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XE1218AS000BF Datasheet

  • XE1218AS000BF

  • Low Power single die FM receiver

  • 11頁(yè)

  • ETC

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Datasheet XE1218A: Low
Power single die FM receiver
RFT
VCCR
VCCA
VDD
AUD
VCCO
RFI
RFG
LNA
FM
DEMOD
Audio
SW
OUT
OSC
AFC
PA
EAR
LOP
LON
XP
XN
VM
VSS
VOL
XE1218A
Low power single die FM receiver
General Description
The XE1218 is a single die, low power, FM
receiver operating in the VHF band from 130MHz
to 230MHz. Its highly integrated architecture allows
for RF and audio functions on the same die, whilst
minimizing the external components needed to
build a complete application at the same time.
The XE1218A enables single chip, complete audio
transmission solutions, where the antenna feeds
the incoming RF signal directly into the XE1218A
and an amplified audio signal can be fed to an
earphone directly from the XE1218A鈥檚 output.
Flexibility has been built into the XE1218A: various
different transmission channels can be selected,
the audio output can also be fed to a post
processing circuit such as sound de-emphasis or
an external power amplifier.
The XE1218A is optimized for battery powered
applications, it can be operated directly on one
lithium 1.5V battery cell.
Applications
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Wireless phone headset
Local area voice paging
FM broadcasting miniature receiver
Toys
Main features
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Tuneable from 130MHz to 230 MHz
High reception sensitivity: -100dBm
Integrated RF filtering
Low voltage operation: down to 1.1V
Low power consumption: typical 2.5mA
6 kHz audio bandwidth
40 dB audio SNR
Integrated earphone audio amplifier
Line out for external audio amplifier
Mute function
Ordering Information
Part Number
XE1218AS000BF
Temperature range
-10擄C to 40擄C
Package
Bare die
Cool Solutions for Wireless Connectivity
XEMICS SA
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e-mail: info@xemics.com
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web: www.xemics.com

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