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HT574

Honeywell
Part Number HT574
Manufacturer Honeywell
Description HIGH TEMPERATURE UP COMPATIBLE 12-BIT A/D CONVERTER
Published Jan 17, 2007
Detailed Description www.DataSheet4U.com HTMOSTM High Temperature Products Advance Information HIGH TEMPERATURE µP COMPATIBLE 12-BIT A/D C...
Datasheet PDF File HT574 PDF File

HT574
HT574

Overview
www.
DataSheet4U.
com HTMOSTM High Temperature Products Advance Information HIGH TEMPERATURE µP COMPATIBLE 12-BIT A/D CONVERTER FEATURES • Specified Over -55 to +225°C • Includes On-Chip Clock, Reference, µP Interface and Sample/Hold • 11-Bit Linearity • Industrial Process Control • 10 µs Maximum Conversion, Including Acquisition • Nuclear Reactor • Hermetic 28-Lead Ceramic DIP • Electric Power Conversion • Heavy Duty Internal Combustion Engines HT574 APPLICATIONS • Down-Hole Oil Well • Avionics • Turbine Engine Control GENERAL DESCRIPTION The HT574 is a general purpose, 12-bit successive approximation A/D converter intended for applications with an extremely wide operating temperature range.
Fabricated with Honeywell’s dielectrically isolated high temperature (HTMOS™) process, it is designed specifically for severe high-temperature applications.
The HT574 includes a switched capacitor, digital-to-analog converter, internal reference, comparator, successive approximation register, sample and hold, oscillator and architecture which allows it to be used with minimal external components.
Tristate output buffers and digital control pins are also provided for microprocessor interfacing.
Analog input signal ranges of 0 to +10V, 0 to +20V, or ±5V may be selected from the internal resistor scaling network.
The HT574 provides 12-bit conversions in 10µs over the entire -55 to +225°C temperature range.
Typically, parts will operate up to +300°C for a year, with derated performance.
All parts are burned in at 250°C to eliminate infant mortality.
28-LEAD PACKAGE D C All dimensions in inches Right Reading on Lid Ceramic Body 1 E eA A b b2 C D E e eA L Q S1 S2 0.
175 (max) 0.
018 ± 0.
002 0.
050 (typ) 0.
010 to 0.
002 1.
400 ± 0.
014 0.
594 ± 0.
010 0.
100 ±0.
005 0.
600 ±0.
010 0.
125 to 0.
175 0.
050 ±0.
010 0.
005 (min) 0.
005 (min) S2 A L b2 S1 b (width) e (pitch) Q Solid State Electronics Center • 12001 State Highway 55, Plymouth, MN 55441 • (800) 323-8295 • http://www.
ssec.
honeywell.
com...


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