MAX922 Maxim, MAX922 Datasheet - Page 6

• Manufacturer Part Number: MAX922
• Description: The MAX921–MAX924 single, dual, and quad micropower, low-voltage comparators feature the lowest power consumption available
• Manufacturer: Maxim

Ultra Low-Power,
Single/Dual-Supply Comparators
(V+ = 5V, V- = GND, T
6
____________________________________________________________Pin Descriptions
MAX921
100
100
0.1
10
_______________________________________________________________________________________
5
3
1
1
–
2
3
–
4
–
4
2
0
0
1
1.0
-2
100mV
SINK CURRENT AT V
50mV
SOURCE CURRENT INTO 0.75V LOAD
RESPONSE TIME FOR VARIOUS
MAX922
AT LOW SUPPLY VOLTAGES
SINGLE-SUPPLY VOLTAGE (V)
MAX924 RESPONSE TIME
2
PIN
1
2
3
4
–
–
–
INPUT OVERDRIVES
RESPONSE TIME (μs)
1.5
6
A
MAX923
= +25°C, unless otherwise noted).
20mV
OUT
10
–
1
2
–
3
–
–
= 0.4V
2.0
14
10mV
NAME
OUTA
INA+
GND
INA-
IN+
2.5
IN-
18
V-
100
200
180
160
140
120
100
Typical Operating Characteristics (continued)
80
60
40
20
5
4
3
2
1
0
0
0
Ground. Connect to V- for single-supply operation. Output swings from V+ to GND.
Comparator A output. Sinks and sources current. Swings from V+ to V-.
Negative supply. Connect to ground for single-supply operation (MAX921).
Noninverting comparator input
Noninverting input of comparator A
Inverting comparator input
Inverting input of comparator A
-2
0
50mV
100mV
SHORT-CIRCUIT SOURCE CURRENT
OUT CONNECTED TO V-
RESPONSE TIME FOR VARIOUS
1.0
TOTAL SUPPLY VOLTAGE (V)
2
vs. SUPPLY VOLTAGE
INPUT OVERDRIVES
RESPONSE TIME (μs)
2.0
6
3.0
20mV
10mV
10
4.0
14
5.0
FUNCTION
18
0.01
0.1
10
20
10
1
0
1.0
0
OVERDRIVE
OUT CONNECTED TO V+
±100mV
GND CONNECTED TO V-
SHORT-CIRCUIT SINK CURRENT
AT LOW SUPPLY VOLTAGES
SINGLE-SUPPLY VOLTAGE (V)
MAX924 RESPONSE TIME
TOTAL SUPPLY VOLTAGE (V)
vs. SUPPLY VOLTAGE
1.5
±20mV OVERDRIVE
5
2.0
2.5
10