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LM12L458 - 12-Bit + Sign Data Acquisition System

Description

The LM12L458 is a highly integrated 3.3V Data Acquisition System.

It combines a fully-differential self-calibrating (correcting linearity and zero errors) 13-bit (12-bit + sign) analog-to-digital converter (ADC) and sample-and-hold (S/H) with extensive analog functions and digital functionality.

Features

  • 1.
  • 2 Three Operating Modes: 12-Bit + Sign, 8-Bit + Sign, and “Watchdog”.
  • Single-Ended or Differential Inputs.
  • Built-In Sample-and-Hold.
  • Instruction RAM and Event Sequencer.
  • 8-Channel Multiplexer.
  • 32-Word Conversion FIFO.
  • Programmable Acquisition Times and Conversion Rates.
  • Self-Calibration and Diagnostic Mode.
  • 8- or 16-Bit Wide Data Bus Microprocessor or DSP Interface.
  • CMOS Compatible I/O.

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Datasheet preview – LM12L458

Datasheet Details

Part number LM12L458
Manufacturer Texas Instruments
File Size 1.36 MB
Description 12-Bit + Sign Data Acquisition System
Datasheet download datasheet LM12L458 Datasheet
Additional preview pages of the LM12L458 datasheet.

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Full PDF Text Transcription

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LM12L458 www.ti.com SNAS085B – JULY 1999 – REVISED MARCH 2013 LM12L458 12-Bit + Sign Data Acquisition System with Self-Calibration Check for Samples: LM12L458 FEATURES 1 •2 Three Operating Modes: 12-Bit + Sign, 8-Bit + Sign, and “Watchdog” • Single-Ended or Differential Inputs • Built-In Sample-and-Hold • Instruction RAM and Event Sequencer • 8-Channel Multiplexer • 32-Word Conversion FIFO • Programmable Acquisition Times and Conversion Rates • Self-Calibration and Diagnostic Mode • 8- or 16-Bit Wide Data Bus Microprocessor or DSP Interface • CMOS Compatible I/O APPLICATIONS • Data Logging • Process Control • Energy Management • Medical Instrumentation KEY SPECIFICATIONS • (fCLK = 6 MHz) • Resolution: 12-Bit + Sign or 8-Bit + Sign • Single Supply: +3 to +5.
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