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SI4730-D60-GM

SI4730-D60-GM

  • 厂商:

    SILABS(芯科科技)

  • 封装:

    UFQFN20_EP

  • 描述:

    - RF Receiver AM, FM 520kHz ~ 1.71MHz, 64MHz ~ 108MHz PCB, Surface Mount 20-QFN (3x3)

  • 数据手册
  • 价格&库存
SI4730-D60-GM 数据手册
Si4730/31/34/35-D60 B R O A D C A S T A M / F M / S W / LW R A D I O R EC EIVER Features             Worldwide FM band support (64–108 MHz) Worldwide AM band support (520–1710 kHz) SW band support (Si4734/35) (2.3–26.1 MHz) LW band support (Si4734/35) (153–279 kHz) Excellent real-world performance Integrated VCO Advanced AM/FM seek tuning Automatic frequency control (AFC) Automatic gain control (AGC) Digital FM stereo decoder Programmable de-emphasis Advanced Audio Processing             Seven selectable AM channel filters AM/FM/SW/LW digital tuning EN55020 compliant No manual alignment necessary Programmable reference clock Adjustable soft mute control RDS/RBDS processor (Si4731/35) Digital audio out 2-wire and 3-wire control interface Integrated LDO regulator Wide range of ferrite loop sticks and air loop antennas supported QFN and SSOP packages RoHS compliant Ordering Information: See page 30. Pin Assignments NC GPO1 GPO2/[INT] GPO3/[DCLK] DFS Si473x-D60 (QFN) 20 19 18 17 16 Applications NC FM / SW ANT Si473x-D 60 RDS (Si4731/ 35) FM I LN A AMI ADC ADC R OU T DAC LO U T C O N TR O L IN TER FA C E A FC RCLK LD O DAC VD 1.62 - 3.6 V RST Mux VA GN D G PO /D C LK SDIO AGC D FS D SP SEN 2.7~5.5 V (Q FN ) 2.0~5.5 V (SSO P ) Mux LN A SCLK R FGN D D IG ITA L A U D IO LO W -IF AGC A M / LW ANT D OU T 13 ROUT/[DOUT] RST 5 SEN Functional Block Diagram 14 LOUT/[DFS] GND PAD AMI 4 6 The Si473x-D60 digital CMOS AM/FM radio receiver IC integrates the complete broadcast tuner and receiver function from antenna input to digital audio output. The device leverages the Skyworks broadcast proven digital low-IF architecture, enabling a cost-effective, digital audio platform for consumer electronic applications with high TDMA noise immunity, superior radio performance, and high fidelity audio power amplification. 15 DOUT RFGND 3 Description + 1 FMI 2 12 GND 7 8 9 10 VD Modules for consumer electronics Clock radios  Mini HiFi and docking stations  Entertainment systems RCLK  Table and portable radios Mini/micro systems  CD/DVD and Blu-ray players  Stereo boom boxes SDIO   SCLK  11 VA Si473x-D60(SSOP) DOUT 1 24 LOUT/[DFS] DFS 2 23 ROUT/[DOUT] GPO3/[DCLK] 3 22 DBYP GPO2/[INT] 4 21 VA GPO1 5 20 VD NC 6 19 RCLK NC 7 18 SDIO FMI 8 17 SCLK RFGND 9 16 SEN NC 10 15 RST NC 11 14 GND AMI 12 13 GND 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. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 TA B L E O F C O N T E N T S Section Page 1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 2. Typical Application Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.1. QFN Typical Application Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.2. SSOP Typical Application Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 3. Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.1. QFN/SSOP Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 4. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.2. Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.3. FM Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 4.4. AM Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 4.5. SW Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.6. LW Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 4.7. Digital Audio Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 4.8. Stereo Audio Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.9. Received Signal Qualifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.10. Volume Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.11. Stereo DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.12. Soft Mute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.13. FM Hi-Cut Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.14. De-emphasis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.15. RDS/RBDS Processor (Si4731/35 Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.16. Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.17. Seek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.18. Reference Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.19. Control Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.20. GPO Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.21. Firmware Upgrades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 4.22. Reset, Powerup, and Powerdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.23. 2 V Operation (SSOP Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4.24. Programming with Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 5. Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 5.1. Si473x-D60-GM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 5.2. Si473x-D60-GU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 6. Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 7. Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 7.1. Si473x-D60 QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 7.2. Si473x-D60 SSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 8. PCB Land Pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 8.1. Si473x-D60 QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 8.2. Si473x-D60 SSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 2 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 9. Top Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36 9.1. Si473x-D60 Top Marking (QFN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 9.2. Top Marking Explanation (QFN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 9.3. Si473x-D60 Top Marking (SSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 9.4. Top Marking Explanation (SSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 10. Additional Reference Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 3 Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 1. Electrical Specifications Table 1. Recommended Operating Conditions1 Parameter Symbol Test Condition Min Typ Max Unit Analog Supply Voltage VA 2.72 — 5.5 V Digital and I/O Supply Voltage VD 1.62 — 3.6 V Power Supply Powerup Rise Time VDDRISE 10 — — µs Interface Power Supply Powerup Rise Time VIORISE 10 — — µs TA –20 25 85 C Ambient Temperature Notes: 1. All minimum and maximum specifications apply across the recommended operating conditions. Typical values apply at VA = 3.3 V and 25 C unless otherwise stated. 2. SSOP devices operate down to 2 V at 25 °C. See section “4.23. 2 V Operation (SSOP Only)” for details. 