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ADC0820

Part Number	ADC0820
Manufacturer	National Semiconductor
Description	A/D Converter
Published	Mar 24, 2005
Detailed Description	ADC0820 8-Bit High Speed µP Compatible A/D Converter with Track/Hold Function June 1999 ADC0820 8-Bit High Speed µP Co...
Datasheet	ADC0820 PDF File

Overview

ADC0820 8-Bit High Speed µP Compatible A/D Converter with Track/Hold Function June 1999 ADC0820 8-Bit High Speed µP Compatible A/D Converter with Track/Hold Function General Description By using a half-flash conversion technique, the 8-bit ADC0820 CMOS A/D offers a 1.
5 µs conversion time and dissipates only 75 mW of power.
The half-flash technique consists of 32 comparators, a most significant 4-bit ADC and a least significant 4-bit ADC.
The input to the ADC0820 is tracked and held by the input sampling circuitry eliminating the need for an external sample-and-hold for signals moving at less than 100 mV/µs.
For ease of interface to microprocessors, the ADC0820 has been designed to appear as a memory location or I/O port without the need for external interfacing logic.
Features n n n n n n n n n 8 Bits 2.
5 µs Max (RD Mode) n n n n n n Built-in track-and-hold function No missing codes No external clocking Single supply — 5 VDC Easy interface to all microprocessors, or operates stand-a...

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