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AD7820 Datasheet PDF

Part Series:AD7820 Series
Category:Analog to Digital
Description:ANALOG DEVICES AD7820KNZ Analog to Digital Converter, 8Bit, Single, 4.75V, 5.25V, DIP
Document:AD7820KNZ Datasheet PDF (14 Pages)

AD7820 Datasheet PDF Analog to Digital

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AD7820KNZ - ADI Specifications

TYPE
DESCRIPTION
Mounting Style
Through Hole
Number of Pins
20 Pin
Supply Voltage (DC)
4.75V (min)
Case/Package
DIP-20
Supply Current
15.0 mA
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AD7820KNZ - ADI Function Overview

The AD7820KNZ is a high speed, microprocessor-compatible 8-bit 2µS sampling Analog-to-digital Converter (ADC) which uses a half-flash conversion technique to achieve a conversion time of 1.36µs. The half-flash technique consists of 31 comparators, a most significant 4-bit ADC and a least significant 4-bit ADC. The input to the converter is tracked and held by the input sampling circuitry, eliminating the need for an external sample-and-hold for signals with slew rates less than 100mV/µs. The part is designed for ease of microprocessor interface with the converter appearing as a memory location or I/O port without the need for external interfacing logic. All digital outputs use latched, 3-state output buffer circuitry to allow direct connection to a microprocessor data bus or system input port. A non-three state overflow output is also provided to allow cascading of devices to give higher resolution.
Built-in track-and-hold function
No missed codes
No user trims required
Ratiometric operation
No external clock
Extended temperature range operation
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