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HI7190IB

Renesas
Part Number HI7190IB
Manufacturer Renesas
Description Sigma Delta A/D Converter
Published Oct 17, 2021
Detailed Description HI7190 24-Bit, High Precision, Sigma Delta A/D Converter The Intersil HI7190 is a monolithic instrumentation, sigma del...
Datasheet PDF File HI7190IB PDF File

HI7190IB
HI7190IB

Overview
HI7190 24-Bit, High Precision, Sigma Delta A/D Converter The Intersil 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 on-demand converter autocalibrate 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.
The HI7190 and HI7191 are functionally the same device, but the HI7190 has tighter linearity specifications.
The HI7190 contains a serial I/O port and is compatible with most synchronous transfer formats including both the Motorola 6805/11 series SPI and Intel 8051 series SSR protocols.
A sophisticated set of commands gives the user control over calibration, PGIA gain, device selection, standby mode, and several other features.
The On-chip Calibration Registers allow the user to read and write calibration data.
Pinout HI7190 20 LD SOIC, PDIP TOP VIEW SCLK 1 SDO 2 SDIO 3 CS 4 DRDY 5 DGND 6 AVSS 7 VRLO 8 VRHI 9 VCM 10 20 MODE 19 SYNC 18 RESET 17 OSC1 16 OSC2 15 DVDD 14 AGND 13 AVDD 12 VINHI 11 VINLO DATASHEET FN3612 Rev 10.
00 June 27, 2006 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 • Settling Time of 4 Conversions (Max) for a Step Input • Pb-Free Plus Anneal Available (RoHS Compliant) Applications • Process Control and Measurement • Industrial Weight Scales • Pa...


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