Ult ra Lo w -P o w e r,
S in g le /Du a l-S u p p ly Co m p a ra t o rs
__________________________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s
(V+ = 5V, V- = GND, T = +25°C, unless otherwise noted).
A
RESPONSE TIME FOR VARIOUS
INPUT OVERDRIVES
RESPONSE TIME FOR VARIOUS
INPUT OVERDRIVES
MAX924 RESPONSE TIME
AT LOW SUPPLY VOLTAGES
10
5
5
4
3
4
3
100mV
50mV
10mV
1
20mV
100mV
2
1
2
1
20mV
50mV
10mV
0
100
0
0
±20mV OVERDRIVE
0.1
±100mV
OVERDRIVE
0
100
1–MAX924
0.01
-2
2
6
10
14
18
1.0
1.5
2.0
2.5
-2
2
6
10
14
18
RESPONSE TIME (µs)
SINGLE-SUPPLY VOLTAGE (V)
RESPONSE TIME (µs)
SHORT-CIRCUIT SOURCE CURRENT
vs. SUPPLY VOLTAGE
SHORT-CIRCUIT SINK CURRENT
vs. SUPPLY VOLTAGE
MAX924 RESPONSE TIME
AT LOW SUPPLY VOLTAGES
200
100
OUT CONNECTED TO V+
GND CONNECTED TO V-
180
160
140
120
100
80
OUT CONNECTED TO V-
SOURCE CURRENT INTO 0.75V LOAD
20
10
1
10
0
60
40
20
SINK CURRENT AT V
OUT
= 0.4V
2.0
0
0.1
0
1.0
2.0
3.0
4.0
5.0
0
5
10
1.0
1.5
2.5
TOTAL SUPPLY VOLTAGE (V)
TOTAL SUPPLY VOLTAGE (V)
SINGLE-SUPPLY VOLTAGE (V)
____________________________________________________________P in De s c rip t io n s
PIN
NAME
FUNCTION
MAX921 MAX922 MAX923
1
–
2
3
–
4
–
–
1
2
–
3
–
4
–
1
2
–
3
–
–
GND
OUTA
V-
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
IN+
INA+
IN-
Noninverting input of comparator A
Inverting comparator input
INA-
Inverting input of comparator A
6
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
