BK1085

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 http://www.DataSheet4U.com/ 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). BK1085 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 ...................................................................