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HT56V16161AOT-7, HT574, HT574A

Table of contents:
Info of HT56V16161AOT-7
Info of HT574
Info of HT574A

HT56V16161AOT-7, HT574, HT574A Selling Leads, Datasheet

MFG:HT Package Cooled:TSOP D/C:05+

HT56V16161AOT-7, HT574, HT574A Datasheet download

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Part Number: HT56V16161AOT-7

MFG: HT

Package Cooled: TSOP

D/C: 05+

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HT574 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 10ms 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.

HT574 Maximum Ratings

VDD to Analog Common .................................................................................................0V to +12.5V
VLOGIC to Digital Common ................................................................................................. 0V to +7V
Analog Common to Digital Common .............................................................................................±1V
Control Inputs (CE, NCS, 12_N8, Ao, R_NS) to Digital Common........................ -0.5V to VLOGIC +0.5V
Analog Inputs (VREF_IN, BIP_OFF, 10V_IN) to Analog Common .............................................. ±12.5V
20V_IN to Analog Common .........................................................................................................±24V
VREF_OUT ......................................................................................... Indefinite Short Circuit to Ground
Power Dissipation .................................................................................................................. 1000mW
Storage Temperature ..................................................................................................... -65 to +325
Lead Temperature (Attachment, 10 sec.) ......................................................................................355
ESD Protection..............................................................................................................................2000V

(1) Stresses in excess of those listed above may result in permanent damage. These are stress ratings only, and operation at these levels is not implied.
Frequent or extended exposure to absolute maximum conditions may effect device reliability.

HT574 Features

• Specified Over -55 to +225°C
• Includes On-Chip Clock, Reference, mP Interface and Sample/Hold
• 11-Bit Linearity
• 10 s Maximum Conversion, Including Acquisition
• Hermetic 28-Lead Ceramic DIP

HT574 Typical Application

• Down-Hole Oil Well
• Avionics
• Turbine Engine Control
• Industrial Process Control
• Nuclear Reactor
• Electric Power Conversion
• Heavy Duty Internal Combustion Engines

HT574 Connection Diagram

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