Datasheet > XE1209

XE1209

更新时间： 2024-11-30 05:54:47

品牌	Logo	应用领域
商升特 - SEMTECH		/
页数	文件大小	规格书
10页	152K
描述
Ultra Low Power CMOS Transceiver

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XE1209 数据手册

XE1209

Ultra Low Power CMOS Transceiver

XE1209

30 – 70 kH Ultra Low Power CMOS Transceiver

KEY FEATURES

GENERAL DESCRIPTION

• Single chip transceiver

• Low cost

• Low external component count

• Ultra Low Power

The XE1209 is

CMOS Ultra Low-Power

transceiver for short-range low frequency RF data

communications system. It uses 2-level Continuous

Phase FSK modulation. The receiver section

includes the preamplifier, the down-converter, and

the channel filters, the demodulator and the bit

synchronizer, which delivers synchronized data at

the output. The transmitter section is composed of a

Direct Digital Synthesizer (DDS), and the power

amplifier generating a square-wave output current.

The XE1209 has carrier detector to detect the

presence of a signal at the carrier frequency. The

local clock is based on a 32kHz crystal oscillator and

a PLL to generate the required Local oscillator (LO)

frequency. The XE1209 has a simple interface with

an external microcontroller.

Stand-by mode

Carrier detection mode

Low-power receiver mode

• Unlicensed frequency band

• Short range applications; 1 to 3 meters

APPLICATIONS

• Remote control

• Short Range Wireless data

• Access control

ORDERING INFORMATION

Part number

Temperature Package

range

-10°C to

+60°

XE1209C012TRLF

SO-20

RoHS compliant

Rev 1 August 2005

www.semtech.com

12 3 4 5 6 7...10

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