Datasheet > SI4840-A10

SI4840-A10

更新时间： 2024-11-20 01:19:43

品牌	Logo	应用领域
芯科 - SILICON		/
页数	文件大小	规格书
26页	1325K
描述
BROADCAST ANALOG TUNING DIGITAL DISPLAY AM/FM/SW RADIO RECEIVER

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中文翻译

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数据手册

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SI4840-A10 数据手册

Si4840/44-A10

BROADCAST ANALOG TUNING DIGITAL DISPLAY AM/FM/SW

RADIO RECEIVER

Features



Worldwide FM band support

(64–109 MHz)

Worldwide AM band support

(504–1750 kHz)

SW band support (Si4844 only)

(2.3–28.5 MHz)

Selectable support for all AM/FM

regional bands



Minimal BOM components with no

manual alignment

Excellent real-world performance

Automatic frequency control (AFC)

EN55020 compliant

Two AAA batteries with 2.0 to 3.6 V

supply voltage (T = 25 °C)

Wide range of ferrite loop sticks and

air loop antenna support



2-wire control interface

Mono/Stereo and valid station

indicator

Ordering Information:



24-pin SSOP package

RoHS compliant

See page 20.



Digital volume support

Bass/Treble support

Pin Assignments

Applications



Table and portable radios

Stereos

Mini/micro systems

Boom boxes



Modules for consumer electronics

Entertainment systems

Toys, lamps, and any application

needing an AM/FM radio

Mini HiFi

Si4840/44-A10 (SSOP)

LOUT

ROUT

DBYP

VDD2

VDD1

XTALI

XTALO

LNA_EN

IRQ



TUNE1

TUNE2

BAND

Clock radios

iPhone docking

Description

The Si4840/44 is the first analog-tuned digital-display digital CMOS AM/FM/SW

radio receiver IC that integrates the complete receiver function from antenna input

to audio output. Working with Host MCU (I²C-compatible 2-wire control interface),

frequencies, and stereo/mono information can be displayed on LCD, while the

analog-tune features are kept. Leveraging Silicon Laboratories' proven and

patented digital low intermediate frequency (low-IF) receiver architecture, the

Si4840/44 deliver superior RF performance and interference rejection. The

superior control algorithm integrated in Si4840/44 provides easy and reliable

control interface while eliminating all the manual tuned external components used

in traditional solution.

FMI

SCLK

SDIO

RST

RFGND

GND

AMI

This product, its features, and/or its

architecture is covered by one or more of

the following patents, as well as other

patents, pending and issued, both

foreign and domestic: 7,127,217;

Functional Block Diagram

7,272,373;

7,355,476;

7,339,503; 7,339,504.

7,272,375;

7,426,376;

7,321,324;

7,471,940;

Si484x

Si4830/34

ADC

DAC

AMI

LOUT

ROUT

ANT

LNA

AGC

DSP

RFGND

DAC

ANT

FMI

0/90

TUNE1/2

BAND

ADC

AFC

REG

XTALI

2.0~3.6V

CONTROL INTERFACE

VDD1/2

XTAL

OSC

Rev.1.0 8/11

Si4840/44-A10

12 3 4 5 6 7...26

中文翻译

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与SI4840-A10相关器件

型号	品牌	获取价格	描述	数据表
SI4840-A10-GU	SILICON	获取价格	Audio Single Chip Receiver,
SI4840-A10-GUR	SILICON	获取价格	Audio Single Chip Receiver,
SI4840BDY	VISHAY	获取价格	N-Channel 40-V (D-S) MOSFET
SI4840BDY-T1-E3	VISHAY	获取价格	N-Channel 40-V (D-S) MOSFET
SI4840BDY-T1-GE3	VISHAY	获取价格	N-Channel 40-V (D-S) MOSFET
SI4840-DEMO	SILICON	获取价格	Si4840/44 DEMO BOARD USERS GUIDE
SI4840DY	VISHAY	获取价格	N-Channel 40-V (D-S) MOSFET
SI4840DY-E3	VISHAY	获取价格	Power Field-Effect Transistor, N-Channel, Metal-oxide Semiconductor FET
SI4840DY-T1	VISHAY	获取价格	N-Channel 40-V (D-S) MOSFET
SI4840DY-T1-E3	VISHAY	获取价格	N-Channel 40-V (D-S) MOSFET

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