LM12438, LM12434 - 12-Bit + Sign Data Acquisition System

National Semiconductor

The LM12438 by National Semiconductor is a 12-Bit + Sign Data Acquisition System. Below is the official datasheet preview.

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LM12438 12-Bit + Sign Data Acquisition System by National Semiconductor - Datasheet Preview — Official preview page of the **LM12438** 12-Bit + Sign Data Acquisition System datasheet (National Semiconductor).

Datasheet Details

Part number	LM12438, LM12434
Manufacturer	National Semiconductor
File Size	1.50 MB
Description	12-Bit + Sign Data Acquisition System
Datasheet	LM12434-NationalSemiconductor.pdf
Note	This datasheet PDF includes multiple part numbers: LM12438, LM12434. Please refer to the document for exact specifications by model.
Additional preview pages of the LM12438 datasheet.

LM12438 Product details

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 con

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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Published: Jan 9, 2015 |