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HI-8429 - 8-Channel GND/Open or Supply/Open Sensor

Description

The HI-8429 is an 8-channel discrete-to-digital sensor fabricated with Silicon-on-Insulator (SOI) technology designed to interface with a Serial Peripheral Interface (SPI).

Each input is individually configurable as either GND/Open or Supply/Open (28V/Open).

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Datasheet Details

Part number HI-8429
Manufacturer HOLTIC
File Size 189.42 KB
Description 8-Channel GND/Open or Supply/Open Sensor
Datasheet download datasheet HI-8429 Datasheet

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Other Datasheets by HOLTIC

Part Number Description
HI-8420 6-Channel / 8-Channel Discrete-to-Digital Interface
HI-8421 six channel discrete-to-digital interface
HI-8422 16-Channel Discrete-to-Digital Interface
HI-8423 6-Channel / 8-Channel Discrete-to-Digital Interface
HI-8424 6-Channel / 8-Channel Discrete-to-Digital Interface

Full PDF Text Transcription

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November 2015 HI-8429 8-Channel GND/Open or Supply/Open Sensor with Programmable Thresholds and SPI Interface GENERAL DESCRIPTION The HI-8429 is an 8-channel discrete-to-digital sensor fabricated with Silicon-on-Insulator (SOI) technology designed to interface with a Serial Peripheral Interface (SPI). Each input is individually configurable as either GND/Open or Supply/Open (28V/Open). Discrete input thresholds are programmable in the range of 2V to 12V. An SPI bus is used to configure the sensors and to read sensor data . The part operates from a 3.3V (±5%) digital supply and 12V to 15V analog supply. A 1mA wetting current is sourced from the input network on each SENSE input when GND/Open mode is selected for that pin. The wetting current serves to prevent dry relay or switch contacts.
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