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HI-8437 - 32-Channel High Impedance Low Threshold Sensor

Description

The HI-8437 is a 32-channel high impedance discrete-todigital sensor fabricated with Silicon-on-Insulator (SOI) technology designed to interface with a Serial Peripheral Interface (SPI).

The four banks of 8 sense inputs can be programmed to detect one of two threshold ranges, VTHR1, VTHR2.

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Datasheet Details

Part number HI-8437
Manufacturer HOLTIC
File Size 147.76 KB
Description 32-Channel High Impedance Low Threshold Sensor
Datasheet download datasheet HI-8437 Datasheet
Additional preview pages of the HI-8437 datasheet.

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Full PDF Text Transcription

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January 2016 HI-8437 32-Channel High Impedance Low Threshold Sensor with SPI Interface GENERAL DESCRIPTION The HI-8437 is a 32-channel high impedance discrete-todigital sensor fabricated with Silicon-on-Insulator (SOI) technology designed to interface with a Serial Peripheral Interface (SPI). The four banks of 8 sense inputs can be programmed to detect one of two threshold ranges, VTHR1, VTHR2. All sense inputs have a 400KΩ resistor to ground and are internally lightning protected to DO160G, Section 22, Cat AZ, BZ and ZZ without external components. The sensing circuit window comparator thresholds are set by programming the center threshold and hysteresis registers to values from 0.4V to 5.2V.
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