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Maxwell Technologies - Microprocessor Compatible 8-Bit ADC

Numéro de référence 7820
Description Microprocessor Compatible 8-Bit ADC
Fabricant Maxwell Technologies 
Logo Maxwell Technologies 





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7820 fiche technique
7820
Microprocessor-compatible
8-Bit ADC
FEATURES:
• 1.36 µ s Conversion Time
• Built-in-Track-and-Hold Function
• Single +5 Volt Supply
• No External Clock Required
• Tri-State Output Buffered
• Total Ionization Dose:
- > 50 krads (Si), depending upon space mission.
• Excellent Single Event Effects
- SEL > 80 MeV/mg/cm2
• Package:
- 20 pin Rad-Pak DIP
Logic Diagram
DESCRIPTION:
The 7820 is a microprocessor compatible 8-bit Analog-to-Digi-
tal Converter with a 0V to +5V input supply range with a single
+5 Volt supply.
The 7820 incorporates internal sample-and-hold circuitry
which eliminates the need for an external S/H for signals with
slew rates less than 100 mV/µ s.
The 7820 was designed to be easiliy interfaced with micropro-
cessors, appearing as either a memory location or I/O port
without the need for external interfacing. All outputs are
latched and tri-state buffered.
Maxwell Technologies' patented RAD-PAK® packaging technol-
ogy incorporates radiation shielding in the microcircuit pack-
age. It eliminates the need for box shielding while providing
the required radiation shielding for a lifetime in orbit or space
mission. In a GEO orbit, the RAD-PAK®package provides
greater than 50 krad (Si) radiation dose tolerance. This prod-
uct is available with screening up to Class S.
09.09.03 Rev 3
(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com
All data sheets are subject to change without notice 1
©2003 Maxwell Technologies
All rights reserved.

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