Datasheet > LT1671

LT1671

更新时间： 2023-12-20 18:45:42

品牌	Logo	应用领域
亚德诺 - ADI		比较器
页数	文件大小	规格书
12页	208K
描述
60ns、低功率、单电源、接地检测比较器

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中文翻译

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数据手册

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LT1671 数据手册

LT1671

60ns, Low Power,

Single Supply, Ground-Sensing

Comparator

FEATURES

DESCRIPTIO

TheLT^®1671isalowpower60nscomparatorwithcomple-

mentary outputs and latch. The input common mode

range extends from 1.5V below the positive supply down

to the negative supply rail. Like the LT1394, LT1016 and

LT1116, this comparator has complementary outputs

designed to interface directly to TTL or CMOS logic. The

LT1671mayoperatefromeitherasingle5Vsupplyordual

±5V supplies. Low offset voltage specifications and high

gainallowtheLT1671tobeusedinprecisionapplications.

■

Low Power: 450µA

■

Fast: 60ns at 20mV Overdrive

85ns at 5mV Overdrive

Low Offset Voltage: 0.8mV

Operates Off Single 5V or Dual ±5V Supplies

Input Common Mode Extends to Negative Supply

No Minimum Input Slew Rate Requirement

Complementary TTL Outputs

■

Inputs Can Exceed Supplies without Phase Reversal

Pin Compatible with LT1394, LT1016 and LT1116

Output Latch Capability

The LT1671 is designed for improved speed and stability

for a wide range of operating conditions. The output stage

provides active drive in both directions for maximum

speed into TTL, CMOS or passive loads with minimal

cross-conduction current. Unlike other fast comparators,

the LT1671 remains stable even for slow transitions

through the active region, which eliminates the need to

specify a minimum input slew rate.

Available in 8-Lead MSOP and SO Packages

APPLICATIO S

■

High Speed A/D Converters

■

Zero-Crossing Detectors

■

Current Sense for Switching Regulators

The LT1671 has an internal, TTL/CMOS compatible latch

for retaining data at the outputs. The latch holds data as

long as the LATCH pin is held high. Device parameters

such as gain, offset and negative power supply current are

not significantly affected by variations in negative supply

voltage.

■

Extended Range V/F Coverters

■

Fast Pulse Height/Width Discriminators

■

High Speed Triggers

Line Receivers

High Speed Sampling Circuits

■

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

TYPICAL APPLICATIO

Propagation Delay vs Overdrive

140

1MHz Crystal Oscillator

= ±5V

= 100mV

STEP

120

100

= 25°C

= 1M

1MHz CRYSTAL

(AT-CUT)

FALLING EDGE (t

)

PDHL

LT1671

OUTPUT

–

RISING EDGE (t

)

PDLH

0.068µF

1671 TA01

OVERDRIVE (mV)

1671 TA02

12 3 4 5 6 7...12

中文翻译

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与LT1671相关器件

型号	品牌	获取价格	描述	数据表
LT1671CMS8	Linear	获取价格	60ns, Low Power, Single Supply, Ground-Sensing Comparator
LT1671CMS8#PBF	Linear	获取价格	LT1671 - 60ns, Low Power,Single Supply, Ground-Sensing Comparator; Package: MSOP; Pins: 8;
LT1671CMS8#TR	Linear	获取价格	暂无描述
LT1671CS8	Linear	获取价格	60ns, Low Power, Single Supply, Ground-Sensing Comparator
LT1671CS8#PBF	Linear	获取价格	暂无描述
LT1671CS8#TR	Linear	获取价格	LT1671 - 60ns, Low Power,Single Supply, Ground-Sensing Comparator; Package: SO; Pins: 8; T
LT1671CS8#TRPBF	Linear	获取价格	LT1671 - 60ns, Low Power,Single Supply, Ground-Sensing Comparator; Package: SO; Pins: 8; T
LT1671IS8	Linear	获取价格	60ns, Low Power, Single Supply, Ground-Sensing Comparator
LT1671IS8#TR	Linear	获取价格	LT1671 - 60ns, Low Power,Single Supply, Ground-Sensing Comparator; Package: SO; Pins: 8; T
LT1671IS8#TRPBF	Linear	获取价格	LT1671 - 60ns, Low Power,Single Supply, Ground-Sensing Comparator; Package: SO; Pins: 8; T

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