AD6645 Просмотр технического описания (PDF) - Analog Devices

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AD6645

14-Bit, 80 MSPS/105 MSPS A/D Converter

Analog Devices 

AD6645

EQUIVALENT CIRCUITS

VCH AVCC

AIN

BUF

VCL

VCH AVCC

500Ω

500Ω

BUF

AIN

BUF

T/H

VREF

T/H

VCL

Figure 32. Analog Input Stage

ENCODE

AVCC

AVCC

10kΩ

10kΩ

LOADS

AVCC

AVCC

10kΩ

10kΩ

ENCODE

LOADS

Figure 33. Encode Inputs

AVCC

VREF

AVCC

AVCC

CURRENT

MIRROR

C1, C2

Figure 34. Compensation Pin, C1 or C2

DVCC

CURRENT

MIRROR

DVCC

VREF

D0 TO D13,

OVR, DRY

CURRENT

MIRROR

Figure 35. Digital Output Stage

2.4V

AVCC

AVCC

100µA

VREF

Figure 36. 2.4 V Reference

10kΩ

DVCC

DMID

10kΩ

Figure 37. DMID Reference

Rev. D | Page 14 of 24

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