Wireless Audio Link ICs for FM Transmitter

ROHM's wireless audio link ICs transmit music (i.e. CDs) via FM waves to an FM tuner, enabling high-quality playback. Features include built-in pre-emphasis, limiter, LPF, and stereo modulation circuits as well as a PLL frequency synthesizer, making audio FM transmission possible - all on a single chip.

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Specification

Part No.

Package

Function

Standard Compact Type

BH1425KN

VQFN28

Standard Ultra-compact Type

BH1425GWL

UCSP50L3

Compact Type with Integrated Reference Clock

BH1426KN

VQFN28

Ultra-compact Type with Integrated Reference Clock

BH1426GWL

UCSP50L3

Ultra-compact Type with Integrated Reference Clock

BH1427GUL

VCSP50L3

Compact High Performance Type

BH1428MUV

VQFN028V5050

Compact High Performance Type Optimized for North America and Europe

NEW

BU2682MUV

VQFN032V5050

Energy Saving Type Compatible with 3 Different Interfaces

BH1411FV

SSOP-B24

Compact Energy Saving Type Compatible with 3 Different Interfaces

BH1411MUV

VQFN024V4040

Energy Saving Type That Eliminates the Need for a Microcontroller

BH1412FV

SSOP-B24

For All Audio Sets

BH1418FV

SSOP-B24

For All Audio Sets

BH1418KN

VQFN28

For High Fidelity Sets

BH1414K

QFP44

For High Fidelity Sets

BH1415F

SOP22

For High Fidelity Sets

BH1415FV

SSOP-B24

Japan-specific Type That Eliminates the Need for a Microcontroller

BH1416F

SOP22

Eliminates the need for a microcontroller

BH1417F

SOP22

Eliminates the Need for a Microcontroller

BH1417FV

SSOP-B24

Part number with * are under development.

Inquiries conceming our products

Chip size / Small size Wireless Audio Link

Part No.	Supply voltage (V)	Transmitting frequency	Interface	Transmission output level (dBm)	Package (mm)	RoHS
BH1425KN	2.7 to 4.0	76 to 108MHz step 100kHz	I²C	-12 to 0	VQFN28	Yes
BH1425GWL	2.7 to 4.0	76 to 108MHz step 100kHz	I²C	-12 to 0	UCSP50L3(3.06×3.06), H=0.55Max.	Yes
BH1426KN	2.7 to 3.6	76 to 108MHz step 100kHz	I²C	-9 to +3	VQFN28	Yes
BH1426GWL	2.7 to 3.6	76 to 108MHz step 100kHz	I²C	-9 to +3	UCSP50L3(3.06×3.06), H=0.55Max.	Yes
BH1427GUL	2.7 to 3.6	76 to 108MHz step 100kHz	I²C	-9 to +3	VCSP50L3(3.1×3.1), H=0.55Max.	Yes
BH1428MUV	2.7 to 3.6	76 to 108MHz step 100kHz	I²C	-9 to +3	VQFN028V5050	Yes

Part number with * are under development.

Wireless Audio Link with RDS

Part No.	Supply voltage (V)	Transmitting frequency	Interface	Transmission output level (dBm)	Package (mm)	RoHS
NEW BU2682MUV	2.7 to 3.6	76 to 108MHz step 100kHz	I²C	-14 to +9	VQFN032V5050	Yes

Part number with * are under development.

3V standard Wireless Audio link

Part No.	Supply voltage (V)	Transmitting frequency	Interface	Transmission output level (dBm)	Package (mm)	RoHS
BH1411FV	2.7 to 4.0	76 to 90MHz, 87.5 to 108MHz step 100kHz,88.1 to 94.1MHz, 101.9 to 107.9MHz step 400kHz	I²C, 3-wire Serial, 5bit Parallel	-7	SSOP-B24	Yes
BH1411MUV	2.7 to 4.0	76 to 90MHz, 87.5 to 108MHz step 100kHz,88.1 to 94.1MHz, 101.9 to 107.9MHz step 400kHz	I²C, 3-wire Serial, 5bit Parallel	-7	VQFN024V4040	Yes
BH1412FV	2.7 to 4.0	88.1 to 94.1MHz, 101.9 to 107.9MHz step 400kHz	5bit Parallel	-7	SSOP-B24	Yes
BH1418FV	2.7 to 4.0	76 to 90MHz, 87.5 to 108MHz step 100kHz	3-wire Serial	-7	SSOP-B24	Yes
BH1418KN	2.7 to 4.0	76 to 90MHz, 87.5 to 108MHz step 100kHz	3-wire Serial	-7	VQFN28	Yes

5V standard Wireless Audio link

Part No.	Supply voltage (V)	Transmitting frequency	Interface	Transmission output level (dBm)	Package (mm)	RoHS
BH1414K	4.5 to 5.5	76 to 90MHz, 87.5 to 108MHz step 100kHz	3-wire Serial	-20	QFP44	Yes
BH1415F	4.0 to 6.0	76 to 108MHz step 100kHz	3-wire Serial	-7	SOP22	Yes
BH1415FV	4.0 to 6.0	76 to 108MHz step 100kHz	3-wire Serial	-7	SSOP-B24	Yes
BH1416F	4.0 to 6.0	76.8 to 78.0MHz 88.0 to 89.2MHz step 200kHz	4bit Parallel	-7	SOP22	Yes
BH1417F	4.0 to 6.0	87.7 to 88.9MHz 106.7 to 107.9MHz step 200kHz	4bit Parallel	-7	SOP22	Yes
BH1417FV	4.0 to 6.0	87.7 to 88.9MHz 106.7 to 107.9MHz step 200kHz	4bit Parallel	-7	SSOP-B24	Yes