Ultra Low-Power,
Single/Dual-Supply Comparators
MAX921-MAX924
Typical Operating Characteristics (continued)
(V+ = 5V, V- = GND, T
A
= +25°C, unless otherwise noted).
REFERENCE VOLTAGE
vs. TEMPERATURE
MAX921/924-TOC4
MAX921
SUPPLY CURRENT vs.
TEMPERATURE
MAX921/924-TOC5
MAX922
SUPPLY CURRENT vs. TEMPERATURE
IN+ = (IN- + 100mV)
4.0
SUPPLY CURRENT (μA)
3.5
V+ = 10V, V- = 0V
3.0
2.5
V+ = 5V, V- = 0V
2.0
V+ = 3V, V- = 0V
1.5
MAX921/924-TOC6
1.22
1.21
REFERENCE VOLTAGE (V)
1.20
1.19
1.18
1.17
1.16
1.15
MILITARY TEMP. RANGE
EXTENDED TEMP. RANGE
COMMERCIAL
TEMP. RANGE
4.5
IN+ = (IN- + 100mV)
SUPPLY CURRENT (μA)
4.0
V+ = 5V, V- = - 5V
4.5
3.5
3.0
V+ = 3V, V- = 0V
2.5
V+ = 5V, V- = 0V
1.14
-60 -40 -20 0
20 40 60 80 100 120 140
TEMPERATURE (°C)
2.0
-60
-20
20
60
100
140
TEMPERATURE (°C)
-60
-20
20
60
100
140
TEMPERATURE (°C)
MAX923
SUPPLY CURRENT vs. TEMPERATURE
MAX921/924-TOC7
MAX924
SUPPLY CURRENT vs. TEMPERATURE
MAX921/924-TOC8
MAX924
SUPPLY CURRENT vs.
LOW SUPPLY VOLTAGES
MAX921/924-TOC9
5.0
4.5
SUPPLY CURRENT (μA)
4.0
V+ = 5V, V- = 0V
3.5
3.0
2.5
V+ = 3V, V- = 0V
2.0
-60
-20
20
60
100
10
IN+ = (IN- + 100mV)
9
SUPPLY CURRENT (μA)
8
7
6
5
4
3
V+ = 5V, V- = 0V
V+ = 3V, V- = 0V
V+ = 5V, V- = -5V
10
SUPPLY CURRENT (μA)
140
1
0.1
0.01
-60
-20
20
60
100
1.0
1.5
2.0
2.5
TEMPERATURE (°C)
SINGLE-SUPPLY VOLTAGE (V)
140
TEMPERATURE (°C)
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- = 0V
MAX921/924 TOC12
80
60
OUTPUT HIGH
40
IN+ – IN- (mV)
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
V
OHL
50
-0.3
V
REF
-V
HYST
(mV)
0.2
0.1
-0.2 -0.1
0
IN+ INPUT VOLTAGE (mV)
0.3
0
20
40
60
80
100
LOAD CAPACITANCE (nF)
_______________________________________________________________________________________
5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
