Owner's manual

MAX971–MAX974/MAX981–MAX984
Ultra-Low-Power, Open-Drain,
Single/Dual-Supply Comparators
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PARAMETER
Voltage Noise
MIN TYP MAX UNITS
100Hz to 100kHz 100 µV
RMS
MAX9_2/MAX9_3, I
OUT
= 1.8mA for C/E temp. ranges,
I
OUT
= 1.2mA for M temp. range
MAX9_1/MAX9_4, I
OUT
= 1.8mA for C/E temp. ranges,
I
OUT
= 1.2mA for M temp. range
CONDITIONS
C temp. range
E temp. range
M temp. range
T
A
= +25°C
V- + 0.4
V
15 25
µA
C/E temp. ranges 6
Source Current
M temp. range 4
GND + 0.4
Output Low Voltage
X
1.170 1.182 1.194
V
1.158 1.206
Reference Voltage
1.147 1.217
ELECTRICAL CHARACTERISTICS: 5V OPERATION (continued)
(V+ = 5V, V- = GND = 0V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
ELECTRICAL CHARACTERISTICS: 3V OPERATION
(V+ = 5V, V- = GND = 0V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
MAX982/
MAX9_3
MIN TYP MAX UNITS
MAX9_4
7.2
5.2 6.2
MAX9_1
8.0
Supply Current
HYST = REF,
IN+ = (IN- + 100mV)
IN+ = IN- = 1.5V
10.5
µA
2.4 3.0
MAX972
3.8
4.8
2.4 3.0
Input Offset Voltage
CONDITIONS
M temp. range
±10 mV
T
A
= +25°C
C/E temp. ranges
M temp. range
±0.01 ±5
nAInput Leakage Current (IN-, IN+)
±40
Input Leakage Current (HYST)
T
A
= +25°C
C/E temp. ranges
M temp. range
±0.02 nA
T
A
= +25°C
V
CM
= 1.5V
C/E temp. ranges
M temp. range
MAX9_1/MAX982/MAX9_3
C/E temp. ranges
M temp. range
T
A
= +25°C
C/E temp. ranges
3.8
4.8
3.4 4.3
5.8
V
OUT
= 11V 100 nAOutput Leakage Current
Input Common-Mode Voltage Range V- V+ - 1.3 V
Power-Supply Rejection Ratio 0.1 1 mV/VV+ = 2.5V to 11V
Common-Mode Rejection Ratio 0.2 1 mV/VV- to (V+ - 1.3V)
POWER REQUIREMENTS
COMPARATOR
T
A
= +25°C 815
µA
C/E temp. ranges 4
Sink Current
M temp. range 2
REFERENCE (MAX9_1/MAX982/MAX9_3/MAX9_4 ONLY)