Datasheet > SI4709-B-GM

SI4709-B-GM

更新时间： 2024-09-15 21:12:39

品牌	Logo	应用领域
芯科 - SILICON		/
页数	文件大小	规格书
42页	378K
描述
Receiver IC

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中文翻译

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技术参数
数据手册

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SI4709-B-GM 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.68
JESD-609代码：	e3	端子面层：	Matte Tin (Sn)
Base Number Matches：	1

SI4709-B-GM 数据手册

Si4708/09-B

BROADCAST FM RADIO TUNER FOR PORTABLE APPLICATIONS

Features

 Worldwide FM band support

 Adjustable soft mute

 Volume control

(76–108 MHz)

 Digital low-IF receiver

 Line-level analog output

 32.768 kHz reference clock

 Frequency synthesizer with

integrated VCO

 2-wire and 3-wire control

 Adjustable seek tuning

interface

 Automatic frequency control

 2.7 to 5.5 V supply voltage

(AFC)

Ordering Information:

 2.7 to 5.5 V supply voltage

 Automatic gain control (AGC)

 Excellent overload immunity

 Signal strength measurement

See page 34.

 Integrated LDO regulator allows

direct connection to battery

 2.5 x 2.5 mm 16-pin QFN

package

Pb-free/RoHS compliant

 RDS/RBDS Processor (Si4709)

Pin Assignments

(Top View)

 Programmable de-emphasis

(50/75 µs)

 Adaptive noise suppression

Si4708/09-GM

Applications

LOUT

 Cellular handsets

 MP3 players

 Portable navigation  USB FM radio

 Consumer electronics  PDAs

 Notebook PCs

FMI

12 ROUT

 Portable radios

GND

PAD

RFGND

11 GND

Description

The Si4708/09 is the world's smallest FM broadcast receiver, integrating

the complete tuner function from antenna input to stereo audio output with

RDS (Si4709).

10 V_D

RST

SEN

Functional Block Diagram

Patents pending

Headphone

Si4708/09

Cable

Notes:

1. To ensure proper operation and FM

receiver performance, follow the

guidelines in “AN350: Si4708/09

Antenna, Schematic, Layout, and

Design Guidelines" and “AN383:

Si47xx Antenna Selection and

Universal Layout Guidelines.” Silicon

Laboratories will evaluate schematics

and layouts for qualified customers.

2. Place Si4708/09 as close as possible

to antenna jack and keep the FMI

trace as short as possible.

LOUT

DAC

GPIO

ADC

FMI

LNA

PGA

DSP

RFGND

ADC

ROUT

GPO

AGC

TUNE

REG

0 / 90

LOW-IF

32.768 kHz

VIO

RST

RCLK

RDS

(Si4709)

AFC

SDIO

SCLK

SEN

RSSI

Confidential Rev. 1.4 3/10

Si4708/09-B

Silicon Laboratories Confidential. Information contained herein is covered under non-disclosure agreement (NDA).

12 3 4 5 6 7...42

中文翻译

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