Ultra Low-Power, Low-Cost
Comparators with 2% Reference
MAX931-MAX934
____________________________Typical Operating Characteristics (continued)
(V+ = 5V, V- = GND, T
A
= +25°C, unless otherwise noted.)
HYSTERESIS CONTROL
MAX921/924 TOC10
TRANSFER FUNCTION
MAX921/924-TOC11
RESPONSE TIME vs.
LOAD CAPACITANCE
16
RESPONSE TIME (µs)
14
12
10
8
6
4
2
V
OLH
V
OHL
MAX921/924 TOC12
80
60
OUTPUT HIGH
40
IN+ – IN- (V)
20
0
-20
-40
-60
-80
0
10
20
30
40
OUTPUT LOW
NO CHANGE
5.0
4.5
4.0
OUTPUT VOLTAGE (V)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
100k
10µF
V
0
18
50
-0.3
V
REF
-V
HYST
(mV)
0.1
0.2
-0.2 -0.1
0
IN+ INPUT VOLTAGE (mV)
0.3
0
20
40
60
80
100
LOAD CAPACITANCE (nF)
RESPONSE TIME FOR VARIOUS
INPUT OVERDRIVES
MAX921/924-TOC13
RESPONSE TIME FOR VARIOUS
INPUT OVERDRIVES
MAX921/924-TOC14
MAX934 RESPONSE TIME
AT LOW SUPPLY VOLTAGES
MAX921/924-TOC15
10
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
5
4
3
2
1
0
100mV
20mV
50mV
10mV
5
4
3
2
1
0
50mV
100mV
20mV
10mV
RESPONSE TIME (ms)
1
INPUT VOLTAGE (mV)
INPUT VOLTAGE (mV)
100
0
0.1
±100mV
OVERDRIVE
0.01
±20mV
OVERDRIVE
0
100
-2
2
6
10
14
18
-2
2
6
10
14
18
1.0
1.5
2.0
2.5
RESPONSE TIME (µs)
RESPONSE TIME (µs)
SINGLE-SUPPLY VOLTAGE (V)
MAX934 OUTPUT DRIVE
AT LOW SUPPLY VOLTAGES
MAX921/924-TOC16
SHORT-CIRCUIT SOURCE CURRENT
vs. SUPPLY VOLTAGE
MAX121/124-TOC17
SHORT-CIRCUIT SINK CURRENT
vs. SUPPLY VOLTAGE
OUT CONNECTED TO V+
GND CONNECTED TO V-
SINK CURRENT (mA)
20
MAX121/124-TOC18
100
SOURCE CURRENT INTO 0.75V LOAD
CURRENT (mA)
10
200
180
SOURCE CURRENT (mA)
160
140
120
100
80
60
40
OUT CONNECTED TO V-
1
10
SINK CURRENT AT V
OUT
= 0.4V
0.1
1.0
1.5
2.0
2.5
SINGLE-SUPPLY VOLTAGE (V)
20
0
0
1.0
2.0
3.0
4.0
5.0
TOTAL SUPPLY VOLTAGE (V)
0
0
5
TOTAL SUPPLY VOLTAGE (V)
10
6
_______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
