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BK1089

BEKEN
Part Number BK1089
Manufacturer BEKEN
Description SINGLE-CHIP BROADCAST FM RADIO RECEIVER
Published Mar 2, 2015
Detailed Description BK1089 SINGLE-CHIP BROADCAST FM RADIO RECEIVER Features „ Support 64~108 MHz band 1 „ Automatic gain control(AGC) „ Au...
Datasheet PDF File BK1089 PDF File

BK1089
BK1089

Overview
BK1089 SINGLE-CHIP BROADCAST FM RADIO RECEIVER Features „ Support 64~108 MHz band 1 „ Automatic gain control(AGC) „ Automatic frequency control(AFC) „ Seek tuning „ Channel quality assessment „ Digital FM stereo decoder „ Automatic stereo/mono switching „ Automatic noise suppression „ 75us de-emphasis „ 2.
3 ~ 5.
5 V supply voltage „ Active current 22 mA „ 32.
768KHz crystal oscillator „ 4x4 mm 24-pin QFN package and 16-pin SOP package Notes 1.
Band is selected by internal bonding ， default is 87.
5-108MHz.
Applications „ Toys „ GND GND PWD STC VL ST 24 23 22 21 20 19 GND 1 18 VA FMIN 2 17 GND GND 3 FMIP 4 (BK1089) GND 16 LOUT 15 ROUT GND 5 14 GND VUP 6 13 VD 7 8 9 10 11 12 VDM SUP SDM RCLK AMODE VIO QFN 24 Pin Assignments (Top View) GND 1 GND 2 FMIN 3 GND 4 VUP 5 VDM 6 SUP 7 SDM 8 BK1089 16 PWD 15 VDD 14 GND 13 LOUT 12 ROUT 11 VDD 10 AMODE 9 RCLK General Description The BK1089 single-chip FM receiver employs a low-IF architecture, mixed signal image rejection and all digital demodulation technology.
The station scan of BK1089 searches radio stations based on both the channel RSSI estimation and signal quality assessment, increases the number of receivable stations while avoids false stops.
BK1089 enables FM radio reception with low power, small board space and minimum number of external components.
SOP 16 Pin Assignments (Top View) Functional Block Diagram FMIN FMIP 32.
768KHz RCLK 2.
2-3.
6 V VDD LNA PGA RF/Analog APLL ADC AGC FM DEMOD Stereo Decoder DPLL Tuning system REG BK1089 DAC LOUT DAC ROUT GPIO ST STC VL Interface VUP VDM SUP SDM RST PWD Preliminary Rev.
0.
2 Copyright©2010 by Beken Corporation BK1089 Beken Confidential.
Information contained herein is covered under non-disclosure agreement (NDA).
BK1089 1 Table of Contents 1 Table of Contents.
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2 2 Functional Description .
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