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MAX931CSA Datasheet

  • MAX931CSA

  • Maxim Integrated Products [Ultra Low-Power, Low-Cost Compar...

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  • MAXIM   MAXIM

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19-0194; Rev 1; 2/97
Ultra Low-Power, Low-Cost
Comparators with 2% Reference
_______________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 4碌A supply current
over temperature (MAX931), and include an internal
1.182V 卤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 卤1.25V to 卤5V dual supply), and each
comparator鈥檚 input voltage range extends from the
negative supply rail to within 1.3V of the positive supply.
The MAX931-MAX934鈥檚 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.
INTERNAL COMPARATORS
INTERNAL
2%
PER
HYSTERESIS
REFERENCE
PACKAGE
PACK-
AGE
____________________________Features
o
Ultra-Low 4碌A Max Quiescent Current
Over Extended Temp. Range (MAX931)
o
Power Supplies:
Single +2.5V to +11V
Dual 卤1.25V to 卤5.5V
o
Input Voltage Range Includes Negative Supply
o
Internal 1.182V 卤2% Bandgap Reference
o
Adjustable Hysteresis
o
TTL-/CMOS-Compatible Outputs
o
12碌s Propagation Delay (10mV Overdrive)
o
No Switching Crowbar Current
o
40mA Continuous Source Current
o
Available in Space-Saving 碌MAX Package
MAX931-MAX934
______________Ordering Information
PART
MAX931CPA
MAX931CSA
MAX931CUA
MAX931EPA
MAX931ESA
TEMP. RANGE
0掳C to +70掳C
0掳C to +70掳C
0掳C to +70掳C
-40掳C to +85掳C
-40掳C to +85掳C
PIN-PACKAGE
8 Plastic DIP
8 SO
8 碌MAX
8 Plastic DIP
8 SO
PART
MAX931
Yes
1
Yes
8-Pin
DIP/SO/
碌MAX
8-Pin
DIP/SO/
碌MAX
8-Pin
DIP/SO/
碌MAX
16-Pin
DIP/SO
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.
MAX932
Yes
2
Yes
__________Typical Operating Circuit
V
IN
7
3 IN+
V+
OUT 8
4 IN-
MAX933
Yes
2
Yes
MAX934
Yes
4
No
________________________Applications
Battery-Powered Systems
Threshold Detectors
Window Comparators
Oscillator Circuits
Alarm Circuits
5 HYST
6 REF
V-
2
MAX931
GND
1
THRESHOLD DETECTOR
1
________________________________________________________________
Maxim Integrated Products
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

MAX931CSA PDF文件相关型号

MAX933CPA,MAX934CSE

MAX931CSA 产品属性

  • Maxim Integrated Products

  • 1 Channel

  • Complementary

  • 3.2 uA

  • + 70 C

  • SMD/SMT

  • SOIC-8

  • Tube

  • 0 C

  • 12 us

  • 11 V

  • 2.5 V

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