Datasheet > LT1394

LT1394

更新时间： 2024-11-22 22:55:51

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
16页	216K
描述
7ns, Low Power, Single Supply, Ground-Sensing Comparator

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LT1394 数据手册

LT1394

7ns, Low Power,

Single Supply, Ground-Sensing

Comparator

FEATURES

DESCRIPTIO

UltraFast^TM: 7ns

The LT^®1394 is an UltraFast(7ns) comparator with comple-

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 LT1016, LT1116 and LT1671,

this comparator has complementary outputs designed to

interface directly to TTL or CMOS logic. The LT1394 may

operate from either a single 5V supply or dual ±5V supplies.

Low offset voltage specifications and high gain allow the

LT1394 to be used in precision applications.

■

Low Power: 6mA

■

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 LT1016, LT1116 and LT1671

■

Output Latch Capability

Available in 8-Lead MSOP and SO Packages

The LT1394 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

intoTTL,CMOSorpassiveloadswithminimalcross-conduc-

tion current. Unlike other fast comparators, the LT1394

remains stable even for slow transitions through the active

region,whicheliminatestheneedtospecifyaminimuminput

slew rate.

■

APPLICATIO S

■

High Speed A/D Converters

■

Zero-Crossing Detectors

■

Current Sense for Switching Regulators

■

Extended Range V/F Coverters

■

Fast Pulse Height/Width Discriminators

The LT1394 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,

offsetandnegativepowersupplycurrentarenotsignificantly

affected by variations in negative supply voltage.

■

High Speed Triggers

Line Receivers

High Speed Sampling Circuits

■

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

UltraFast is a trademark of Linear Technology Corporation.

TYPICAL APPLICATIO

45MHz Single Supply Adaptive Trigger

Propagation Delay vs

Input Overdrive

= 25°C

STEP

= ±5V

= 100mV

500pF

–

0.005µF

–

LT1227

PDLH

LT1006

PDHL

0.005µF

Q1, Q2, Q3, Q4 = CA3096 ARRAY:

TIE SUBSTRATE (PIN 16) TO GROUND

= 1N4148

750Ω

0.1µF

510Ω

36Ω

470Ω

0.1µF

10µF

100µF

OVERDRIVE (mV)

TRIGGER

OUT

0.1µF

LT1394

1394 TA02

470Ω

–

INPUT

1394 F18

12 3 4 5 6 7...16

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与LT1394相关器件

型号	品牌	获取价格	描述	数据表
LT1394CMS8	Linear	获取价格	7ns, Low Power, Single Supply, Ground-Sensing Comparator
LT1394CMS8#PBF	Linear	获取价格	暂无描述
LT1394CMS8#TR	Linear	获取价格	LT1394 - 7ns, Low Power, Single Supply, Ground-Sensing Comparator; Package: MSOP; Pins: 8;
LT1394CS8	Linear	获取价格	7ns, Low Power, Single Supply, Ground-Sensing Comparator
LT1394CS8#TR	Linear	获取价格	LT1394 - 7ns, Low Power, Single Supply, Ground-Sensing Comparator; Package: SO; Pins: 8; T
LT1394CS8#TRPBF	Linear	获取价格	LT1394 - 7ns, Low Power, Single Supply, Ground-Sensing Comparator; Package: SO; Pins: 8; T
LT1394IS8	Linear	获取价格	7ns, Low Power, Single Supply, Ground-Sensing Comparator
LT1394IS8#PBF	Linear	获取价格	LT1394 - 7ns, Low Power, Single Supply, Ground-Sensing Comparator; Package: SO; Pins: 8; T
LT1394IS8#TR	Linear	获取价格	LT1394 - 7ns, Low Power, Single Supply, Ground-Sensing Comparator; Package: SO; Pins: 8; T
LT1394IS8#TRPBF	Linear	获取价格	LT1394 - 7ns, Low Power, Single Supply, Ground-Sensing Comparator; Package: SO; Pins: 8; T

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