Datasheet

7
LTC1440/LTC1441/LTC1442
144012fd
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Comparator Output Voltage Low
vs Load Current
LTC1440/LTC1442
Hysteresis Control
V
REF
– V
HYST
(mV)
0
POSITIVE-TO-NEGATIVE INPUT VOLTAGE (mV)
30
50
1440/1/2 G09
10 20 40
80
60
40
20
0
–20
–40
–60
–80
OUTPUT HIGH
OUTPUT LOW
TEMPERATURE (°C)
–60
SUPPLY CURRENT (µA)
6
5
4
3
2
1
100
1440/1/2 G10
–20–40
20 40 80 1200
60
140
V
+
= 5V
V
–
= –5V
V
+
= 5V
V
–
= GND = 0V
V
+
= 3V
V
–
= GND = 0V
LTC1440
Supply Current vs Temperature
LOAD CURRENT (mA)
0
OUTPUT VOLTAGE LOW (V)
1.5
2.0
2.5
30 50 80
1440/1/2 G08
1.0
0.5
0
10 20
40
60 70
V
+
= 2V
V
+
= 3V
V
+
= 5V
T
A
= 25°C