Datasheet > TSM921CSA+

TSM921CSA+

更新时间： 2022-03-27 21:47:37

品牌	Logo	应用领域
TOUCHSTONE		比较器
页数	文件大小	规格书
19页	1315K
描述
Ultra-Low-Power, Single/Dual-Supply Comparators

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TSM921CSA+ 数据手册

TSM921-TSM924

Ultra-Low-Power, Single/Dual-Supply Comparators

FEATURES

DESCRIPTION

♦ Ultra-Low Quiescent Current Over Temperature

TSM921/TSM922: 4μA (total)

The TSM921–TSM924 family of single/dual/quad,

low-voltage, micropower analog comparators is

electrically and form-factor identical to the MAX921-

MAX924 family of analog comparators. Ideal for 3V or

5V single-supply applications, the TSM921–TSM924

family can operate from single +2.5V to +11V

supplies or from ±1.25V to ±5.5V dual supplies. The

single TSM921 and the dual TSM922 draw less than

4μA (max) supply current over temperature. The dual

TSM923 and the quad TSM924 draw less than 2.5μA

per comparator over temperature.

TSM923/TSM924: <2.5μA per comparator

♦ Single or Dual Power Supplies:

Single: +2.5V to +11V

Dual: ±1.25V to ±5.5V

♦ Input Voltage Range Includes Negative Supply

♦ 12μs Propagation Delay at 10mV Overdrive

♦ Push-pull TTL/CMOS-Compatible Outputs

♦ Crowbar-Current-Free Switching

♦ Continuous Source Current Capability: 40mA

♦ Internal 1.182V ±1% Reference:

TSM921/TSM923/TSM924

All comparators in this family exhibit an input voltage

range from the negative supply rail to within 1.3V of

the positive supply. In addition, the comparators’

push-pull output stages are TTL/CMOS compatible

and capable of sinking and sourcing current. The

TSM921/TSM923/TSM924 each incorporates an

internal 1.182V ±1% voltage reference. Without

complicated feedback configurations and only

requiring two additional resistors, adding external

hysteresis via a separate pin is available on the single

TSM921 and the dual TSM923.

♦ Adjustable Hysteresis: TSM921/TSM923

APPLICATIONS

Threshold Detectors

Window Comparator

Level Translators

Oscillator Circuits

Battery-Powered Systems

TYPICAL APPLICATION CIRCUIT

INTERNAL COMPARATORS INTERNAL

PART

REFERENCE PER PACKAGE HYSTERESIS

TSM921

TSM922

TSM923

TSM924

Yes

A 5V, Low-Parts-Count Window Detector

TEMPERATURE

RANGE

PART

PACKAGE

TSM921C

TSM921E

TSM922C

TSM922E

TSM923C

TSM923E

TSM924C

TSM924E

0ºC to 70ºC

-40ºC to 85ºC

0ºC to 70ºC

-40ºC to 85ºC

0ºC to 70ºC

-40ºC to 85ºC

0ºC to 70ºC

-40ºC to 85ºC

8-Pin MSOP/SOIC

16-Pin SOIC

The Touchstone Semiconductor logo is a registered

trademark of Touchstone Semiconductor, Incorporated.

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