AD7492 데이터 시트보기 (PDF) - Analog Devices

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AD7492

1.25 MSPS, 16 mW Internal REF and CLK, 12-Bit Parallel ADC

Analog Devices 

AD7492

Pin

Mnemonic

Function

20

DVDD

Digital Supply Voltage, 2.7 V to 5.25 V. This is the supply voltage for all digital circuitry on the AD7492 apart

from the output drivers and input circuitry. The DVDD and AVDD voltages should ideally be at the same

potential and must not be more than 0.3 V apart even on a transient basis. This supply should be decoupled

to DGND.

21

VDRIVE

Supply Voltage for the Output Drivers and Digital Input Circuitry, 2.7 V to 5.25 V. This voltage determines the

output high voltage for the data output pins and the trigger levels for the digital inputs. It allows the AVDD

and DVDD to operate at 5 V (and maximize the dynamic performance of the ADC) while the digital input and

output pins can interface to 3 V logic.

Rev. A | Page 9 of 24

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