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MAX924ESE+T
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P17
MAX921–MAX924
Ultra Low-Power
,
Single/Dual-Supply Comparators
4
_______________________________________________________________________________________
T
ypical Operating Characteristics
(V+ = 5V, V- = GND, T
A
= +25°C, unless otherwise noted).
0.0
02
0
OUTPUT VOLTAGE LOW
vs. LOAD CURRENT
0.5
2.5
MAX921/4-TOC1
LOAD CURRENT (mA)
V
OL
(V)
12
1.5
1.0
48
1
6
2.0
V+ = 5V
V+ = 3V
1.5
01
0
3
0
5
0
OUTPUT VOLTAGE HIGH vs.
LOAD CURRENT
2.5
4.5
MAX921/924-TOC2
LOAD CURRENT (mA)
V
OH
(V)
20
40
3.5
5.0
2.0
4.0
3.0
V+ = 5V
V+ = 3V
1.155
0
5
15
25
REFERENCE OUTPUT VOLTAGE vs.
OUTPUT LOAD CURRENT
1.165
1.185
MAX921/924-TOC3
OUTPUT LOAD CURRENT (
μ
A)
REFERENCE OUTPUT VOLTAGE (V)
10
20
1.175
1.190
1.160
1.180
1.170
V+ = 5V
OR
V+ = 3V
30
SINK
SOURCE
ELECTRICAL CHARACTERISTICS: 3V OPERATION (continued)
(V+ = 3V, V- = GND = 0V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
Voltage Noise
C/E temp. ranges: I
OUT
= 10mA;
M temp. range: I
OUT
= 6mA
MIN TYP
MAX
UNITS
100Hz to 100kHz
100
µV
RMS
Input Common-Mode Voltage Range
V
V-
V+ – 1.3
MAX922/
MAX923
T
A
= +25°C, 100pF load
C/E temp. ranges: I
OUT
= 0.8mA;
M temp. range: I
OUT
= 0.6mA
C/E temp. ranges: I
OUT
= 0.8mA;
M temp. range: I
OUT
= 0.6mA
CONDITIONS
Common-Mode Rejection Ratio
0.2
1
mV/V
Power-Supply Rejection Ratio
V- to (V+ – 1.3V)
V+ = 2.5V to 11V
100Hz to 100kHz
0.1
1
mV/V
Voltage Noise
MAX921, MAX923
Overdrive = 10mV
Overdrive = 100mV
20
µV
RMS
Hysteresis Input Voltage Range
REF- 0.05V
REF
V
14
µs
Response Time
5
C temp. range
V
Output High Voltage
E temp. range
MAX92_
M temp. range
V+ – 0.4
T
A
= +25°C
V- + 0.4
V
15
25
µA
C/E temp. ranges
6
Source Current
M temp. range
4
T
A
= +25°C
GND + 0.4
Output Low Voltage
81
5
MAX921/
MAX924
µA
C/E temp. ranges
4
Sink Current
1.170
1.182
1.194
V
M temp. range
1.158
1.206
Reference Voltage
2
1.147
1.217
REFERENCE
MAX921-MAX924
Ultra Low-Power
,
Single/Dual-Supply Comparators
_______________________________________________________________________________________
5
1.22
1.14
-60
-20
60
140
REFERENCE VOLTAGE
vs. TEMPERATURE
1.16
1.20
MAX921/924-TOC4
TEMPERATURE (
°
C)
REFERENCE VOLTAGE (V)
20
100
1.18
1.21
1.15
1.19
1.17
-40
0
80
40
120
MILITARY TEMP. RANGE
EXTENDED TEMP. RANGE
COMMERCIAL
TEMP. RANGE
2.0
-60
140
MAX921
SUPPLY CURRENT vs.
TEMPERATURE
2.5
4.5
MAX921/924-TOC5
TEMPERATURE (
°
C)
SUPPLY CURRENT (
μ
A)
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
MAX922
SUPPLY CURRENT vs. TEMPERATURE
2.0
4.0
MAX921/924-TOC6
TEMPERATURE (
°
C)
SUPPLY CURRENT (
μ
A)
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
MAX923
SUPPLY CURRENT vs. TEMPERATURE
2.0
4.0
MAX921/924-TOC7
TEMPERATURE (
°
C)
SUPPLY CURRENT (
μ
A)
60
3.0
2.5
-20
20
100
3.5
V+ = 5V, V- = 0V
V+ = 3V, V- = 0V
80
-80
01
0
3
0
5
0
HYSTERESIS CONTROL
-40
40
MAX921/924 TOC10
V
REF
-V
HYST
(mV)
IN+ – IN- (mV)
20
40
0
60
-60
20
-20
NO CHANGE
OUTPUT LOW
OUTPUT HIGH
10
3
-60
140
MAX924
SUPPLY CURRENT vs. TEMPERATURE
4
8
MAX921/924-TOC8
TEMPERATURE (
°
C)
SUPPLY CURRENT (
μ
A)
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
MAX924
SUPPLY CURRENT vs.