4 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 2. DC Characteristics (VA = 2.7 to 5.5 V, VD = 1.62 to 3.6 V, TA = –20 to 85 °C) Parameter Symbol Test Condition Min Typ Max — 8.2 9.5 — 10.5 13.5 — 18.5 21.5 Unit FM Mode VAQFN Supply Current IFMVA VDQFN Supply Current IFMVD VASSOP Supply Current IFMVA VDSSOP Supply Current IFMVD — 0.15 0.6 VAQFN Supply Current IFMVA — 9.1 10.3 VDQFN Supply Current IFMVD — 9.9 12.8 VASSOP Supply Current IFMVA — 19.1 21.3 VDSSOP Supply Current IFMVD 0.1 0.6 — 6.5 7.5 — 8.5 11.0 — 14.5 16.5 Digital Output Mode1 Analog Output Mode2 mA AM Mode VAQFN Supply Current IAMVA VDQFN Supply Current IAMVD VASSOP Supply Current IAMVA VDSSOP Supply Current IAMVD — 0.15 0.50 VAQFN Supply Current IAMVA — 7.5 8.5 VDQFN Supply Current IAMVD — 8 10.2 VASSOP Supply Current IAMVA — 15.3 17.2 VDSSOP Supply Current IAMVD — 0.1 0.4 — 4 15 — 9.5 15 SCLK, RCLK inactive — 3 10 SCLK, RCLK inactive — 3 10 Digital Output Mode Analog Output Mode mA Powerdown VAQFN Powerdown Current VASSOP Powerdown Current VDQFN Powerdown Current VDSSOP Powerdown Current IAPD IDPD µA µA High Level Input Voltage3 VIH 0.7 x VD — VD + 0.3 V Voltage3 VIL –0.3 — 0.3 x VD V High Level Input Current3 IIH VIN = VD = 3.6 V –10 — 10 µA Current3 IIL VIN = 0 V, VD = 3.6 V –10 — 10 µA High Level Output Voltage4 VOH IOUT = 500 µA 0.8 x VD — — V Voltage4 VOL IOUT = –500 µA — — 0.2 x VD V Low Level Input Low Level Input Low Level Output Notes: 1. Guaranteed by characterization. 2. Backwards compatible mode to rev B and rev C. Additional features on this device may increase typical supply current. 3. For input pins SCLK, SEN, SDIO, RST, RCLK, DCLK, DFS, GPO1, GPO2, and GPO3. 4. For output pins SDIO, DOUT, GPO1, GPO2, and GPO3. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 5 Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 3. Reset Timing Characteristics1,2,3 (VA = 2.7 to 5.5 V, VD = 1.62 to 3.6 V, TA = –20 to 85 °C) Parameter Symbol Min Typ Max Unit RST Pulse Width and GPO1, GPO2/INT Setup to RST tSRST 100 — — µs GPO1, GPO2/INT Hold from RST tHRST 30 — — ns RST Pulse Release time before VDD/VIO turn off tRRST 30 — — ns Important Notes: 1. When selecting 2-wire mode, the user must ensure that a 2-wire start condition (falling edge of SDIO while SCLK is high) does not occur within 300 ns before the rising edge of RST. 2. When selecting 2-wire mode, the user must ensure that SCLK is high during the rising edge of RST, and stays high until after the first start condition. 3. When selecting 3-wire mode, the user must ensure that a rising edge of SCLK does not occur within 300 ns before the rising edge of RST. 4. If GPO1 and GPO2 are actively driven by the user, then minimum tSRST is only 30 ns. If GPO1 or GPO2 is hi-Z, then minimum tSRST is 100 µs, to provide time for on-chip 1 M devices (active while RST is low) to pull GPO1 high and GPO2 low. 5. RST must be held low for at least 100 µs after all voltage supplies have been ramped up. 6. RST needs to be asserted (pulled low) prior to any supply voltage being ramped down. Figure 1. Reset Timing Parameters for Busmode Select 6 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 4. 2-Wire Control Interface Characteristics1,2,3 (VA = 2.7 to 5.5 V, VD = 1.62 to 3.6 V, TA = –20 to 85 °C) Parameter Symbol Test Condition Min Typ Max Unit SCLK Frequency fSCL 0 — 400 kHz SCLK Low Time tLOW 1.3 — — µs SCLK High Time tHIGH 0.6 — — µs SCLK Input to SDIO  Setup (START) tSU:STA 0.6 — — µs SCLK Input to SDIO  Hold (START) tHD:STA 0.6 — — µs SDIO Input to SCLK  Setup tSU:DAT 100 — — ns SDIO Input to SCLK  Hold4,5 tHD:DAT 0 — 900 ns SCLK input to SDIO  Setup (STOP) tSU:STO 0.6 — — µs STOP to START Time tBUF 1.3 — — µs SDIO Output Fall Time tf:OUT — 250 ns — 300 ns Cb 20 + 0.1 ----------1pF SDIO Input, SCLK Rise/Fall Time tf:IN tr:IN Cb 20 + 0.1 ----------1pF SCLK, SDIO Capacitive Loading Cb — — 50 pF Input Filter Pulse Suppression tSP — — 50 ns Notes: 1. When VD = 0 V, SCLK and SDIO are low impedance. 