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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 A...

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SeekIC No. : 004277224 Detail

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 O...

ADS7821 Data Sheet

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Part Number:
ADS7821
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/3/13

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Product Details

Description



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


Pinout

Connection Diagram


Specifications

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


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.




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