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ADS7820, ADS7820E, ADS7820EA

Table of contents:
Info of ADS7820
Info of ADS7820E
Info of ADS7820EA

ADS7820, ADS7820E, ADS7820EA Selling Leads, Datasheet

MFG:BB Package Cooled:SOP28 D/C:New

ADS7820, ADS7820E, ADS7820EA Datasheet download

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Part Number: ADS7820

MFG: BB

Package Cooled: SOP28

D/C: New

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ADS7820 General 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.

ADS7820 Maximum Ratings

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

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 DISSIPATION
·28-PIN 0.3" PLASTIC DIP AND SOIC

ADS7820 Connection Diagram

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