2. When selecting 2-wire mode, the user must ensure that a 2-wire start condition (falling edge of SDIO while SCLK is high) does not occur within 300 ns before the rising edge of RST. 3. When selecting 2-wire mode, the user must ensure that SCLK is high during the rising edge of RST, and stays high until after the first start condition. 4. The Si473x-D60 delays SDIO by a minimum of 300 ns from the VIH threshold of SCLK to comply with the minimum tHD:DAT specification. 5. The maximum tHD:DAT has only to be met when fSCL = 400 kHz. At frequencies below 400 KHz, tHD:DAT may be violated as long as all other timing parameters are met. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 7 Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 SCLK 70% SDIO 70% tSU:STA tHD:STA tLOW START tr:IN tHIGH tr:IN tf:IN tSP tSU:STO tBUF 30% 30% tf:IN, tf:OUT tHD:DAT tSU:DAT STOP START Figure 2. 2-Wire Control Interface Read and Write Timing Parameters SCLK A6-A0, R/W SDIO START ADDRESS + R/W D7-D0 ACK DATA D7-D0 ACK DATA ACK STOP Figure 3. 2-Wire Control Interface Read and Write Timing Diagram 8 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 5. 3-Wire Control Interface Characteristics (VA = 2.7 to 5.5 V, VD = 1.62 to 3.6 V, TA = –20 to 85 °C) Parameter Symbol Test Condition Min Typ Max Unit SCLK Frequency fCLK 0 — 2.5 MHz SCLK High Time tHIGH 25 — — ns SCLK Low Time tLOW 25 — — ns tS 20 — — ns SDIO Input to SCLKHold tHSDIO 10 — — ns SEN Input to SCLKHold tHSEN 10 — — ns SCLKto SDIO Output Valid tCDV Read 2 — 25 ns SCLKto SDIO Output High Z tCDZ Read 2 — 25 ns SCLK, SEN, SDIO, Rise/Fall time tR, tF — — 10 ns SDIO Input, SEN to SCLKSetup Note: When selecting 3-wire mode, the user must ensure that a rising edge of SCLK does not occur within 300 ns before the rising edge of RST. SCLK 70% 30% tR tF tHSDIO tS SEN 70% SDIO 70% tHIGH tLOW tHSEN tS 30% A7 30% A6-A5, R/W, A4-A1 A0 D15 D14-D1 Address In D0 Data In Figure 4. 3-Wire Control Interface Write Timing Parameters SCLK 70% SEN 70% 30% tHSDIO tS tCDV tHSEN tCDZ tS 30% 70% SDIO A7 30% A6-A5, R/W, A4-A1 Address In A0 D15 ½ Cycle Bus Turnaround D14-D1 D0 Data Out Figure 5. 3-Wire Control Interface Read Timing Parameters Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 9 Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 6. Digital Audio Interface Characteristics (VA = 2.7 to 5.5 V, VD = 1.62 to 3.6 V, TA = –20 to 85 °C) Parameter Symbol Test Condition Min Typ Max Unit DCLK Cycle Time tDCT 26 — 1000 ns DCLK Pulse Width High tDCH 10 — — ns DCLK Pulse Width Low tDCL 10 — — ns DFS Set-up Time to DCLK Rising Edge tSU:DFS 5 — — ns DFS Hold Time from DCLK Rising Edge tHD:DFS 5 — — ns tPD:DOUT 0 — 50 ns DOUT Propagation Delay from DCLK Falling Edge tDCH tDCL DCLK tDCT DFS tHD:DFS tSU:DFS DOUT tPD:OUT Figure 6. Digital Audio Interface Timing Parameters, I2S Mode 10 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 7. FM Receiver Characteristics1,2 (VA = 2.7 to 5.5 V, VD = 1.62 to 3.6 V, TA = –20 to 85 °C) Parameter Symbol Min Typ Max Unit 76 — 108 MHz (S+N)/N = 26 dB — 2.2 3.5 µV EMF