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LM12434 - 12-Bit + Sign Data Acquisition System

General Description

The LM12434 and LM12 L 438 are highly integrated Data Acquisition Systems Operating on 3V to 5V they combine a fully-differential self-calibrating (correcting linearity and zero errors) 13-bit (12-bit a sign) analog-to-digital converter (ADC) and sample-and-hold (S H) with extensive analog and digit

Key Features

  • Y Three operating modes 12-bit a sign 8-bit a sign and ‘‘watchdog’’ comparison mode Y Single-ended or differential inputs Y Built-in Sample-and-Hold Y Instruction RAM and event sequencer Y 8-channel (LM12 L 438) or 4-channel (LM12434) multiplexer Y 32-word conversion FIFO Y Programmable acquisition times and conversion rates Y Self-calibration and diagnostic mode Y Power down output for system power management Y Read while convert capability for maximum through-put rate.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM12434 LM12 L 438 12-Bit a Sign Data Acquisition System with Serial I O and Self-Calibration July 1995 LM12434 LM12 L 438 12-Bit a Sign Data Acquisition System with Serial I O and Self-Calibration General Description The LM12434 and LM12 L 438 are highly integrated Data Acquisition Systems Operating on 3V to 5V they combine a fully-differential self-calibrating (correcting linearity and zero errors) 13-bit (12-bit a sign) analog-to-digital converter (ADC) and sample-and-hold (S H) with extensive analog and digital functionality Up to 32 consecutive conversions using two’s complement format can be stored in an internal 32-word (16-bit wide) FIFO data buffer An internal 8-word instruction RAM can store the conversion sequence for up to eight acquisitions through the LM12 L 438’s eight-in