LTC1443IDHD#TRPBF

更新时间： 2024-11-20 12:58:23

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凌特 - Linear		比较器
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LTC1443/LTC1444/LTC1445

Ultralow Power Quad

Comparators with Reference

FEATURES

DESCRIPTIO

■

Ultralow Quiescent Current: 8.5

µA Max

TheLTC^®1443/LTC1444/LTC1445areultralowpowerquad

comparators with a built-in reference. The comparators

feature less than 8.5µA supply current over temperature,

an internal reference (1.182V ±1% for LTC1443 or 1.221V

±1% for LTC1444/LTC1445), programmable hysteresis

(LTC1444/LTC1445) and TTL/CMOS output (LTC1443/

LTC1445) that sinks and sources current (open-drain

output for LTC1444). The reference output can drive a

bypass capacitor of up to 0.01µF without oscillation.

■

Wide Supply Range

Single: 2V to 11V

Dual: ±1V to ±5.5V

Input Voltage Range Includes the Negative Supply

Reference Output Drives 0.01µF Capacitor

Adjustable Hysteresis (LTC1444/LTC1445)

TTL/CMOS Compatible Outputs

Propagation Delay: 12µs (Typ) (10mV Overdrive)

No Crowbar Current

■

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

or a dual ±1V to ±5.5V supply (LTC1443). Comparator

hysteresisiseasilyprogrammableusingtworesistorsand

the HYST pin (LTC1444/LTC1445). Each comparator’s

input operates from the negative supply to within 1.3V of

the positive supply. The LTC1443/LTC1445 comparator

output stage can continuously source up to 40mA. By

eliminating the cross-conducting current that normally

happenswhenthecomparatorchangeslogicstates,power

supply glitches are eliminated.

40mA Continuous Source Current

Pin Compatible Upgrades for MAX924 (LTC1443)

APPLICATIO S

■

Battery-Powered System Monitoring

■

Threshold Detectors

■

Window Comparators

Oscillator Circuits

■

The LTC1443/LTC1444/LTC1445 are available in the

16-pin SO and PDIP packages.

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

TYPICAL APPLICATIO

Reference Settling Test Circuit

Reference Settling

V⁺

3.4M

TO 8V

IN A

–

V_REF

OUT

–

IN A

HYST

REF

1.21M

10k

OUT

LTC1445

2ms/DIV

–

2.4M

LTC1443/1444/1445 • TA02

430Ω

1.0µF

LTC1443/44/45 • TA01

12 3 4 5 6 7...12

中文翻译

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LTC1443IDHD#TRPBF 替代型号

型号	品牌	替代类型	描述	数据表
LTC1443IDHD#PBF	Linear	完全替代	LTC1443 - Ultralow Power Quad Comparators with Reference; Package: DFN; Pins: 16; Temperat

与LTC1443IDHD#TRPBF相关器件

型号	品牌	获取价格	描述	数据表
LTC1443IN	Linear	获取价格	Ultralow Power Quad Comparators with Reference
LTC1443IN#PBF	Linear	获取价格	LTC1443 - Ultralow Power Quad Comparators with Reference; Package: PDIP; Pins: 16; Tempera
LTC1443IN#TR	Linear	获取价格	IC QUAD COMPARATOR, 10000 uV OFFSET-MAX, 5000 ns RESPONSE TIME, PDIP16, 0.300 INCH, PLASTI
LTC1443IN#TRPBF	Linear	获取价格	IC QUAD COMPARATOR, 10000 uV OFFSET-MAX, 5000 ns RESPONSE TIME, PDIP16, 0.300 INCH, LEAD F
LTC1443IS	Linear	获取价格	Ultralow Power Quad Comparators with Reference
LTC1443IS#PBF	Linear	获取价格	LTC1443 - Ultralow Power Quad Comparators with Reference; Package: SO; Pins: 16; Temperatu
LTC1443IS#TR	Linear	获取价格	LTC1443 - Ultralow Power Quad Comparators with Reference; Package: SO; Pins: 16; Temperatu
LTC1444	Linear	获取价格	Ultralow Power Quad Comparators with Reference
LTC1444	ADI	获取价格	具基准的超低功率、四通道比较器
LTC1444_15	Linear	获取价格	Ultralow Power Quad Comparators with Reference

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