LOW SUPPLY VOLTAGES
0.1
1
MAX921/924-TOC9
SINGLE-SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
μ
A)
1.5
5.0
0
-0.3
-0.1
0.3
TRANSFER FUNCTION
1.0
4.0
MAX921/924-TOC11
IN+ INPUT VOLTAGE (mV)
OUTPUT VOLTAGE (V)
0.1
3.0
2.0
4.5
0.5
3.5
2.5
1.5
-0.2
0
0.2
100k
V
0
10
μ
F
18
2
0
20
60
100
RESPONSE TIME vs.
LOAD CAPACITANCE
6
14
MAX921/924 TOC12
LOAD CAPACITANCE (nF)
RESPONSE TIME (
μ
s)
40
80
10
16
4
12
8
V
OLH
V- = 0V
V
OHL
T
ypical Operating Characteristics (continued)
(V+ = 5V, V- = GND, T
A
= +25°C, unless otherwise noted).
MAX921–MAX924
Ultra Low-Power
,
Single/Dual-Supply Comparators
6
_______________________________________________________________________________________
T
ypical Operating Characteristics (continued)
(V+ = 5V, V- = GND, T
A
= +25°C, unless otherwise noted).
-2
2
10
18
RESPONSE TIME FOR VARIOUS
INPUT OVERDRIVES
0
4
MAX921/924-TOC13
RESPONSE TIME (
μ
s)
OUTPUT VOLTAGE (V)
61
4
2
0
5
100
3
1
50mV
100mV
20mV
10mV
INPUT VOLTAGE (mV)
-2
2
10
18
RESPONSE TIME FOR VARIOUS
INPUT OVERDRIVES
0
4
MAX921/924-TOC14
RESPONSE TIME (
μ
s)
OUTPUT VOLTAGE (V)
61
4
2
0
5
100
3
1
50mV
100mV
20mV
10mV
INPUT VOLTAGE (mV)
10
0.01
1.0
2.0
2.5
MAX924 RESPONSE TIME
AT LOW SUPPLY VOLTAGES
0.1
1
MAX921/924-TOC15
SINGLE-SUPPLY VOLTAGE (V)
RESPONSE TIME (ms)
1.5
±
20mV OVERDRIVE
±
100mV
OVERDRIVE
100
0.1
1.0
2.0
2.5
MAX924 RESPONSE TIME
AT LOW SUPPLY VOLTAGES
1
10
MAX921/924-TOC16
SINGLE-SUPPLY VOLTAGE (V)
CURRENT (mA)
1.5
SINK CURRENT AT V
OUT
= 0.4V
SOURCE CURRENT INTO 0.75V LOAD
200
0
0
1.0
3.0
5.0
SHORT-CIRCUIT SOURCE CURRENT
vs. SUPPLY VOLTAGE
40
160
MAX121/124-TOC17
TOTAL SUPPLY VOLTAGE (V)
SOURCE CURRENT (mA)
2.0
4.0
120
80
20
60
180
140
100
OUT CONNECTED TO V-
20
0
01
0
SHORT-CIRCUIT SINK CURRENT
vs. SUPPLY VOLTAGE
MAX121/124-TOC18
TOTAL SUPPLY VOLTAGE (V)
SINK CURRENT (mA)
5
10
OUT CONNECTED TO V+
GND CONNECTED TO V-
PIN
MAX921
MAX922
MAX923
NAME
FUNCTION
1
–
–
GND
Ground. Connect to V- for single-supply operation. Output swings from V+ to GND.
–
1
OUTA
Comparator A output. Sinks and sources current. Swings from V+ to V-.
2
2
2
V-
Negative supply. Connect to ground for single-supply operation (MAX921).
1
3
–
–
IN+
Noninverting comparator input
–
3
3
INA+
Noninverting input of comparator A
4
–
–
IN-
Inverting comparator input
____________________________________________________________Pin Descriptions
–
4
–
INA-
Inverting input of comparator A
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P17
MAX924ESE+T
Mfr. #:
Buy MAX924ESE+T
Manufacturer:
Maxim Integrated
Description:
Analog Comparators Quad Comparator w/1% Precision Ref
Lifecycle:
New from this manufacturer.
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