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LT1394CS8

7ns, Low Power, Single Supply, Ground-Sensing Comparator

Linear Technology 

LT1394

TYPICAL PERFORMANCE CHARACTERISTICS

tPD+ Response Time to

5mV Overdrive

1.4V

tPD– Response Time to

5mV Overdrive

1.4V

5mV

+ IN

– 95mV

VS = ±5V

fIN = 2MHz

VOD = 5mV

2ns/DIV

Q OUT

0V

1394 G17

5mV

+ IN

– 95mV

VS = ±5V

fIN = 2MHz

VOD = 5mV

2ns/DIV

Q OUT

0V

1394 G18

PIN FUNCTIONS

V+ (Pin 1): Positive Supply Voltage. Normally 5V.

+IN (Pin 2): Noninverting Input.

–IN (Pin 3): Inverting Input.

V– (Pin 4): Negative Supply Voltage. Normally either 0V or

– 5V.

LATCH ENABLE (Pin 5): Latch Control Pin. When high, the

outputs remain in a latched condition, independent of the

current state of the inputs.

GND (Pin 6): Ground.

Q OUT (Pin 7): Noninverting Logic Output. This pin is high

when +IN is above –IN and LATCH ENABLE is low.

Q OUT (Pin 8): Inverting Logic Output. This pin is low

when +IN is above –IN and LATCH ENABLE is low.

WU

W

TI I G DIAGRA S

VIN

VOUT

VOD

∆VIN

tPD

1394 TD01

LATCH

ENABLE

VIN

VOUT

tSU

tH

tLPD

1394 TD02

6

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