Datasheet > LTC1441IS

LTC1441IS

更新时间： 2024-11-21 01:09:19

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
16页	258K
描述
Ultralow Power Single/Dual Comparator with Reference

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中文翻译

获取价格

数据手册

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LTC1441IS 数据手册

LTC1440/LTC1441/LTC1442

Ultralow Power Single/Dual

Comparator with Reference

DESCRIPTIO

FEATURES

The LTC^®1440/LTC1441/LTC1442 are ultralow power

single and dual comparators with built-in references. The

comparators feature less than 3.7µA supply current over

temperature (LTC1440), a 1.182V ±1% reference, pro-

grammablehysteresis(LTC1440/LTC1442)andTTL/CMOS

outputsthatsinkandsourcecurrent. Thereferenceoutput

can drive a bypass capacitor of up to 0.01µF without

oscillation.

■

Ultralow Quiescent Current: 2.1

A Typ (LTC1440)

■

Reference Output Drives 0.01

µF Capacitor

■

Adjustable Hysteresis (LTC1440/LTC1442)

Wide Supply Range:

Single: 2V to 11V

Dual: ±1V to ±5.5V

■

Input Voltage Range Includes the Negative Supply

TTL/CMOS Compatible Outputs

12µs Propagation Delay with 10mV Overdrive

No Crowbar Current

40mA Continuous Source Current

Pin Compatible Upgrades for MAX921/922/923

3mm x 3mm x 0.75mm DFN Package (LTC1440)

The comparators operate from a single 2V to 11V supply

or a dual ±1V to ±5.5V supply (LTC1440). Comparator

hysteresis is easily programmed by using two resistors

andtheHYSTpin(LTC1440/LTC1442).Eachcomparator’s

input operates from the negative supply to within 1.3V of

the positive supply. The comparator output stage can

continuously source up to 40mA. By eliminating the

cross-conductingcurrentthatnormallyhappenswhenthe

comparatorchangeslogicstates,thepowersupplyglitches

are eliminated.

APPLICATIO S

■

Battery-Powered System Monitoring

■

Threshold Detectors

■

Window Comparators

Oscillator Circuits

■

The LTC1440 is available in 8-pin PDIP, SO, MSOP and

DFN packages. The LTC1441/LTC1442 are available in

8-pin PDIP and SO packages.

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

TYPICAL APPLICATIO

Micropower 2.9V V Threshold Detector

LTC1440 Supply Current vs Temperature

3.3V

5.0

= 5V

–

= GND = 0V

4.5

4.0

3.5

3.0

2.5

2.0

1.5

1.65M

–

1.13M

OUT

HYST

REF

LTC1440

TEMPERATURE (°C)

80 100

–40 –20

–

GND

1440/1/2 TA02

1440 TA01

144012fd

12 3 4 5 6 7...16

中文翻译

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与LTC1441IS相关器件

型号	品牌	获取价格	描述	数据表
LTC1441IS8	Linear	获取价格	Ultralow Power Single/Dual Comparator with Reference
LTC1441IS8#PBF	Linear	获取价格	LTC1441 - Ultralow Power Single/Dual Comparator; Package: SO; Pins: 8; Temperature Range:
LTC1441IS8#TR	Linear	获取价格	LTC1441 - Ultralow Power Single/Dual Comparator; Package: SO; Pins: 8; Temperature Range:
LTC1441IS8#TRPBF	Linear	获取价格	LTC1441 - Ultralow Power Single/Dual Comparator; Package: SO; Pins: 8; Temperature Range:
LTC1442	Linear	获取价格	Ultralow Power Single/Dual Comparator with Reference
LTC1442	ADI	获取价格	具基准的超低功率单通道 / 双通道比较器
LTC1442_15	Linear	获取价格	Ultralow Power Single/Dual Comparator with Reference
LTC1442CN8	Linear	获取价格	Ultralow Power Single/Dual Comparator with Reference
LTC1442CN8#PBF	Linear	获取价格	LTC1442 - Ultralow Power Single/Dual Comparator with Reference; Package: PDIP; Pins: 8; Te
LTC1442CN8#TR	Linear	获取价格	Comparator, 2 Func, 10000uV Offset-Max, 5000ns Response Time, CMOS, PDIP8

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