f = 2 kHz, RDS BLER < 5% — 10 — µV EMF 3 4 5 k 4 5 6 pF 100 105 — dBµV EMF m = 0.3 40 50 — dB Adjacent Channel Selectivity ±200 kHz 35 50 — dB Alternate Channel Selectivity ±400 kHz 60 70 — dB In-band 35 — — dB 72 80 90 mVRMS — — 1 dB Input Frequency fRF Sensitivity3,4,5,6 RDS Test Condition Sensitivity6,7 LNA Input Resistance7,8 7,8 LNA Input Capacitance Input IP37,9 AM Suppression3,4,7,8 Spurious Response Rejection7 3,4,8 Audio Output Voltage 3,8,10 Audio Output L/R Imbalance Audio Frequency Response Low7 –3 dB — — 30 Hz Audio Frequency Response High7 –3 dB 15 — — kHz 35 42 — dB 55 63 — dB — 58 — dB — 0.1 0.5 % FM_DEEMPHASIS = 2 70 75 80 µs FM_DEEMPHASIS = 1 45 50 54 µs f = ±400 kHz — 34 — dBµV f = ±4 MHz — 30 — dBµV Audio Stereo Separation Audio Mono 8,10 S/N3,4,5,8 Audio Stereo S/N4,5,7,8 Audio THD3,8,10 7 De-emphasis Time Constant 3,4,5,6,7,11,12 Blocking Sensitivity Notes: 1. Additional testing information is available in “AN388: Si470x/1x/2x/3x/4x Evaluation Board Test Procedure.” Volume = maximum for all tests. Tested at RF = 98.1 MHz. 2. To ensure proper operation and receiver performance, follow the guidelines in “AN383: Si47xx Antenna, Schematic, Layout, and Design Guidelines.” Skyworks will evaluate schematics and layouts for qualified customers. 3. FMOD = 1 kHz, 75 µs de-emphasis, MONO = enabled, and L = R unless noted otherwise. 4. f = 22.5 kHz. 5. BAF = 300 Hz to 15 kHz, A-weighted. 6. Analog audio output mode. 7. Guaranteed by characterization. 8. VEMF = 1 mV. 9. |f2 – f1| > 2 MHz, f0 = 2 x f1 – f2. AGC is disabled. 10. f = 75 kHz. 11. Sensitivity measured at (S+N)/N = 26 dB. 12. Blocker Amplitude = 100 dBuV. 13. At temperature (25 °C). 14. At LOUT and ROUT pins. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 11 Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 7. FM Receiver Characteristics1,2 (Continued) (VA = 2.7 to 5.5 V, VD = 1.62 to 3.6 V, TA = –20 to 85 °C) Parameter Symbol Test Condition Min Typ Max Unit f = ±400 kHz, ±800 kHz — 40 — dBµV f = ±4 MHz, ±8 MHz — 35 — dBµV RL Single-ended 10 — — k CL Single-ended — — 50 pF RCLK tolerance = 100 ppm — — 60 ms/channel Powerup Time7 From powerdown — — 110 ms RSSI Offset12,13 Input levels of 8 and 60 dBµV at RF Input –3 — 3 dB Intermod Sensitivity3,4,5,6,7,11,12 Audio Output Load Resistance7,11,14 Audio Output Load Capacitance7,11,14 Seek/Tune Time7 Notes: 1. Additional testing information is available in “AN388: Si470x/1x/2x/3x/4x Evaluation Board Test Procedure.” Volume = maximum for all tests. Tested at RF = 98.1 MHz. 2. To ensure proper operation and receiver performance, follow the guidelines in “AN383: Si47xx Antenna, Schematic, Layout, and Design Guidelines.” Skyworks will evaluate schematics and layouts for qualified customers. 3. FMOD = 1 kHz, 75 µs de-emphasis, MONO = enabled, and L = R unless noted otherwise. 4. f = 22.5 kHz. 5. BAF = 300 Hz to 15 kHz, A-weighted. 6. Analog audio output mode. 7. Guaranteed by characterization. 8. VEMF = 1 mV. 9. |f2 – f1| > 2 MHz, f0 = 2 x f1 – f2. AGC is disabled. 10. f = 75 kHz. 11. Sensitivity measured at (S+N)/N = 26 dB. 12. Blocker Amplitude = 100 dBuV. 13. At temperature (25 °C). 14. At LOUT and ROUT pins. 12 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 8. 