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MFG:TI  Package Cooled:SOP/DIP  D/C:06+  

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Part Number: ADS7821

 

MFG: TI

Package Cooled: SOP/DIP

D/C: 06+

Description: The ADS7821 is a complete 16-bit sampling A/D using state-of-the-art CMOS structures. It contains a co...


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ADS7821 General Description


The ADS7821 is a complete 16-bit sampling A/D using state-of-the-art CMOS structures. It contains a complete 16-bit, capacitor-based, SAR A/D with S/H, reference, clock, interface for microprocessor use, and three-state output drivers.

The ADS7821 is specified at a 100kHz sampling rate, and guaranteed over the full temperature range. Lasertrimmed scaling resistors provide a 0 to +5V input range, with power dissipation under 100mW.

The 28-pin ADS7821 is available in a plastic 0.3" DIP and in an SOIC, both fully specified for operation over the 25°C to +85°C range.

ADS7821 Maximum Ratings

VIN .............................................................. 0.7V to VANA +0.3V
REF ................................................ AGND2 0.3V to +VANA +0.3V
CAP .................................................... Indefinite Short to AGND2
CAP ......................................................Momentary Short to VANA
Ground Voltage Differences: DGND, AGND1, AGND2 .......... ±0.3V
VANA ........................................................................................ 7V
VDIG to VANA ...................................................................... +0.3V
VDIG ......................................................................................... 7V
Digital Inputs ............................................... 0.3V to +VDIG +0.3V
Maximum Junction Temperature ...................................... +165°C
Internal Power Dissipation ............................................... 825mW
Lead Temperature (soldering, 10s) .................................. +300°C

ADS7821 Features

100kHz min SAMPLING RATE
0 to +5V INPUT RANGE
86dB min SINAD WITH 20kHz INPUT
DNL: 16-bits "No Missing Codes"
SINGLE +5V SUPPLY OPERATION
PIN-COMPATIBLE WITH 12-BIT ADS7820
USES INTERNAL OR EXTERNAL REFERENCE
FULL PARALLEL DATA OUTPUT
100mW max POWER DISSIPATION
28-PIN 0.3" PLASTIC DIP AND SOIC

ADS7821 Connection Diagram

ADS7821  Connection Diagram

ADS7821 datasheet

ADS7821
PDF/DataSheet Download

Find ADS7821 Suppliers

  • ·ADS1100
  • BURR-BROWN [Burr-Brown Corporation] 
  • Self-Calibrating, 16-Bit ANALOG-TO-DIGITAL CONVERTER 
  • 189503 KB
  • ADS1100 Datasheet Download
  • ·ADS1100A7IDBVR
  • BURR-BROWN 
  • 1.2-V, 12-/10-/8-BIT, 200-KSPS/100-KSPS, MICRO-POWER, MINIATURE ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE  
  • 288993 KB
  • ADS1100A7IDBVR Datasheet Download
  • ·ADS1100A7IDBVT
  • BURR-BROWN 
  • 1.2-V, 12-/10-/8-BIT, 200-KSPS/100-KSPS, MICRO-POWER, MINIATURE ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE  
  • 288993 KB
  • ADS1100A7IDBVT Datasheet Download
  • ·ADS1100IDBVR
  • BURR-BROWN [Burr-Brown Corporation] 
  • Self-Calibrating, 16-Bit ANALOG-TO-DIGITAL CONVERTER 
  • 189503 KB
  • ADS1100IDBVR Datasheet Download
  • ·ADS1100IDBVT
  • BURR-BROWN [Burr-Brown Corporation] 
  • Self-Calibrating, 16-Bit ANALOG-TO-DIGITAL CONVERTER 
  • 189503 KB
  • ADS1100IDBVT Datasheet Download
  • ·ADS1110
  • TI [Texas Instruments] 
  • 16-Bit ANALOG-TO-DIGITAL CONVERTER with Onboard Reference 
  • 532959 KB
  • ADS1110 Datasheet Download
  • ·ADS1110A0IDBVR
  • TI [Texas Instruments] 
  • 16-Bit ANALOG-TO-DIGITAL CONVERTER with Onboard Reference 
  • 532959 KB
  • ADS1110A0IDBVR Datasheet Download
  • ·ADS1110A0IDBVT
  • TI [Texas Instruments] 
  • 16-Bit ANALOG-TO-DIGITAL CONVERTER with Onboard Reference 
  • 532959 KB
  • ADS1110A0IDBVT Datasheet Download

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