECT
V1
V2
V
CC
4
RST
LTC2900-1
V2
6µA
22µA
10µA
2µA
V
CC
V
CC
LTC2900-2
4
RST
V2
BLOCK DIAGRA
W