64–75.9 MHz Input Frequency FM Receiver Characteristics1,2,3 (VA = 2.7 to 5.5 V, VD = 1.62 to 3.6 V, TA = –20 to 85 °C) Parameter Symbol Min Typ Max Unit 64 — 75.9 MHz — 3.5 — µV EMF 3 4 5 k 4 5 6 pF — 105 — dBµV EMF m = 0.3 — 50 — dB Adjacent Channel Selectivity ±200 kHz — 50 — dB Alternate Channel Selectivity ±400 kHz — 70 — dB 72 80 90 mVRMS — — 1 dB Input Frequency fRF Sensitivity 4,5,6,8 LNA Input Resistance3,7 (S+N)/N = 26 dB LNA Input Capacitance Input IP3 Test Condition 3,7 9 AM Suppression3,4,5,7 Audio Output Voltage4,5,7 Audio Output L/R Imbalance4,7,10 3 –3 dB — — 30 Hz 3 –3 dB 15 — — kHz Audio Mono S/N4,3,5,7,11 — 63 — dB Audio THD4,7,10 — 0.1 — % FM_DEEMPHASIS = 2 70 75 80 µs FM_DEEMPHASIS = 1 45 50 54 µs Audio Frequency Response Low Audio Frequency Response High De-emphasis Time Constant Audio Output Load Resistance3,11 RL Single-ended 10 — — k Audio Output Load Capacitance3,11 CL Single-ended — — 50 pF RCLK tolerance = 100 ppm — — 60 ms/channel From powerdown — — 110 ms Input levels of 8 and 60 dBµV EMF –3 — 3 dB Seek/Tune Time Powerup Time3 12 RSSI Offset 3 Notes: 1. Additional testing information is available in “AN388: Si470x/1x/2x/3x/4x Evaluation Board Test Procedure.” Volume = maximum for all tests. Tested at RF = 98.1 MHz. 2. To ensure proper operation and receiver performance, follow the guidelines in “AN383: Si47xx Antenna, Schematic, Layout, and Design Guidelines.” Skyworks will evaluate schematics and layouts for qualified customers. 3. Guaranteed by characterization. 4. FMOD = 1 kHz, 75 µs de-emphasis, MONO = enabled, and L = R unless noted otherwise. 5. f = 22.5 kHz. 6. BAF = 300 Hz to 15 kHz, A-weighted. 7. VEMF = 1 mV. 8. Analog output mode. 9. |f2 – f1| > 2 MHz, f0 = 2 x f1 – f2. AGC is disabled. 10. f = 75 kHz. 11. At LOUT and ROUT pins. 12. At temperature (25 °C). Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 13 Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 9. AM/SW/LW Receiver Characteristics1,2 (VA = 2.7 to 5.5 V, VA = 1.62 to 3.6 V, TA = –20 to 85 °C) Parameter Input Frequency Sensitivity 3,4,5 Large Signal Voltage Handling5,6 Power Supply Rejection Ratio5 Symbol Test Condition Min Typ Max Unit fRF Long Wave (LW) 153 — 279 kHz Medium Wave (AM) 520 — 1710 kHz Short Wave (SW) 2.3 — 26.1 MHz (S+N)/N = 26 dB — 25 35 µV EMF THD < 8% — 300 — mVRMS ΔVDD = 100 mVRMS, 100 Hz — 40 — dB Audio Output Voltage3,7 54 60 67 mVRMS S/N3,4,7 — 60 — dB Audio THD3,7 — 0.1 0.5 % Long Wave (LW) — 2800 — µH Medium Wave (AM) 180 — 450 µH From powerdown — — 110 ms Audio Antenna Inductance5,8 Powerup Time 5 Notes: 1. Additional testing information is available in “AN388: Si470x/1x/2x/3x/4x Evaluation Board Test Procedure.” Volume = maximum for all tests. Tested at RF = 520 kHz. 2. To ensure proper operation and receiver performance, follow the guidelines in “AN383: Si47xx Antenna, Schematic, Layout, and Design Guidelines.” Skyworks will evaluate schematics and layouts for qualified customers. 3. FMOD = 1 kHz, 30% modulation, 2 kHz channel filter. 4. BAF = 300 Hz to 15 kHz, A-weighted. 5. Guaranteed by characterization. 6. See “AN388: Si470x/1x/2x/3x/4x Evaluation Board Test Procedure” for evaluation method. 7. VIN = 5 mVrms. 8. Stray capacitance on antenna and board must be < 10 pF to achieve full tuning range at higher inductance levels. 