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SI4731-D60 Scheda tecnica(PDF) 1 Page - Silicon Laboratories |
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SI4731-D60 Scheda tecnica(HTML) 1 Page - Silicon Laboratories |
1 / 3 page AM/FM Receiver Copyright © 2010 by Silicon Laboratories 9.17.10 ADC Si473x-D60 DSP DAC LOUT ROUT AFC GPO/DCLK LDO VA 2.7~5.5 V (QFN) 2.0~5.5 V (SSOP) RDS (Si4731) AMI VD 1.62 - 3.6 V CONTROL INTERFACE LNA AGC LNA AGC GND ADC Mu x Mu x DAC LOW -IF DIGITAL AUDIO DFS DOUT LIN RIN AM / LW ANT RFGND FMI FM / SW ANT + Si4730/31-D60 Broadcast AM/FM Radio Receiver Description The Si4730/31 is the industry's first fully integrated, 100% CMOS AM/FM radio receiver IC. The Si4730/31-D60 AM/ FM radio delivers excellent performance and is simple to design-in. Available in a small 3 x 3 mm QFN package, the Si4730/31 offers unmatched integration and PCB space savings with a minimal number of external components and no factory tuned components. Leveraging Silicon Laboratories' proven and patented digital receiver architecture, the Si4730/31 delivers superior RF performance and interference rejection in both AM and FM bands. The high integration and complete system production test simplifies design-in, increases system quality, and improves manufacturability. The Si4730/31 solution includes advanced seek algorithms, multipath detection and mitigation, adjustable soft mute, FM hi-cut control, smart tune, and FM stereo processing. In addition, the Si4730/31 provides an auxiliary input to support a full digital system architecture. The Si4730/31 utilizes digital processing to achieve high fidelity, optimal performance, and design flexibility. The chip provides excellent pilot rejection, selectivity, and unmatched audio performance, and offers both the manufacturer and the end-user extensive programmability and flexibility in listening experience. The Si4731-D60 incorporates an advanced digital processor for the European Radio Data System (RDS) and the North American Radio Broadcast Data System (RBDS) including all required symbol decoding, block synchronization, error detection, and error correction functions. Using this feature, the Si4731 enables broadcast data such as station identification and song name to be displayed to the end user. Features - Worldwide FM band support (64–108 MHz) - Worldwide AM band support (520–1710 kHz) - AM/FM digital tuning - EN55020 compliant - FM multipath detection and mitigation - FM hi-cut control - Advanced stereo blend - AUXIN stereo ADC - No manual alignment required - Seven selectable AM channel filters - Advanced AM/FM seek tuning - Programmable AVC max gain - Frequency synthesizer with integrated VCO - Automatic frequency control (AFC) - Programmable de-emphasis - Digital FM stereo decoder - Integrated LDO regulator - Wide range of ferrite and air loop antennas supported - Advanced FM RDS/RBDS processor - QFN and SSOP Pb-free/RoHS compliant package Applications - Audio video receivers - Mini/micro systems - Home theater systems - Docking stations - Blu-ray / DVD players - Table / clock radios - Boomboxes Pin Assignments GND PAD 1 2 3 17 18 19 20 11 12 13 14 6 7 8 9 4 5 16 10 15 DIN LOUT/DFS ROUT/DOUT GND RST NC AMI VDD FMI RFGND Si473x (QFN) Si473x (SSOP) LOUT/[DFS] ROUT/[DOUT] DBYP VD GPO2/[INT] GPO3/[DCLK] DOUT/[RIN] DFS/[LIN] 1 2 3 4 5 6 7 8 9 10 11 12 GPO1 VA SDIO NC NC RCLK SEN FMI RFGND SCLK GND NC NC RST GND AMI 24 23 22 21 20 19 18 17 16 15 14 13 |
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