LT1721IGN

更新时间： 2024-10-02 22:09:55

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
28页	320K
描述
Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs

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数据手册
替代型号

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LT1721IGN 数据手册

LT1720/LT1721

Dual/Quad,

4.5ns, Single Supply

3V/5V Comparators

with Rail-to-Rail Outputs

FEATURES

DESCRIPTIO

The LT^®1720/LT1721 are UltraFast^TMdual/quad compara-

tors optimized for single supply operation, with a supply

voltage range of 2.7V to 6V. The input voltage range extends

from100mVbelowgroundto1.2Vbelowthesupplyvoltage.

Internal hysteresis makes the LT1720/LT1721 easy to use

even with slow moving input signals. The rail-to-rail outputs

directly interface to TTL and CMOS. Alternatively, the sym-

metric output drive can be harnessed for analog applications

or for easy translation to other single supply logic levels.

■

UltraFast: 4.5ns at 20mV Overdrive

7ns at 5mV Overdrive

■

Low Power: 4mA per Comparator

■

Optimized for 3V and 5V Operation

■

Pinout Optimized for High Speed Ease of Use

■

Input Voltage Range Extends 100mV

Below Negative Rail

■

TTL/CMOS Compatible Rail-to-Rail Outputs

■

Internal Hysteresis with Specified Limits

■

Low Dynamic Current Drain; 15µA/(V-MHz),

The LT1720 is available in the 8-pin MSOP and SO packages;

three pins per comparator plus power and ground. The

LT1721 is available in the 16-pin SSOP and S packages.

Dominated by Load In Most Circuits

APPLICATIO S

ThepinoutsoftheLT1720/LT1721minimizeparasiticeffects

byplacingthemostsensitiveinputs(inverting)awayfromthe

outputs, shieldedbythepowerrails. TheLT1720/LT1721are

ideal for systems where small size and low power are

paramount.

■

High Speed Differential Line Receiver

■

Crystal Oscillator Circuits

■

Window Comparators

Threshold Detectors/Discriminators

Pulse Stretchers

Zero-Crossing Detectors

High Speed Sampling Circuits

■

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

UltraFast is a trademark of Linear Technology Corporation.

■

TYPICAL APPLICATIO

2.7V to 6V Crystal Oscillator with TTL/CMOS Output

Propagation Delay vs Overdrive

2.7V TO 6V

25°C

1MHz TO 10MHz

= 100mV

= 10pF

STEP

LOAD

CRYSTAL (AT-CUT)

= 5V

RISING EDGE

220Ω

)

PDLH

620Ω

GROUND

CASE

FALLING EDGE

)

PDHL

OUTPUT

1/2 LT1720

–

1.8k

1720/21 TA01

0.01µF

OVERDRIVE (mV)

1720/21 TA02

12 3 4 5 6 7...28

中文翻译

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LT1721IGN 替代型号

型号	品牌	替代类型	描述	数据表
LT1721CGN#PBF	Linear	类似代替	LT1721 - Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs; Package:

与LT1721IGN相关器件

型号	品牌	获取价格	描述	数据表
LT1721IGN#PBF	Linear	获取价格	LT1721 - Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs; Package:
LT1721IGN#TR	Linear	获取价格	LT1721 - Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs; Package:
LT1721IS	Linear	获取价格	Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
LT1721IS#PBF	Linear	获取价格	LT1721 - Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs; Package:
LT1721IS#TRPBF	Linear	获取价格	LT1721 - Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs; Package:
LT1722	Linear	获取价格	Single, Dual, Quad 200MHz Low Noise Precision Op Amps
LT1722	ADI	获取价格	单通道、200MHz、低噪声、精准运算放大器
LT1722_15	Linear	获取价格	Single, Dual, Quad 200MHz Low Noise Precision Op Amps
LT1722CS5	Linear	获取价格	Single, Dual, Quad 200MHz Low Noise Precision Op Amps
LT1722CS5#PBF	Linear	获取价格	LT1722 - Single 200MHz Low Noise Precision Op Amps; Package: SOT; Pins: 5; Temperature Ran

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