HI7190 Datasheet - Intersil Corporation

HI7190 Sigma Delta A/D Converter

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.

HI7190 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

HI7190_IntersilCorporation.pdf