MAX921CSA Datasheet

IC型號(hào)：
MAX921CSA
PDF描述：
Maxim Integrated Products [Ultra Low-Power, Single/Dual-Sup...
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芯片廠家：
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(chǔ) supply current over temperature

(MAX921/MAX922), and include an internal 1.182V

鹵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 鹵1.25V to 鹵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

碌MAX Package鈥擲mallest 8-Pin SO

(MAX921/MAX922/MAX923)

Ultra-Low 4碌A(chǔ) Max Quiescent Current

Over Extended Temp. Range (MAX921)

Power Supplies:

Single +2.5V to +11V

Dual 鹵1.25V to 鹵5.5V

Input Voltage Range Includes Negative Supply

Internal 1.182V 鹵1% Bandgap Reference

Adjustable Hysteresis

TTL/CMOS-Compatible Outputs

12碌s Propagation Delay (10mV Overdrive)

No Switching Crowbar Current

40mA Continuous Source Current

MAX921鈥揗AX924

______________Ordering Information

PART

MAX921CPA

MAX921CSA

MAX921CUA

MAX921C/D

MAX921EPA

MAX921ESA

MAX921MJA

TEMP. RANGE

0擄C to +70擄C

-40擄C to +85擄C

-55擄C to +125擄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

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

= +25擄C, DC parameters only.

** Contact factory for availability and processing to MIL-STD-883.

__________Typical Operating Circuit

V+

3 IN+

OUT 8

4 IN-

________________________Applications

Battery-Powered Systems

Threshold Detectors

Window Comparators

Oscillator Circuits

5 HYST

6 REF

V-

MAX921

GND

THRESHOLD DETECTOR

________________________________________________________________

Maxim Integrated Products

Call toll free 1-800-998-8800 for free samples or literature.

MAX921CSA PDF文件相關(guān)型號(hào)

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

MAX921CSA 產(chǎn)品屬性

產(chǎn)品培訓(xùn)模塊
Lead (SnPb) Finish for COTSObsolescence Mitigation Program
標(biāo)準(zhǔn)包裝
100
類別
集成電路 (IC)
家庭
線性 - 比較器
系列
-
類型
帶電壓基準(zhǔn)
元件數(shù)
1
輸出類型
CMOS，TTL
電壓 - 電源，單路/雙路(±)
2.5 V ~ 11 V，±1.25 V ~ 5.5 V
電壓 - 輸入偏移（最小值）
10mV @ 5V
電流 - 輸入偏壓（最小值）
-
電流 - 輸出（標(biāo)準(zhǔn)）
50mA
電流 - 靜態(tài)（最大值）
5µA
CMRR, PSRR（標(biāo)準(zhǔn)）
80dB CMRR，80dB PSRR
傳輸延遲（最大）
12µs
磁滯
50mV
工作溫度
0°C ~ 70°C
封裝/外殼
8-SOIC（0.154"，3.90mm 寬）
安裝類型
表面貼裝
包裝
管件

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