FM Transmitters

Wireless Audio Link ICs

image of Rohms' FM TransmittersROHM Supplier PageROHM's breakthrough wireless IC series incorporates a stereo modulator, frequency synthesizer and high frequency FM transmitter in one IC.

ROHM's industry-first wireless IC series not only cuts board space by more than half, it opens up opportunities as unlimited as the designer's imagination. ROHM's innovative chip series enables portable electronic audio sources such as MP3 players, portable CD players, PDAs, video game players, cell phones, and laptop PCs to be connected to a more powerful audio system without cables or even line of sight technology.

Features Applications
  • Mounting apace ≤ 56mm2
  • Adjust audio input level by built-in input volume via BUS
  • Select pre-emphasis time constant via BUS
  • High-end LPF for Digital Audio Source
  • Adjust deviation control function via BUS
  • Tx frequency: 76.0M ~ 108.0 MHz, 100 kHz step
  • High-speed transmission frequency setup < 200 msec
  • Adjust Tx power control function via BUS
  • Power down mode
  • External clock frequency are 13 M/16 M/19.2 M/19.8 M/26 MHz
  • I2C BUS I/F
  • Operating Voltage: 2.7 V to 3.6 V
  • BUS I/F power voltage: 1.7 V to 3.6 V
  • Smaller package: CSP 3.0 mm x 3.0 mm x 0.5 mm
  • Wireless speakers
  • Car entertainment systems
  • Computer (sound board)
  • MP3 players
  • Video game players
  • CD changers
  • GPS Systems
  • Cell phones & Fax machines

FM Transmitters

ImageManufacturer Part NumberDescriptionAvailable Quantity
BH1418KN-E2 datasheet linkIC TRANS AUDIO WIRELESS VQFN28BH1418KN-E2IC TRANS AUDIO WIRELESS VQFN280BH1418KN-E2 product page link
Published: 2008-02-13