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ADS7820

Features: ·100kHz min SAMPLING RATE·0 to +5V INPUT RANGE·72dB min SINAD WITH 45kHz INPUT·±1/2 LSB max INL AND DNL·SINGLE +5V SUPPLY OPERATION·PIN-COMPATIBLE WITH 16-BIT ADS7821·USES INTERNAL OR EXTERNAL REFERENCE·COMPLETE WITH S/H, REF, CLOCK, ETC.·FULL PARALLEL DATA OUTPUT·100mW max POWER DISSIPA...

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SeekIC No. : 004277218 Detail

ADS7820: Features: ·100kHz min SAMPLING RATE·0 to +5V INPUT RANGE·72dB min SINAD WITH 45kHz INPUT·±1/2 LSB max INL AND DNL·SINGLE +5V SUPPLY OPERATION·PIN-COMPATIBLE WITH 16-BIT ADS7821·USES INTERNAL OR EXTE...

ADS7820 Data Sheet

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Part Number:
ADS7820
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
·72dB min SINAD WITH 45kHz INPUT
·±1/2 LSB max INL AND DNL
·SINGLE +5V SUPPLY OPERATION
·PIN-COMPATIBLE WITH 16-BIT ADS7821
·USES INTERNAL OR EXTERNAL REFERENCE
·COMPLETE WITH S/H, REF, CLOCK, ETC.
·FULL PARALLEL DATA OUTPUT
·100mW max POWER DISSIPATION
·28-PIN 0.3" PLASTIC DIP AND SOIC


Pinout

Connection Diagram


Specifications

Analog Inputs: VIN ............................................ 0.7V to +VANA +0.3V
                        REF ................................ +VANA +0.3V to AGND2 0.3V
                        CAP ...................................... Indefinite Short to AGND2
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 ADS7820 is a complete 12-bit sampling A/D using state-of-the-art CMOS structures. It contains a complete 12-bit, capacitor-based SAR A/D with S/H, reference, clock, interface for microprocessor use, and three-state output drivers.

The ADS7820 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 ADS7820 is available in a plastic 0.3" DIP and in an SOIC, both fully specified for operation over the industrial 40°C to +85°C range.




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