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AD7822 - 3 V/5 V/ 2 MSPS/ 8-Bit/ 1-/ 4-/ 8-Channel Sampling ADCs

Description

CONTROL LOGIC COMP 2.5V REF VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 VIN7 VIN8 BUF VREFIN/REFOUT INPUT MUX T/H 8-BIT HALF FLASH ADC DB7 PARALLEL PORT DB0 VMID A0, A1 A2 PD VIN2 TO VIN4 VIN4 TO VIN8 AGND DGND CS RD AD7825/AD7829 AD7829 A

Features

  • 8-Bit Half-Flash ADC with 420 ns Conversion Time 1, 4 and 8 Single-Ended Analog Input Channels Available with Input Offset Adjust On-Chip Track-and-Hold SNR Performance Given for Input Frequencies Up to 10 MHz On-Chip Reference (2.5 V) Automatic Power-Down at the End of Conversion Wide Operating Supply Range 3 V ؎ 10% and 5 V ؎ 10% Input Ranges 0 V to 2 V p-p, VDD = 3 V ؎ 10% 0 V to 2.5 V p-p, V DD = 5 V ؎ 10% Flexible Parallel Interface with EOC Pulse to Allow Stand-Alone Operation.

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Datasheet Details

Part number AD7822
Manufacturer Analog Devices
File Size 215.01 KB
Description 3 V/5 V/ 2 MSPS/ 8-Bit/ 1-/ 4-/ 8-Channel Sampling ADCs
Datasheet download datasheet AD7822 Datasheet
Additional preview pages of the AD7822 datasheet.

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Other Datasheets by Analog Devices
  • AD7820 - 8-BIT ADC
  • AD7821 - 8-Bit ADC
  • AD7823 - 8-Bit ADC
  • AD7824 - High Speed 4- and 8-Channel 8-Bit ADCs
  • AD7825 - 3 V/5 V/ 2 MSPS/ 8-Bit/ 1-/ 4-/ 8-Channel Sampling ADCs
  • 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 3 V/5 V, 2 MSPS, 8-Bit, 1-, 4-, 8-Channel Sampling ADCs AD7822/AD7825/AD7829 FUNCTIONAL BLOCK DIAGRAM CONVST EOC A0* A1* A2* PD* VDD FEATURES 8-Bit Half-Flash ADC with 420 ns Conversion Time 1, 4 and 8 Single-Ended Analog Input Channels Available with Input Offset Adjust On-Chip Track-and-Hold SNR Performance Given for Input Frequencies Up to 10 MHz On-Chip Reference (2.5 V) Automatic Power-Down at the End of Conversion Wide Operating Supply Range 3 V ؎ 10% and 5 V ؎ 10% Input Ranges 0 V to 2 V p-p, VDD = 3 V ؎ 10% 0 V to 2.5 V p-p, V DD = 5 V ؎ 10% Flexible Parallel Interface with EOC Pulse to Allow Stand-Alone Operation APPLICATIONS Data Acquisition Systems, DSP Front Ends Disk Drives Mobile Communication Systems, Subsampling Applications GENERAL DESCRIPTION CONTROL LOGIC COMP 2.
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