SI4737-C40-GUR datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > Topical application> Wireless rf/communication> SI4737-C40-GUR

SI4737-C40-GUR: DescriptionRF Receiver Si4737 Broadcast AM/FM/WB RDS/RBDS; CategoryTopical application Wireless rf/communication; File Size1MB，42 Pages; ManufacturerSilicon Laboratories; Environmental Compliance

Download Datasheet Parametric Compare View All

SI4737-C40-GUR Online Shopping

Suppliers	Part Number	Price	MOQ	In stock
	SI4737-C40-GUR	-	-	View	Buy Now

SI4737-C40-GUR Overview

RF Receiver Si4737 Broadcast AM/FM/WB RDS/RBDS

SI4737-C40-GUR Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	Silicon Laboratories
Product Category	RF Receiver
RoHS	Details
Packaging	Reel
Moisture Sensitive	Yes
Factory Pack Quantity	2500

Preview

Download Datasheet

View All

Si4736/37/38/39-C40

ROADCAST

AM/FM R

ADIO

ECEIVER

Features



NOAA weather band support



AM/FM/WB digital tuning



No manual alignment necessary



Programmable reference clock



Volume control



Adjustable soft mute control



RDS/RBDS processor (Si4737/39)



Optional digital audio out (Si4737/39)



2-wire and 3-wire control interface



Integrated LDO regulator



2.0 to 5.5 V supply voltage (SSOP)



2.7 to 5.5 V supply voltage (QFN)



Wide range of ferrite loop sticks and

GPO3/DCLK

VIO

GPO2/INT

GPO1

(162.4–162.55 MHz)

Worldwide FM band support

(64–108 MHz)

Worldwide AM band support

(520–1710 kHz) (Si4736/37)

1050 Hz alert tone detection

Excellent real-world performance

Freq synthesizer with integrated VCO

Advanced AM/FM seek tuning

Automatic frequency control (AFC)

Automatic gain control (AGC)

Digital FM stereo decoder

Programmable AVC max gain

Programmable de-emphasis

Ordering Information:

See page 32.

Pin Assignments

Si4736/37/38/39 (QFN)

air loop antennas supported



QFN and SSOP packages



RoHS compliant

Applications

Emergency radios



Table and portable radios



Stereos



Mini/micro systems



15 DOUT

Boom boxes



Modules



Clock radios



Mini HiFi



FMI 2

RFGND 3

AMI 4

RST 5

SEN

SCLK

SDIO

RCLK

GND

PAD

11 VDD

Description

The Si4736/37/38/39 is the first digital CMOS AM/FM radio receiver IC that

integrates the complete tuner function from antenna input to audio output.

Si4736/37 (SSOP)

DOUT

LOUT

ROUT

DBYP

VDD

VIO

RCLK

SDIO

SCLK

SEN

RST

GND

DFS

GPO3/DCLK

GPO2/INT

Functional Block Diagram

Si473x

AMI

ANT

RFGND

LNA

AGC

FM/

ANT

ADC

FMI

LNA

AGC

2.7– 5.5 V (QFN)

2.0– 5.5 V (SSOP) VDD

GND

LDO

AFC

ADC

DSP

DAC

LOUT

RDS

(Si4737/

39)

LOW-IF

DIGITAL

AUDIO

(Si4737/

39)

DOUT

DFS

GPO/DCLK

GPO1

FMI

RFGND

DAC

ROUT

AMI

CONTROL

INTERFACE

VIO

1.85–3.6 V

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; 7,272,373;

7,272,375;

7,321,324;

7,355,476;

7,426,376;

7,471,940;

7,339,503;

7,339,504.

Rev. 1.0 12/09

RCLK

SCLK

SDIO

SEN

RST

Si4736/37/38/39-C40

DFS

14 LOUT

13 ROUT

12 GND

Si4736/37/38/39-C40

ABLE

Section

ONTENTS

Page

1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2. Typical Application Schematic (QFN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3. Typical Application Schematic (SSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

4. Bill of Materials (QFN/SSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.2. Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.3. FM Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

5.4. AM Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

5.5. Weather Band Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.6. Digital Audio Interface (Si4737/39 Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.7. Stereo Audio Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.8. De-emphasis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.9. Stereo DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

5.10. Soft Mute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.11. RDS/RBDS Processor (Si4737/39 Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.12. Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.13. Seek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.14. Reference Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.15. Control Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.16. GPO Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

