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MAX921CSA Datasheet

  • MAX921CSA

  • Maxim Integrated Products [Ultra Low-Power, Single/Dual-Sup...

  • 141.26KB

  • MAXIM

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19-0115; Rev 3; 3/95
Ultra Low-Power,
Single/Dual-Supply Comparators
_______________General Description
The MAX921鈥揗AX924 single, dual, and quad micro-
power, low-voltage comparators feature the lowest
power consumption available. These comparators draw
less than 4碌A supply current over temperature
(MAX921/MAX922), and include an internal 1.182V
卤1% voltage reference, programmable hysteresis, and
TTL/CMOS outputs that sink and source current.
Ideal for 3V or 5V single-supply applications, the
MAX921鈥揗AX924 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 swings from the
negative supply rail to within 1.3V of the positive
supply.
The MAX921鈥揗AX924鈥檚 unique output stage con-
tinuously sources as much as 40mA. And by eliminating
power-supply glitches that commonly occur when com-
parators change logic states, the MAX921鈥揗AX924
minimize parasitic feedback, which makes them easier to
use.
The single MAX921 and dual MAX923 provide a unique
and simple method for adding hysteresis without
feedback and complicated equations, simply by using
the HYST pin and two resistors.
COMPARATORS
PER
PACKAGE
____________________________Features
o
碌MAX Package鈥擲mallest 8-Pin SO
(MAX921/MAX922/MAX923)
o
Ultra-Low 4碌A Max Quiescent Current
Over Extended Temp. Range (MAX921)
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1% 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
MAX921鈥揗AX924
______________Ordering Information
PART
MAX921CPA
MAX921CSA
MAX921CUA
MAX921C/D
MAX921EPA
MAX921ESA
MAX921MJA
TEMP. RANGE
0掳C to +70掳C
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
-55掳C to +125掳C
PIN-PACKAGE
8 Plastic DIP
8 SO
8 碌MAX
Dice*
8 Plastic DIP
8 SO
8 CERDIP**
INTERNAL 1%
PRECISION
REFERENCE
INTERNAL
HYSTERESIS
PACKAGE
PART
MAX921
MAX922
MAX923
MAX924
Yes
No
Yes
Yes
1
2
2
4
Yes
No
Yes
No
8-Pin
DIP/SO/碌MAX
8-Pin
DIP/SO/碌MAX
8-Pin
DIP/SO/碌MAX
16-Pin
DIP/SO/碌MAX
Ordering Information continued at end of data sheet.
* Dice are tested at T
A
= +25掳C, DC parameters only.
** Contact factory for availability and processing to MIL-STD-883.
__________Typical Operating Circuit
V
IN
7
V+
3 IN+
OUT 8
4 IN-
________________________Applications
Battery-Powered Systems
Threshold Detectors
Window Comparators
Oscillator Circuits
5 HYST
6 REF
V-
2
MAX921
GND
1
THRESHOLD DETECTOR
________________________________________________________________
Maxim Integrated Products
1
Call toll free 1-800-998-8800 for free samples or literature.

MAX921CSA PDF文件相关型号

MAX922C/D,MAX923C/D,MAX923CPA,MAX924C/D

MAX921CSA 产品属性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 100

  • 集成电路 (IC)

  • 线性 - 比较器

  • -

  • 带电压基准

  • 1

  • CMOS，TTL

  • 2.5 V ~ 11 V，±1.25 V ~ 5.5 V

  • 10mV @ 5V

  • -

  • 50mA

  • 5µA

  • 80dB CMRR，80dB PSRR

  • 12µs

  • 50mV

  • 0°C ~ 70°C

  • 8-SOIC（0.154"，3.90mm 宽）

  • 表面贴装

  • 管件

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