XE1209 Datasheet, PDF (1/10 Pages) List of Unclassifed Manufacturers – 30-70 KHZ ULTRA LOW POWER CMOS TRANSCEIVER

XE1209
Ultra Low Power CMOS Transceiver
XE1209
30 – 70 kH Ultra Low Power CMOS Transceiver
GENERAL DESCRIPTION
The XE1209 is a 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.
KEY FEATURES
• Single chip transceiver
• Low cost
• Low external component count
• Ultra Low Power
-
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
XE1209C012TRLF
Temperature
range
-10°C to
+60°
Package
SO-20
RoHS compliant
Rev 1 August 2005
www.semtech.com
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