5.17. Firmware Upgrades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

5.18. Reset, Powerup, and Powerdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

5.19. Programming with Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

6. Commands and Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

7. Pin Descriptions: Si4736/37/38/39-GM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

8. Pin Descriptions: Si4736/37-GU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

9. Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

10. Package Markings (Top Marks) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

10.1. Si4736/37/38/39 Top Mark (QFN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

10.2. Top Mark Explanation (QFN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

10.3. Si4736/37 Top Mark (SSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

10.4. Top Mark Explanation (SSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

11. Package Outline: Si4736/37/38/39 QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

12. PCB Land Pattern: Si4736/37/38/39 QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

13. Package Outline: Si4736/37 SSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

14. PCB Land Pattern: Si4736/37 SSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

15. Additional Reference Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Rev. 1.0

SI4737-C40-GUR Related Products

	SI4737-C40-GUR	Si4739-C40-GU	Si4739-C40-GM	Si4738-C40-GU	SI4737-C40-GMR	SI4738-C40-GMR	SI4736-C40-GMR	SI4736-C40-GUR	SI4739-C40-GUR
Description	RF Receiver Si4737 Broadcast AM/FM/WB RDS/RBDS	RF Receiver Broadcast FM/WB Recvr w/RDS/RBDS	RF Receiver Si4739 Broadcast FM/WB Radio Receiver	RF Receiver Broadcast FM/WB Radio Receiver	RF Receiver Si4737 Broadcast AM/FM/WB RDS/RBDS	RF Receiver Si4738 Broadcast FM/WB Radio Receiver	RF Receiver Si4736 Broadcast AM/FM/WB Radio Recvr	RF Receiver Si4736 Broadcast AM/FM/WB Radio Rcvr	RF Receiver Broadcast FM/WB Recvr w/RDS/RBDS
Product Attribute	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value
Manufacturer	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories
Product Category	RF Receiver	RF Receiver	RF Receiver	RF Receiver	RF Receiver	RF Receiver	RF Receiver	RF Receiver	RF Receiver
RoHS	Details	Details	Details	Details	Details	Details	Details	Details	Details
Packaging	Reel	Reel	Reel	Reel	Reel	Reel	Reel	Reel	Reel
Moisture Sensitive	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Factory Pack Quantity	2500	2500	2500	2500	2500	2500	2500	2500	2500

Recommended Resources

The three-phase four-wire active energy meter is connected to the circuit through the current transformer (2)

Maintenance and experiment of multi-purpose power circuits

Honghua CFXB series thermal insulation automatic rice cooker circuit diagram

555 time base circuit power adjustable charger circuit

Application of SCADA system based on PLC and MDS wireless data transmission radio in water plant (reposted): Application of SCADA system of PLC and MDS wireless data transmission radio in water plant This paper introduces the composition and function of wireless water supply dispatching system with S7-200 PL...; totopper Industrial Control Electronics

Technical article sharing: Using minDSP Codec to improve the audio performance of smartphones: The ultra-low power miniDSP audio Codec launched by Texas Instruments integrates dual miniDSP cores, which can provide high-performance voice and music processing capabilities for battery-powered port...; 德仪DSP新天地 DSP and ARM Processors

TPS40210 boost circuit heating problem: The circuit I made was based on the reference materials on the official website. It was 6V to 21V and output 20W. Why does the TPS40210 chip heat up very quickly after full load, reaching 70 or 80 deg...; yyc321 Power technology

Texas Instruments introduces new digital video software development kit: Texas Instruments (TI) has announced a new digital video software development kit based on DaVinci technology to further optimize the design of innovative digital video systems. This new software deve...; frozenviolet Automotive Electronics

Hang Seng Electronics (Hangzhou) recruits mobile embedded developers: Familiar with k-java platform and wince platform. More than one year of experience in mobile software development. Experience in mobile securities software is preferred. Contact MSN: wohuosile@hotmail...; twobyte Embedded System

The realization method of simulating serial communication through IO port of 89c51 single chip microcomputer: The commonly used MCS51 and PIC series microcontrollers usually have only one (or no) UART asynchronous serial communication interface. If multiple serial interfaces are required in the application sy...; zzzzer16 51mcu

Shortcut: E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF EG EH EI EJ EK EL EM EN EO EP EQ ER ES ET EU EV EW EX EY EZ F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF FG FH FI FJ FK FL FM FN FO FP FQ FR FS FT FU FV FW FX FY FZ G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 GA GB GC GD GE GF GG GH GI GJ GK GL GM GN GO GP GQ GR GS GT GU GV GW GX GZ H0 H1 H2 H3 H4 H5 H6 H7 H8 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ I1 I2 I3 I4 I5 I6 I7 IA IB IC ID IE IF IG IH II IK IL IM IN IO IP IQ IR IS IT IU IV IW IX J0 J1 J2 J6 J7 JA JB JC JD JE JF JG JH JJ JK JL JM JN JP JQ JR JS JT JV JW JX JZ K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA KB KC KD KE KF KG KH KI KJ KK KL KM KN KO KP KQ KR KS KT KU KV KW KX KY KZ

Popular Components