SI4736-C40-GU Silicon Laboratories Inc, SI4736-C40-GU Datasheet
SI4736-C40-GU
Specifications of SI4736-C40-GU
Related parts for SI4736-C40-GU
SI4736-C40-GU Summary of contents
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... Emergency radios Table and portable radios Stereos Mini/micro systems 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. Functional Block Diagram AMI AM LNA ANT RFGND AGC ...
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... Si4736/37/38/39-C40 2 Rev. 1.0 ...
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... Top Mark Explanation (QFN 10.3. Si4736/37 Top Mark (SSOP 10.4. Top Mark Explanation (SSOP 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 Si4736/37/38/39-C40 Rev ...
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... Exposure beyond recommended operating conditions for extended periods may affect device reliability. 2. The Si4736/37/38/39 devices are high-performance RF integrated circuits with certain pins having an ESD rating of < HBM. Handling and assembly of these devices should only be done at ESD-protected workstations. ...
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... Specifications are guaranteed by characterization. 2. LNA is automatically switched to higher current mode for optimum sensitivity in weak signal conditions. 3. For input pins SCLK, SEN, SDIO, RST, RCLK, and DCLK. 4. For output pins SDIO, DOUT, GPO1, GPO2, and GPO3. Si4736/37/38/39-C40 = – °C) A Symbol Test Condition ...
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... Si4736/37/38/39-C40 Table 4. Reset Timing Characteristics (V = 2 1. Parameter RST Pulse Width and GPO1, GPO2/INT Setup to RST GPO1, GPO2/INT Hold from RST 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 ...
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... 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 Si4736/37/38/39 delays SDIO by a minimum of 300 ns from the V minimum t specification. ...
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... Si4736/37/38/39-C40 SU:STA HD:STA LOW 70% SCLK 30% 70% SDIO 30% START t r:IN Figure 2. 2-Wire Control Interface Read and Write Timing Parameters SCLK A6-A0, SDIO R/W START ADDRESS + R/W Figure 3. 2-Wire Control Interface Read and Write Timing Diagram HIGH t r:IN f: HD:DAT SU:DAT D7-D0 ACK DATA ACK Rev ...
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... SCLK 30 70% SEN 30% 70% SDIO A7 30% Figure 4. 3-Wire Control Interface Write Timing Parameters 70% SCLK 30 70% SEN 30% 70% SDIO A7 30% Figure 5. 3-Wire Control Interface Read Timing Parameters Si4736/37/38/39-C40 = – °C) A Symbol Test Condition f CLK t HIGH t LOW HSDIO t HSEN t Read CDV t Read CDZ ...
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... Si4736/37/38/39-C40 Table 7. SPI Control Interface Characteristics (V = 2 1. Parameter SCLK Frequency SCLK High Time SCLK Low Time SDIO Input, SEN to SCLKSetup SDIO Input to SCLKHold Hold SEN Input to SCLK to SDIO Output Valid SCLK ...
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... DCLK Pulse Width Low DFS Set-up Time to DCLK Rising Edge DFS Hold Time from DCLK Rising Edge DOUT Propagation Delay from DCLK Falling Edge t DCH DCLK DFS DOUT t Figure 8. Digital Audio Interface Timing Parameters, I Si4736/37/38/39-C40 = – °C) A Symbol Test Condition t DCT t DCH t DCL t SU:DFS ...
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... Si4736/37/38/39-C40 Table 9. FM Receiver Characteristics (V = 2 1. Parameter Input Frequency Sensitivity with Headphone 3,4,5 Network Sensitivity with 50 Network 3,4,5,6 6 RDS Sensitivity 6,7 LNA Input Resistance 6,7 LNA Input Capacitance 6,8 Input IP3 3,4,6,7 AM Suppression Adjacent Channel Selectivity Alternate Channel Selectivity ...
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... At L and R pins. OUT OUT 11. Analog audio output mode. 12. Blocker Amplitude = 100 dBµV 13. Sensitivity measured at (S+N)/ dB. 14. At temperature (25°C). Si4736/37/38/39-C40 1,2 (Continued) = – °C) A Symbol Test Condition f = ±400 kHz f = ±4 MHz f = ±400 kHz, ±800 kHz f = ±4 MHz, ±8 MHz ...
