Datasheet
MAX971–MAX974/MAX981–MAX984
Ultra-Low-Power, Open-Drain,
Single/Dual-Supply Comparators
_______________________________________________________________________________________ 5
2.0
-60 140
MAX9_1
SUPPLY CURRENT vs.
TEMPERATURE
2.5
4.5
MAX971-4/981-4 TOC4
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
60
3.5
3.0
-20 20 100
4.0
V+ = 5V, V- = - 5V
V+ = 3V, V- = 0V
V+ = 5V, V- = 0V
IN+ = IN- + 100mV
4.5
1.5
-60 140
MAX972
SUPPLY CURRENT vs. TEMPERATURE
2.0
4.0
MAX971-4/981-4 TOC5
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
60
3.0
2.5
-20 20 100
3.5
IN+ = (IN- + 100mV)
V+ = 5V, V- = 0V
V+ = 3V, V- = 0V
V+ = 10V, V- = 0V
4.5
5.0
-60 140
MAX982/MAX9_3
SUPPLY CURRENT vs. TEMPERATURE
2.0
4.0
MAX971-4/981-4 TOC6
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
60
3.0
2.5
-20 20 100
3.5
V+ = 5V, V- = 0V
V+ = 3V, V- = 0V
10
3
-60 140
MAX9_4
SUPPLY CURRENT vs. TEMPERATURE
4
8
MAX971-4/981-4 TOC7
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
60
6
5
-20 20 100
7
9
IN+ = (IN- + 100mV)
V+ = 5V, V- = 0V
V+ = 3V, V- = 0V
V+ = 5V, V- = -5V
10
0.01
1.0 2.0 2.5
MAX9_4
SUPPLY CURRENT vs.
LOW SUPPLY VOLTAGES
0.1
1
MAX971-4/981-4 TOC8
SINGLE-SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
1.5
80
-80
010 30 50
MAX9_1/MAX982/MAX9_3
HYSTERESIS CONTROL
-40
40
MAX971-4/981-4 TOC9
V
REF
- V
HYST
(mV)
IN+ - IN- (V)
20 40
0
60
-60
20
-20
NO CHANGE
OUTPUT LOW
OUTPUT HIGH
__________________________________________Typical Operating Characteristics
(V+ = 5V, V- = GND = 0V, T
A
= +25°C, unless otherwise noted.)
0
020
OUTPUT VOLTAGE LOW
vs. LOAD CURRENT
0.5
2.5
MAX971-4/981-4-TOC1
LOAD CURRENT (mA)
V
OL
(V)
12
1.5
1.0
48 16
2.0
V+ = 5V
V+ = 3V
1.155
0 5 15 25
REFERENCE OUTPUT VOLTAGE vs.
OUTPUT LOAD CURRENT
1.165
1.185
MAX971-4/981-4 TOC2
OUTPUT LOAD CURRENT (µA)
REFERENCE OUTPUT VOLTAGE (V)
10 20
1.175
1.190
1.160
1.180
1.170
V+ = 5V
OR
V+ = 3V
30
SINK
SOURCE
1.22
1.14
-60 -20 60 140
MAX971/MAX973/MAX974
REFERENCE VOLTAGE vs. TEMPERATURE
1.16
1.20
MAX971-4/981-4 TOC3
TEMPERATURE (°C)
REFERENCE VOLTAGE (V)
20 100
1.18
1.21
1.15
1.19
1.17
-40 0 8040 120
EXTENDED TEMP RANGE
COMMERCIAL
TEMP RANGE