New products of 2008

New products of 2007

Products

Energy Saving!ECO Devices
New Concept!Add another level of sophistication with a broadcast function.ROHM wireless audio link LSI(FM stereo transmitter)

Features

  • ROHM's wireless audio link LSIs (FM transmitter) enable the smallest FM stereo broadcasts
  • Compatible with billions of FM radio receivers around the world
  • Removes noise contained in digital audio sources, resulting in hi-fi sound
  • Built-in high-performance digital transmitter ensures stable transmission of broadcast waves
  • A PLL circuit, stereo modulator, FM transmitter, and the like are all consolidated into a single package
  • Conforms to the global standard GE Zenith (Pilot Tone) system

Hi-fi stereo sound that rivals that of a conventional broadcast station

Hi-fi stereo sound that rivals that of a conventional broadcast station
Specialized, high-performance circuit designs make it possible to deliver high-fidelity sound equivalent to a radio station.
» For more detailed product content, specifications, or usage information, please click here.

Application Examples

TVs, DVD players, Set top boxes, Portable music players, Wireless headphones, Wireless speakers, PCs, PC mice, PC peripheral equipment, Cordless phones, Coffee makers, Microwaves, Ovens, Mobile phones, Digital cameras, Gaming consoles, Battery chargers, Calculators, Personal data assistants, Clocks/watches, Illumination equipment, Student desks, Dressers, Bathtubs, Vending machines, ATMs, On-board music systems, Ticket vending machines, and more


Specifications

Part No. BH1425KN
BH1425GWL		 BH1414K BH1415F
BH1415FV		 BH1418FV
BH1418KN		 BH1416F BH1417F
BH1417FV
Power Supply Voltage 2.7V to 4.0V 4.5V to 5.5V 4.0V to 6.0V 2.7V to 4.0V 4.0V to 6.0V
BUS Interface Voltage 1.7V to 4.0V Same as the power supply voltage Same as the power supply voltage
Operating Temperature Range -20ºC to +85ºC -40ºC to +85ºC -40ºC to +85ºC
Package VQFN28
(BH1425KN)
UCSP50L3
( BH1425GWL)		 QFP44 SOP22
(BH1415F)
SSOP-B24
( BH1415FV)

SSOP-B24
( BH1418FV)
VQFN28
(BH1418KN)

 SOP22 SOP22
(BH1417F)
SSOP-B24
( BH1417FV)
Transmission Frequencies 76MHｚ
to 108MHｚ
step 100kHz		 76MHｚ
to 108MHｚ
step 100kHz		 76.8MHｚ
to 78.0MHｚ
88.0MHｚ
to 89.2MHｚ
step 200kHz		 77.7MHｚ
to 88.9MHｚ
106.7MHｚ
to 107.9MHｚ
step 200kHz
Transmission Output Level -12dBm
to 0dBm		 -7dBm -7dBm
System Clock Frequencies 12M,13M,16M,
19M,19.2M,
19.8M,24M,
26MHzOther		 7.6MHｚ 7.6MHｚ
Audio input attenuator Yes Yes - -
Pre-emphasis Yes Yes Yes
Audio limiter Can be turned ON/OFF Can be turned ON/OFF ON only ON only
Digital audio source input compatible filters Yes Yes
-
 -
Monaural operation Yes Yes -
Audio mute Yes Yes -
FM stereo modulator Yes Yes Yes
FM transmitter Yes Yes Yes
Transmission frequency control system I2C BUS* Three-line serial BUS Parallel control
Transmission output level control Yes - -
Characteristics adjustment function via BUS interface
Yes
-
 -
Zero current power-down mode
Yes
-
 -
*I2C BUS is a registered trademark of Philips.
» See here for other LSI product lineups

Related Information

■New Product News
Expand! Upgrade your sets with character transmission.
RDS-compatible Wireless Audio Link IC Series.
Please click here for inquires or for more information.

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