[XEMICS]

General Description

The XE1218 is a single chip ultra low-power VHF FM receiver. The circuit includes the RF receiver section, the demodulator and the audio amplifier that is directly connected to an external earpiece. It uses analog narrow-band FM modulation. The XE1218 is based on a low-IF architecture, with on-chip channel filter and a delay line type demodulator. The LO is generated by a crystal oscillator.

Features

• Ultra low voltage operation : down to 1 Volt

• Ultra low-power consumption : 2 mA

• Highly integrated single chip audio receiver : antenna in, loudspeaker out

• High sensitivity : -107 dBm

• AFC range +/- 10 kHz

• Mute function

• 6 kHz audio bandwidth

• 45 dB Audio SNR

• Integrated audio amplifier

Applications

• Toys

• Local/Wide area voice paging

• FM broadcasting miniature receiver

• Wireless phone headset