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MAX931CSA+ 产品设计参考手册 - Maxim Integrated（美信）
制造商:
Maxim Integrated（美信）
分类:
比较器
封装:
SOIC-8
描述:
MAXIM INTEGRATED PRODUCTS MAX931CSA+ 模拟比较器, 微功率, 1, 12 µs, 2.5V 至 11V, ± 1.25V 至 ± 5.5V, SOIC, 8 引脚
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MAX931CSA+数据手册
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_______________General Description
The MAX931-MAX934 single, dual, and quad micropower,
low-voltage comparators plus an on-board 2% accurate
reference feature the lowest power consumption available.
These comparators draw less than 4µA supply current
over temperature (MAX931), and include an internal
1.182V ±2% voltage reference, programmable hysteresis,
and TTL/CMOS outputs that sink and source current.
Ideal for 3V or 5V single-supply applications, the
MAX931-MAX934 operate from a single +2.5V to +11V
supply (or a ±1.25V to ±5V dual supply), and each
comparator’s input voltage range extends from the
negative supply rail to within 1.3V of the positive supply.
The MAX931-MAX934’s unique output stage continuously
sources as much as 40mA. And by eliminating power-
supply glitches that commonly occur when comparators
change logic states, the MAX931-MAX934 minimize
parasitic feedback, which makes them easier to use.
The single MAX931 and dual MAX932/MAX933 provide a
unique and simple method for adding hysteresis without
feedback and complicated equations, using the HYST pin
and two resistors.
For applications that require increased precision with
similar power requirements, see the MAX921-MAX924 data
sheet. These devices include a 1% precision reference.
________________________Applications
Battery-Powered Systems
Threshold Detectors
Window Comparators
Oscillator Circuits
Alarm Circuits
____________________________Features
♦ Ultra-Low 4µA Max Quiescent Current
Over Extended Temp. Range (MAX931)
♦ Power Supplies:
Single +2.5V to +11V
Dual ±1.25V to ±5.5V
♦ Input Voltage Range Includes Negative Supply
♦ Internal 1.182V ±2% Bandgap Reference
♦ Adjustable Hysteresis
♦ TTL-/CMOS-Compatible Outputs
♦ 12µs Propagation Delay (10mV Overdrive)
♦ No Switching Crowbar Current
♦ 40mA Continuous Source Current
♦ Available in Space-Saving µMAX Package
MAX931-MAX934
Ultra Low-Power, Low-Cost
Comparators with 2% Reference
________________________________________________________________
Maxim Integrated Products
1
MAX931
OUT
V-
GND
V+
21
8
3
4
5
6
7
THRESHOLD DETECTOR
V
IN
IN+
IN-
HYST
REF
__________Typical Operating Circuit
19-0194; Rev 1; 2/97
8 SO-40°C to +85°CMAX931ESA
8 µMAX0°C to +70°CMAX931CUA
8 SO0°C to +70°CMAX931CSA
8 Plastic DIP0°C to +70°C
MAX931CPA
PIN-PACKAGETEMP. RANGEPART
16-Pin
DIP/SO
No4YesMAX934
8-Pin
DIP/SO/
µMAX
Yes2YesMAX933
8-Pin
DIP/SO/
µMAX
Yes2YesMAX932
8-Pin
DIP/SO/
µMAX
Yes1YesMAX931
PACK-
AGE
INTERNAL
HYSTERESIS
COMPARATORS
PER
PACKAGE
INTERNAL
2%
REFERENCE
PART
Ordering Information continued on last page.
For similar devices guaranteed over the military temp. range, see
the MAX921-MAX924 data sheet. The MAX931, MAX933, and
MAX934 are pin-compatible with the 1% accurate MAX921,
MAX923, and MAX924, respectively. The MAX932 and
MAX922 are not
pin-compatible.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
8 Plastic DIP-40°C to +85°CMAX931EPA
______________Ordering Information
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