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HI7190 - Sigma Delta A/D Converter

Datasheet Summary

Description

The Harris HI7190 is a monolithic instrumentation, sigma delta A/D converter which operates from ±5V supplies.

Both the signal and reference inputs are fully differential for maximum flexibility and performance.

Features

  • The On-chip Calibration Registers allow the user to read and write calibration data. March 1998 Features.
  • 22-Bit Resolution with No Missing Code.
  • 0.0007% Integral Non-Linearity (Typ).
  • 20mV to ±2.5V Full Scale Input Ranges.
  • Internal PGIA with Gains of 1 to 128.
  • Serial Data I/O Interface, SPI Compatible.
  • Differential Analog and Reference Inputs.
  • Internal or System Calibration.
  • -120dB Rejection of 60/50Hz Line Noise.

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Datasheet preview – HI7190

Datasheet Details

Part number HI7190
Manufacturer Intersil Corporation
File Size 193.85 KB
Description Sigma Delta A/D Converter
Datasheet download datasheet HI7190 Datasheet
Additional preview pages of the HI7190 datasheet.

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Full PDF Text Transcription

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Semiconductor HI7190 24-Bit, High Precision, Sigma Delta A/D Converter Description The Harris HI7190 is a monolithic instrumentation, sigma delta A/D converter which operates from ±5V supplies. Both the signal and reference inputs are fully differential for maximum flexibility and performance. An internal Programmable Gain Instrumentation Amplifier (PGIA) provides input gains from 1 to 128 eliminating the need for external pre-amplifiers. The ondemand converter auto-calibrate function is capable of removing offset and gain errors existing in external and internal circuitry. The on-board user programmable digital filter provides over -120dB of 60/50Hz noise rejection and allows fine tuning of resolution and conversion speed over a wide dynamic range.
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