LT1721IS 데이터 시트보기 (PDF) - Linear Technology

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LT1721IS

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

Linear Technology 

LT1720/LT1721

APPLICATIONS INFORMATION

INPUT

VREF

VCC

+

909Ω

U1A

1/4 LT1721

–

215Ω

681Ω

4.22k

VCC

1k

VCC

750Ω

1.37k

100pF

681Ω

453Ω

VCC

+

U1B

1/4 LT1721

–

+

U1C

1/4 LT1721

–

+

U1D

1/4 LT1721

–

Figure 16. 10ns Triple Overlap Generator

5V

2.2k

2.2k

OUTPUTS

10ns

10ns

10ns

10ns

1720/21 F16

SAMPLE

COMMAND

20

INPUT

±100mV FULL SCALE

= 1N5711

= CA3039 DIODE ARRAY

(SUBSTRATE TO – 5V)

1.5k

3.6k

AC BALANCE

3pF

+

1k

LT1227

–

5V

0.1µF

CIN

SKEW

2k COMP

10pF

2.5k

2k

+

1/2 LT1720

–

+

1/2 LT1720

–

CIN

1.1k

1.1k

MRF501

820Ω

1.1k

1.1k

MRF501

DC BALANCE

11

500Ω

8

680Ω

96

820Ω

LM3045

10

13

7

51Ω

51Ω

–5V

1720/21 F17

Figure 17. Fast Waveform Sampler Using the LT1720 for Timing-Skew Compensation

OUTPUT

±1V FULL SCALE

909Ω

100Ω

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