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AD7821 - 8-Bit ADC

Datasheet Summary

Description

The AD7821 is a high speed, 8-bit, sampling, analog-to-digital converter that offers improved performance over the popular AD7820.

It offers a conversion time of 660 ns (versus 1.36 µs for the AD7820) and 100 kHz signal bandwidth (versus 6.4 kHz).

Features

  • Fast Conversion Time: 660 ns Max 100 kHz Track-and-Hold Function 1 MHz Sample Rate Unipolar and Bipolar Input Ranges Ratiometric Reference Inputs No External Clock Extended Temperature Range Operation Skinny 20-Lead DlPs, SOIC, and 20-Terminal Surface-Mount Packages LC2MOS High Speed, ␮P Compatible 8-Bit ADC with Track/Hold Function AD7821.

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Datasheet Details

Part number AD7821
Manufacturer Analog Devices
File Size 286.46 KB
Description 8-Bit ADC
Datasheet download datasheet AD7821 Datasheet
Additional preview pages of the AD7821 datasheet.

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Other Datasheets by Analog Devices
  • AD7820 - 8-BIT ADC
  • AD7822 - 3 V/5 V/ 2 MSPS/ 8-Bit/ 1-/ 4-/ 8-Channel Sampling ADCs
  • AD7823 - 8-Bit ADC
  • AD7824 - High Speed 4- and 8-Channel 8-Bit ADCs
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  • AD7827 - 3 V/5 V/ 1 MSPS/ 8-Bit/ Serial Interface Sampling ADC
  • AD7828 - High Speed 4- and 8-Channel 8-Bit ADCs
  • AD7829 - 3 V/5 V/ 2 MSPS/ 8-Bit/ 1-/ 4-/ 8-Channel Sampling ADCs

Full PDF Text Transcription

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a FEATURES Fast Conversion Time: 660 ns Max 100 kHz Track-and-Hold Function 1 MHz Sample Rate Unipolar and Bipolar Input Ranges Ratiometric Reference Inputs No External Clock Extended Temperature Range Operation Skinny 20-Lead DlPs, SOIC, and 20-Terminal Surface-Mount Packages LC2MOS High Speed, ␮P Compatible 8-Bit ADC with Track/Hold Function AD7821 FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION The AD7821 is a high speed, 8-bit, sampling, analog-to-digital converter that offers improved performance over the popular AD7820. It offers a conversion time of 660 ns (versus 1.36 µs for the AD7820) and 100 kHz signal bandwidth (versus 6.4 kHz). The sampling instant is better defined and occurs on the falling edge of WR or RD.
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