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... Si4736/37/38/39-C40 Table 10. 64–75.9 MHz Input Frequency FM Receiver Characteristics (V = 2 1. Parameter Input Frequency Sensitivity with Headphone 3,4,5 Network 7 LNA Input Resistance 7 LNA Input Capacitance 8 Input IP3 3,4,7 AM Suppression Adjacent Channel Selectivity Alternate Channel Selectivity 3,4,7 Audio Output Voltage ...
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... B = 300 kHz, A-weighted Guaranteed by characterization. 7. See “AN388: Si470x/1x/2x/3x/4x Evaluation Board Test Procedure” for evaluation method mVrms Stray capacitance on antenna and board must be < achieve full tuning range at higher inductance levels. Si4736/37/38/39-C40 °C) A Symbol Test Condition f R SINAD = 12 dB ±25 kHz Mono – ...
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... Crystal Frequency Tolerance Board Capacitance Notes: 1. The Si4736/37/38/39 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” frequency tolerance of ±50 ppm is required for FM seek/tune using 50 kHz channel spacing and WB tune. ...
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... Layout, and Design Guidelines.” Silicon Laboratories 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 Si4736/37/38/39 as close as possible to antenna and keep the FMI and AMI traces as short as possible. Si4736/37/38/39-C40 ...
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... To ensure proper operation and receiver performance, follow the guidelines in “AN383: Si47xx Antenna, Schematic, Layout, and Design Guidelines.” Silicon Laboratories will evaluate schematics and layouts for qualified customers. 6. Pin 8 connects to the FM antenna interface, and pin 12 connects to the AM antenna interface. 7. Place Si4736/37/38/39 as close as possible to antenna and keep the FMI and AMI traces as short as possible ...
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... C1 Supply bypass capacitor, 22 nF, ±20%, Z5U/X7R C5 Coupling capacitor, 0.47 µF, ±20%, Z5U/X7R L1 Ferrite loop stick, 180 U1 Si4736/37/38/39 AM/FM Radio Tuner T1 Transformer, 1–5 turns ratio L2 Air loop antenna, 10–20 µH C2, C3 Crystal load capacitors, 22 pF, ±5%, COG (Optional for crystal oscillator option) ...
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... Using this feature, the Si4737/39 enables broadcast data such as station identification and song name to be displayed to the user. 5.2. Operating Modes The Si4736/37/38/39 operates receive receive weather band receive mode mode and WB mode, radio signals are received on FMI and processed by the FM front-end circuitry mode, ...
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... FM Receiver The Si4736/37/38/39 FM receiver is based on the proven Si4700/01 FM tuner. The receiver uses a digital low-IF architecture allowing the elimination of external components and factory adjustments. Si4736/37/38/39 integrates a low noise amplifier (LNA) supporting the worldwide FM broadcast band (64 to 108 MHz). An AGC circuit controls the gain of the LNA to optimize sensitivity and rejection of strong interferers ...
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... Si4736/37/38/39-C40 INVERTED (OFALL = 1) DCLK (OFALL = 0) DCLK DFS (OMODE = 0000) 1 DCLK DOUT 1 2 MSB INVERTED (OFALL = 1) DCLK (OFALL = 0) DCLK DFS Left-Justified (OMODE = 0110) DOUT 1 2 MSB Figure 11. Left-Justified Digital Audio Format (OFALL = 0) DCLK DFS DOUT 1 (OMODE = 1100) st (MSB at 1 rising edge) MSB ...
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... Frequency (kHz) Figure 13. MPX Signal Spectrum 5.7.1. Stereo Decoder The Si4736/37/38/39's integrated stereo decoder automatically decodes the MPX signal using DSP techniques. The kHz (L+R) signal is the mono output of the FM tuner. Stereo is generated from the (L+R), (L–R), and a 19 kHz pilot tone. The pilot tone is used as a reference to recover the (L– ...
