LT1720 datasheet(17/28 Pages) LINER

Part #	LT1720

Description	Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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17

LT1720/LT1721

APPLICATIONS INFORMATION

5V

–

+

U1A

1/4 LT1721

X

51

Ω*

R8*

4.53k

5V

1720/21 F12

0.1

µF

C1

5.6pF

0.33

µF

R9

487

Ω*

+

–

U1B

1/4 LT1721

+

–

U1C

1/4 LT1721

Y

1V

X

0V

51

Ω*

C2

540pF

**

R7

261

Ω*

Z

–

+

U1D

1/4 LT1721

301

Ω*

R5

1.82k*

R6

301

Ω*

5V

R4

30

Ω*

R3

1

Ω*

VOFF

R2

1k*

475

Ω*

L

301

Ω*

301

Ω*

RESULT OF X AND NOT Y

+

–

R1

499

Ω*

DELAY

CAPTURE

OPTIONAL LOGARITHMIC PULSE STRETCHER (SEE TEXT)

VC

VIN

1N5711

DELAY DETECTOR

1V

Y

0V

5V

Z

0V

* 1% METAL FILM RESISTOR

** 270pF

×2 FOR REDUCED LEAD INDUCTANCE

Figure 12. 3ns Delay Detector with Logarithmic Pulse Stretcher

Figure 13. Output Pulse Due to Delay of Y Input Pulse

X

Y

Z

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Similar Description - LT1720

Manufacturer	Part #	Datasheet	Description
Linear Technology	LT1721	273Kb / 28P	Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
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LT1720 Datasheet(PDF) 17 Page - Linear Technology

LT1720 Datasheet(HTML) 17 Page - Linear Technology

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