Datasheet

MAX971–MAX974/MAX981–MAX984
Ultra-Low-Power, Open-Drain,
Single/Dual-Supply Comparators
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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.) (Note 1)
ELECTRICAL CHARACTERISTICS—3V OPERATION
(V+ = 3V, V- = GND = 0V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER CONDITIONS MIN TYP MAX UNITS
MAX9_2/MAX9_3, I
OUT
= 1.8mA V- + 0.4
Output Low Voltage
MAX9_1/MAX9_4, I
OUT
= 1.8mA
GND
+ 0.4
V
Output Leakage Current V
OUT
= 11V 100 nA
REFERENCE (MAX9_1/MAX982/MAX9_3/MAX9_4 ONLY)
C temp range 1% 1.170 1.182 1.194
MAX971/MAX973/
MAX974
E temp range 2% 1.158 1.206
C temp range 2% 1.158 1.182 1.206
Reference Voltage
MAX981–MAX984
E temp range 3% 1.147 1.217
V
T
A
= +25°C1525
Source Current
C/E temp ranges 6
µA
T
A
= +25°C815
Sink Current
C/E temp ranges 4
µA
Voltage Noise 100Hz to 100kHz 100 µV
RMS
PARAMETER CONDITIONS MIN TYP MAX UNITS
POWER REQUIREMENTS
T
A
= +25°C 2.4 3.0
MAX9_1
C/E temp ranges 3.8
T
A
= +25°C 2.4 3.0
MAX972
C/E temp ranges 3.8
T
A
= +25°C 3.4 4.3
MAX982/
MAX9_3
C/E temp ranges 5.8
T
A
= +25°C 5.2 6.2
Supply Current
HYST = REF,
IN+ = (IN- +
100mV)
MAX9_4
C/E temp ranges 8.0
µA
COMPARATOR
Input Offset Voltage V
CM
= 1.5V ±10 mV
Input Leakage Current (IN-, IN+) IN+ = IN- = 1.5V C/E temp ranges ±0.01 ±5 nA
Input Leakage Current (HYST) MAX9_1/MAX982/MAX9_3 ±0.02 nA
Input Common-Mode Voltage
Range
V- V+ - 1.3 V
Common-Mode Rejection Ratio V- to (V+ - 1.3V) 0.2 1 mV/V
Power-Supply Rejection Ratio V+ = 2.5V to 11V 0.1 1 mV/V
Voltage Noise 100Hz to 100kHz 20 µV
RMS
Hysteresis Input Voltage Range MAX9_1/MAX982/MAX9_3 REF - 0.05 REF V