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... Si4736/37/38/39 and receive responses from the device. The serial port can operate in three bus modes: 2-wire mode, 3-wire mode, or SPI mode. The Si4736/37/38/39 selects the bus mode by sampling the state of the GPO1 and GPO2 pins on the rising edge of 24 RST. The GPO1 pin includes an internal pull-up resistor, ...
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... SCLK. For read operations, the control word is followed by a delay of one-half SCLK cycle for bus turn-around. Next, the Si4736/37/38/39 will drive the 16-bit read data word serially on SDIO, changing the state of SDIO on each rising edge of SCLK. A transaction ends when the user sets SEN high, then pulses SCLK high and low one final time ...
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... Responses provide the user information and are echoed after a command and associated arguments are issued. All commands provide a 1-byte status update, indicating interrupt and clear-to-send status information. For a detailed description of the commands and properties for the Si4736/37/38/39, see “AN332: Si47xx Programming Guide.” Rev. 1.0 using commands, ...
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... AM_SEEK_START 0x43 AM_RSQ_STATUS 0x50 WB_TUNE_FREQ 0x53 WB_RSQ_STATUS Si4736/37/38/39-C40 Description Powerup device and mode selection. Modes include receive, analog or digital output, and reference clock or crystal support. Returns revision information on the device. Powerdown device. Sets the value of a property. Retrieves a property’s value. ...
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... Si4736/37/38/39-C40 Prop Name 0x1100 FM_DEEMPHASIS FM_BLEND_STEREO_ 0x1105 THRESHOLD FM_BLEND_MONO_ 0x1106 THRESHOLD FM_RSQ_INT_ 0x1200 SOURCE 0x1300 FM_SOFT_MUTE_RATE FM_SOFT_MUTE_ 0x1302 MAX_ATTENUATION FM_SOFT_MUTE_ 0x1303 SNR_THRESHOLD FM_SEEK_BAND_ 0x1400 BOTTOM 0x1401 FM_SEEK_BAND_TOP FM_SEEK_FREQ_ 0x1402 SPACING FM_SEEK_TUNE_ 0x1403 SNR_THRESHOLD FM_SEEK_TUNE_ 0x1404 RSSI_TRESHOLD 0x1500 RDS_INT_SOURCE 0x1501 RDS_INT_FIFO_COUNT 0x1502 ...
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... WB_RSQ_INTERRUPT_ 0x5200 SOURCE WB_ASQ_INTERRUPT_ 0x5600 SOURCE Si4736/37/38/39-C40 Description Sets the top of the AM band for seek. Selects frequency spacing for AM seek. Default is 10 kHz spacing. Sets the SNR threshold for a valid AM Seek/Tune. If the value is zero, then SNR threshold is not considered when doing a seek. ...
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... Si4736/37/38/39-C40 7. Pin Descriptions: Si4736/37/38/39-GM RFGND Pin Number(s) Name connect. Leave floating. 2 FMI FM/WB RF inputs. FMI should be connected to the antenna trace. 3 RFGND RF ground. Connect to ground plane on PCB. 4 AMI AM RF input. AMI should be connected to the AM antenna. 5 RST Device reset (active low) input. 6 SEN Serial enable input (active low) ...
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... Pin Descriptions: Si4736/37-GU Pin Number(s) Name 1 DOUT Digital output data in digital output mode. 2 DFS Digital frame synchronization input in digital output mode. 3 GPO3/DCLK General purpose output, crystal oscillator, or digital bit synchronous clock input in digital output mode. 4 GPO2/INT General purpose output or interrupt pin. ...
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... Si4736/37/38/39-C40 9. Ordering Guide Part Number* Si4736-C40-GM AM/FM/WB Broadcast Radio Receiver Si4736-C40-GU AM/FM/WB Broadcast Radio Receiver Si4737-C40-GM AM/FM/WB Broadcast Radio Receiver with RDS/RBDS Si4737-C40-GU AM/FM/WB Broadcast Radio Receiver with RDS/RBDS Si4738-C40-GM FM/WB Broadcast Radio Receiver Si4739-C40-GM FM/WB Broadcast Radio Receiver with RDS/RBDS *Note: Add an “ ...
