LM1812 - ULTRASONIC TRANSCEIVER

Product Overview

National Semiconductor

Datasheet Details

Part number	LM1812
Manufacturer	National Semiconductor
File Size	174.85 KB
Description	ULTRASONIC TRANSCEIVER
Datasheet	LM1812 Datasheet
Additional preview pages of the LM1812 datasheet.

Product details

Description

The LM1812 is a general purpose ultrasonic transceiver designed for use in a variety of ranging sensing and communications applications The chip contains a pulse-modulated class C transmitter a high gain receiver a pulse modulation detector and noise rejection circuitry A single LC network defines the operating frequency for both the transmitter and receiver The class C transmitter output drives up to 1A (12W) peak at frequencies up to 325 kHz The externally programmed receiver gain provides a d

Features

Y One or two-transducer operation Y Transducers interchangeable without realignment Y No external transistors Y Impulse noise rejection Y No heat sinking Y Protection circuitry included Y Detector output drives 1A peak load Y Ranges in excess of 100 feet in water 20 feet in air Y 12W peak transmit power.

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Published: Mar 22, 2005 |