BK1085
BK1085 is FM STEREO TRANSMITTER manufactured by Beken.
FM STEREO TRANSMITTER
Features
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- Support 64~125 MHz band Fully integrated PLL Digital FM stereo encoder 50us/75us pre-emphasis Max output power 10d Bm Output power programmable 2.5 ~ 3.6 V supply voltage Active current 15 m A Wide range reference clock support 3-wire SPI 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 http://../
Functional Block Diagram
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).
1 Table of Contents
1 2 Table of Contents.................................................................................................................. 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 .....................................................................
