Datasheet > LM1872

LM1872

更新时间： 2024-09-13 22:51:55

品牌	Logo	应用领域
美国国家半导体 - NSC		解码器无线
页数	文件大小	规格书
20页	371K
描述
Radio Control Receiver/Decoder

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LM1872 数据手册

February 1989

LM1872 Radio Control Receiver/Decoder

General Description

Features

Four independent information channels; two analog and

two digital

The LM1872 is a complete RF receiver/decoder for radio

control applications. The device is well suited for use at ei-

ther 27 MHz, 49 MHz or 72 MHz in controlling various toys

or hobby craft such as cars, boats, tanks, trucks, robots,

planes, and trains. The crystal controlled superhet design

offers both good sensitivity and selectivity. When operated

in conjunction with the companion transmitter, LM1871, it

provides four independent information channels. Two of

these channels are analog pulse width modulated (PWM)

types, while the other two are simple ON/OFF digital chan-

nels with 100 mA drive capability. Either channel type can

be converted to the other form through simple external cir-

cuitry such that up to 4 analog or up to 4 digital channels

could be created. Few external parts are required to com-

plement the self-contained device which includes local os-

cillator, mixer, IF detector, AGC, sync output drivers, and all

decoder logic on-chip.

Completely self-contained

Minimum of external parts

Operation from 50 kHz to 72 MHz

Highly selective and sensitive superhet design

Operates from four 1.5V cells

Excellent supply noise rejection

100 mA digital output drivers

Crystal controlled

Interfaces directly with standard hobby servos

Applications

Toys and hobby craft

Energy saving, remotely switched lighting systems

Burgler alarms

Industrial and consumer remote data links

IR data links

Remote slide projector control

Circuit Block and Connection Diagram

Dual-In-Line Package

TL/H/7912–1

Bottom View

Order Number LM1872N

See NS Package Number N18A

1995 National Semiconductor Corporation

TL/H/7912

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6 7...20

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与LM1872相关器件

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LM1872N	NSC	获取价格	Radio Control Receiver/Decoder
LM1872N/A+	ETC	获取价格	Remote-Control Receiver/Decoder
LM1872N/B+	ETC	获取价格	Remote-Control Receiver/Decoder
LM1875	UTC	获取价格	20W AUDIO POWER AMPLIFIER
LM1875	NSC	获取价格	20W Audio Power Amplifier
LM1875	TI	获取价格	20W 音频功率放大器
LM1875	HGSEMI	获取价格	20W 音频功率放大器
LM1875_05	UTC	获取价格	20W AUDIO POWER AMPLIFIER
LM1875_15	UTC	获取价格	20W AUDIO POWER AMPLIFIER
LM1875DWF	TI	获取价格	25W, 1 CHANNEL, AUDIO AMPLIFIER, UUC, WAFER