14 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 10. Reference Clock and Crystal Characteristics (VA = 2.7 to 5.5 V, VD = 1.62 to 3.6 V, TA = –20 to 85 °C) Parameter Symbol Test Condition Min Typ Max Unit 31.130 32.768 40,000 kHz –100 — 100 ppm 1 — 4095 31.130 32.768 34.406 kHz Crystal Oscillator Frequency — 32.768 — kHz Crystal Frequency Tolerance2 –100 — 100 ppm Board Capacitance — — 3.5 pF ESR — — 50  CL3 7 12 22 pF CL–single ended3 14 24 44 pF Reference Clock RCLK Supported Frequencies1 RCLK Frequency Tolerance2 REFCLK_PRESCALE REFCLK Crystal Oscillator Notes: 1. The Si473x-D60 divides the RCLK input by REFCLK_PRESCALE to obtain REFCLK. There are some RCLK frequencies between 31.130 kHz and 40 MHz that are not supported. For more details, see Table 6 of “AN332: Si47xx Programming Guide”. 2. A frequency tolerance of ±50 ppm is required for FM seek/tune using 50 kHz channel spacing and AM seek/tune in SW frequencies. 3. Guaranteed by characterization. Table 11. Thermal Conditions Parameter Symbol Min Typ Max Unit Thermal Resistance* JA — 80 — °C/W Ambient Temperature TA –20 25 85 °C Junction Temperature TJ — — 92 °C *Note: Thermal resistance assumes a multi-layer PCB with the exposed pad soldered to a topside PCB pad. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 15 Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 Table 12. Absolute Maximum Ratings1,2 Parameter Symbol Value Unit Analog Supply Voltage VA –0.5 to 5.8 V Digital and I/O Supply Voltage VD –0.5 to 3.9 V Input Current3 IIN 10 mA 3 Input Voltage VIN –0.3 to (VIO + 0.3) V Operating Temperature TOP –40 to 95 C Storage Temperature TSTG –55 to 150 C 0.4 Vpk RF Input Level4 Notes: 1. Permanent device damage may occur if the above Absolute Maximum Ratings are exceeded. Functional operation should be restricted to the conditions as specified in the operational sections of this data sheet. Exposure beyond recommended operating conditions for extended periods may affect device reliability. 2. The Si473x-D60 devices are high-performance RF integrated circuits with certain pins having an ESD rating of < 2 kV HBM. Handling and assembly of these devices should only be done at ESD-protected workstations. 3. For input pins DFS, SCLK, SEN, SDIO, RST, RCLK, GPO1, GPO2, GPO3, and DCLK. 4. At RF input pins FMI and AMI. 16 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 2. Typical Application Schematic 2.1. QFN Typical Application Schematic 2SWLRQDO'LJLWDO$XGLR2XW 2302'([%[% & *32 *32,17 5 *32'&/.   5287 6L[ *1'   /287  5287  WR9  & 9$  9' 9$ 5&/. '287 ')6   *32'&/. /287 '  ')6 5 '287 567% 6(1%  $0,  & 5)*1' 6',2  / )0,   *32,17 1&  6&/. )0$QWHQQD 1&   & *32  5 WR9 & 567% 9' 5&/. 6',2 6&/. 6(1% 2SWLRQDO$0$LU/RRS$QWHQQD  *32 7 1 & 5&/. ; $0, & 3  / & 5)*1' 2SWLRQDO)RU&U\VWDO26& Notes: 1. Place C1 close to VA pin and C4 close to VD pin. 2. All grounds connect directly to GND plane on PCB. 3. Pins 1 and 20 are no connects, leave floating. 4. To ensure proper operation and receiver performance, follow the guidelines in “AN383: Si47xx Antenna, Schematic, Layout, and Design Guidelines.” Skyworks will evaluate schematics and layouts for qualified customers. 5. Pin 2 connects to the FM antenna interface, and pin 4 connects to the AM antenna interface. 6. Place Si473x-D60 as close as possible to antenna and keep the FMI and AMI traces as short as possible. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 17 Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 10, 2021 Si4730/31/34/35-D60 2.2. SSOP Typical Application Schematic 2SWLRQDO'LJLWDO$XGLR2XW 2302'([%[% & *32'&/.  5  5   *32,17  *32 & )0$QWHQQD '287 /287 ')6 5287 *32'&/. '%
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