Datasheet

MAX971–MAX974/MAX981–MAX984
Ultra-Low-Power, Open-Drain,
Single/Dual-Supply Comparators
2 _______________________________________________________________________________________
V+ to V-, V+ to GND, GND to V-................................-0.3V, +12V
Inputs
Current: IN_+, IN_-, HYST..............................................20mA
Voltage: IN_+, IN_-, HYST ...............(V+ + 0.3V) to (V- - 0.3V)
Outputs
Current: REF...................................................................20mA
OUT_ ................................................................50mA
Voltage: REF ....................................(V+ + 0.3V) to (V- - 0.3V)
OUT_ (MAX9_1/9_4)..................12V to (GND - 0.3V)
(MAX9_2/9_3).......................12V to (V- - 0.3V)
OUT_ Short-Circuit Duration ..................................Continuous
Continuous Power Dissipation (T
A
= +70°C)
8-Bump UCSP (derate 4.7mW/°C above +70°C) ........379mW
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ...727mW
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin µMAX (derate 4.1mW/°C above +70°C) .............330mW
16-Pin Plastic DIP (derate 10.53mW/°C above +70°C)..842mW
16-Pin SO (derate 8.70mW/°C above +70°C) ................696mW
Operating Temperature Ranges
MAX97_C_ _/MAX98_C_ _..................................0°C to +70°C
MAX97_E_ _/MAX98_E_ _ ...............................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Bump Temperature (soldering)
Reflow ..........................................................................+235°C
ELECTRICAL CHARACTERISTICS—5V OPERATION
(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)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS
PARAMETER CONDITIONS MIN TYP MAX UNITS
POWER REQUIREMENTS
Supply Voltage Range (Note 2) 2.5 11 V
Output Voltage Range 0 11 V
T
A
= +25°C 2.5 3.2
MAX9_1,
HYST = REF
C/E temp ranges 4
T
A
= +25°C 2.5 3.2
MAX972
C/E temp ranges 4
T
A
= +25°C 3.1 4.5
MAX982/
MAX9_3,
HYST = REF
C/E temp ranges 6
T
A
= +25°C 5.5 6.5
Supply Current
IN+ = IN- +
100mV
MAX9_4
C/E temp ranges 8.5
µA
COMPARATOR
Input Offset Voltage V
CM
= 2.5V ±10 mV
Input Leakage Current (IN-, IN+) IN+ = IN- = 2.5V 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) 0.1 1.0 mV/V
Power-Supply Rejection Ratio V+ = 2.5V to 11V 0.1 1.0 mV/V
Voltage Noise 100Hz to 100kHz 20 µV
RMS
Hysteresis Input Voltage Range MAX9_1/MAX982/MAX9_3 REF - 0.05 REF V
Overdrive = 10mV 12
Response Time (High-to-Low
Transition)
T
A
= +25°C, 100pF load,
1MΩ pullup to V+
Overdrive = 100mV 4
µs
Response Time (Low-to-High
Transition) (Note 3)
T
A
= +25°C, 100pF load, 1MΩ pullup to V+ 300 µs