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BK1085 Datasheet Preview

BK1085 Datasheet

FM STEREO TRANSMITTER

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BK1085 pdf
BK1085
FM STEREO TRANSMITTER
Features
„ Support 64~125 MHz band
„ Fully integrated PLL
„ Digital FM stereo encoder
„ 50us/75us pre-emphasis
„ Max output power 10dBm
„ Output power programmable
„ 2.5 ~ 3.6 V supply voltage
„ Active current 15 mA
„ Wide range reference clock support
„ 3-wireSPI or 2-wire I2C interface
„ 3x3 mm 20-pin QFN package ,16-pin
TSSOP package or 10-pin SSOP
QFN 20 Pin Assignments (Top View)
Applications
„ MP3 Player
„ Wireless Speaker
„ Toys
Functional Block Diagram
http://www.DataSheet4U.com/
TSSOP 16 Pin Assignments (Top View)
SSOP 10 Pin Assignments (Top View)
Rev.1.1
Copyright@2010 by Beken Corporation
BK1085
Beken Confidential. Information contained herein is covered under non-disclosure agreement (NDA).



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Beken

BK1085 Datasheet Preview

BK1085 Datasheet

FM STEREO TRANSMITTER

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BK1085 pdf
1 Table of Contents
BK1085
1  Table of Contents.................................................................................................................. 2 
2  Functional Description ......................................................................................................... 3 
2.1  Power Supply ...................................................................................................... 3 
2.2  Power Down and Reset....................................................................................... 3 
2.3  Pre-emphasis ....................................................................................................... 3 
2.4  Stereo Encoder .................................................................................................... 3 
2.5  Channel Number ................................................................................................. 3 
2.6  FM modulator ..................................................................................................... 4 
2.7  Reference Clock.................................................................................................. 4 
2.8  Programming Interface ....................................................................................... 4 
2.8.1  3-wire bus mode.............................................................................................. 4 
2.8.2  I2C bus mode .................................................................................................. 4 
3  Design Specification............................................................................................................. 6 
3.1  Recommended Operating Conditions ................................................................. 6 
3.2  DC Electrical Specification................................................................................. 6 
3.3  Transmitter Characteristics ................................................................................. 6 
4  Register definition1,5 ............................................................................................................. 7 
5  Pin Descriptions.................................................................................................................. 10 
6  Typical Application Schematic.......................................................................................... 13 
7  Package Information........................................................................................................... 15 
8  Order Information ............................................................................................................... 18 
9  Additional Reference Resource ........................................................................................ 19 
10  Revision History............................................htt.p://ww.w.Da.taShe.et4U.c.om/................................................................. 20 
Rev.1.1
Proprietary and Confidential
Page 2 of 20


Part Number BK1085
Description FM STEREO TRANSMITTER
Maker Beken
Total Page 20 Pages
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