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... Justified Year WW = Workweek Si4736/37/38/39-C40 3840 CTTT YWW YWW 36 = Si4736 Si4737 Si4738 Si4739 40 = Firmware Revision 4 Revision C Die Internal tracking code Pin 1 Identifier Assigned by the Assembly House. Corresponds to the last sig- nificant digit of the year and workweek of the mold date. Rev. 1.0 ...
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... Top Mark Explanation (SSOP) Mark Method: YAG Laser Part Number Line 1 Marking: Die Revision Firmware Revision YY = Year Line 2 Marking Work week TTTTTT = Manufacturing code 34 4736C40GU YYWWTTTTTT 4736 = Si4736; 4737 = Si4737 Revision C die Firmware Revision 4.0. Assigned by the Assembly House. Rev. 1.0 ...
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... Package Outline: Si4736/37/38/39 QFN Figure 14 illustrates the package details for the Si4736/37/38/39. Table 17 lists the values for the dimensions shown in the illustration. Figure 14. 20-Pin Quad Flat No-Lead (QFN) Symbol Millimeters Min Nom A 0.50 0.55 A1 0.00 0.02 b 0.20 0.25 c 0.27 0.32 D 3.00 BSC D2 1 ...
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... Si4736/37/38/39-C40 12. PCB Land Pattern: Si4736/37/38/39 QFN Figure 15 illustrates the PCB land pattern details for the Si4736/37/38/39-C40-GM QFN. Table 18 lists the values for the dimensions shown in the illustration. 36 Figure 15. PCB Land Pattern Rev. 1.0 ...
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... A 1.45 x 1.45 mm square aperture should be used for the center pad. This provides approximately 70% solder paste coverage on the pad, which is optimum to assure correct component stand-off. Notes: Card Assembly 1. A No-Clean, Type-3 solder paste is recommended. 2. The recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components. Si4736/37/38/39-C40 Symbol Millimeters Min GE 2.10 W — ...
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... Si4736/37/38/39-C40 13. Package Outline: Si4736/37 SSOP Figure 16 illustrates the package details for the Si4736/37. Table 19 lists the values for the dimensions shown in the illustration. Dimension θ aaa bbb ccc ddd Notes: 1. All dimensions shown are in millimeters (mm) unless otherwise noted. 2. Dimensioning and Tolerancing per ANSI Y14.5M-1994. ...
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... PCB Land Pattern: Si4736/37 SSOP Figure 17 illustrates the PCB land pattern details for the Si4736/37-C40-GU SSOP. Table 20 lists the values for the dimensions shown in the illustration. Table 20. PCB Land Pattern Dimensions Dimension General: 1. All dimensions shown are in millimeters (mm) unless otherwise noted. ...
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... Si4736/37/38/39-C40 15. Additional Reference Resources Contact your local sales representatives for more information or to obtain copies of the following references: AN332: Si47xx Programming Guide AN383: Si47xx Antenna, Schematic, Layout, and Design Guidelines AN388: Si470x/1x/2x/3x/4x Evaluation Board Test Procedure 40 Rev. 1.0 ...
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... Updated Table 3 on page 5. Updated Table 12 on page 15. Updated "3. Typical Application Schematic (SSOP)" on page 18. Updated "4. Bill of Materials (QFN/SSOP)" on page 19. Updated "8. Pin Descriptions: Si4736/37-GU" on page 31. Updated "9. Ordering Guide" on page 32. Si4736/37/38/39-C40 Rev. 1.0 41 ...
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... Si4736/37/38/39-C40 C I ONTACT NFORMATION Silicon Laboratories Inc. 400 West Cesar Chavez Austin, TX 78701 Tel: 1+(512) 416-8500 Fax: 1+(512) 416-9669 Toll Free: 1+(877) 444-3032 Email: FMinfo@silabs.com Internet: www.silabs.com The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice. ...