MAX984CSE(1995) データシートの表示（PDF） - Maxim Integrated
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MAX984CSE Datasheet PDF : 16 Pages
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19-0450; Rev 0; 11/95
Ultra-Low-Power, Open-Drain,
Single/Dual-Supply Comparators
_______________General Description
The MAX971–MAX974 and MAX981–MAX984 single/
dual/quad low-voltage comparators feature the lowest
power consumption available. These micropower
devices draw less than 4µA supply current over
temperature (MAX971/MAX972, MAX981/MAX982), and
include an internal 1.182V ±1% (MAX971/MAX973/
MAX974) or ±2% (MAX981–MAX984) voltage reference
and programmable hysteresis.
Ideal for 3V or 5V single-supply applications, these
devices operate from a single +2.5V to +11V supply (or
±1.25V to ±5.5V dual supplies), and each comparator’s
input voltage ranges from the negative supply rail to within
1.3V of the positive supply.
The single MAX971 and MAX981 and the dual MAX973
and MAX982/MAX983 provide a unique, simple method
for adding hysteresis without feedback or complicated
equations, simply by using the HYST pin plus two
resistors.
The MAX971–MAX974 and MAX981–MAX984’s open-
drain outputs permit wire-ORed configurations. Thanks to
an 11V output range and separate GND pin for the output
transistor (MAX971/MAX974, MAX981/MAX984), these
devices are ideal for level translators and bipolar to single-
ended converters. For similar devices with complementary
output stages, see the MAX921–MAX924 (1% reference)
and the MAX931–MAX934 (2% reference).
____________________________Features
o µMAX Package—Smallest 8-Pin SO
(MAX9_1/MAX9_2/MAX9_3)
o Ultra-Low 4µA Max Quiescent Current
Over Extended Temp. Range (MAX971/MAX981)
o Power Supplies: Single +2.5V to +11V
Dual ±1.25V to ±5.5V
o Input Voltage Range Includes Negative Supply
o Internal 1.182V ±1% Bandgap Reference
o 12µs Propagation Delay (10mV Overdrive)
o Output Has Separate GND Pin (MAX9_1/MAX9_4)
________________________Applications
Battery-Powered Systems
Level Translators
Threshold Detectors
Oscillator Circuits
Window Comparators
______________Ordering Information
PART
MAX971CPA
MAX971CSA
MAX971CUA
MAX971C/D
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
8 Plastic DIP
8 SO
8 µMAX
Dice*
Ordering Information continued at end of data sheet.
* Dice are tested at TA = +25°C, DC parameters only.
__________Typical Operating Circuit
MAX971
1%
1
Yes
8-Pin
DIP/SO/µMAX
MAX972 None
2
No
8-Pin
DIP/SO/µMAX
MAX973
1%
2
Yes
8-Pin
DIP/SO/µMAX
MAX974
1%
4
No 16-Pin DIP/SO
VIN
7
V+
3 IN+
4 IN-
OUT 8
MAX981
2%
MAX982
2%
MAX983
2%
1
Yes
8-Pin
DIP/SO/µMAX
2
Yes
8-Pin
DIP/SO/µMAX
2
Yes
8-Pin
DIP/SO/µMAX
5 HYST
6 REF
V-
2
MAX971
MAX981
GND
1
MAX984
2%
4
No 16-Pin DIP/SO
THRESHOLD DETECTOR
________________________________________________________________ Maxim Integrated Products 1
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