PDF Si4712 Data sheet ( Hoja de datos )

Número de pieza	Si4712
Descripción	FM RADIO TRANSMITTER
Fabricantes	Silicon Laboratories
Logotipo
Hay una vista previa y un enlace de descarga de Si4712 (archivo pdf) en la parte inferior de esta página. Total 42 Páginas
No Preview Available ! Si4712/13-B30 FM RADIO TRANSMITTER WITH RECEIVE POWER SCAN Features Integrated receive power measurement Worldwide FM band support (76–108 MHz) Requires only two external components Frequency synthesizer with integrated VCO Digital stereo modulator Programmable pre-emphasis Analog/digital audio interface Audio silence detector Programmable reference clock RDS/RBDS encoder (Si4713 only) PCB loop and stub antenna support with self-calibrated capacitor tuning Programmable transmit level Audio dynamic range control Advanced modulation control 2.7 to 5.5 V supply voltage Integrated LDO regulator 3 x 3 x 0.55 mm 20-pin QFN Pb-free and RoHS Compliant Designed for compatibility with cellular operation Applications Cellular handsets/hands-free MP3 players Portable media players Wireless speakers/microphone Satellite digital audio radios Personal computers/notebooks Description The Si4712/13-B30 integrates the complete transmit functions for standards-compliant unlicensed FM broadcast stereo transmission. The chip also allows integrated receive power scanning to identify low signal power FM channels. Users must comply with local regulations on radio frequency (RF) transmission. Functional Block Diagram Si4712/13 Ordering Information: See page 34. Pin Assignments Si4712/13-B30 (Top View) NC 1 20 19 18 17 16 NC 2 15 RIN RFGND 3 TXO 4 GND PAD 14 DFS 13 DIN RST 5 12 GND 6 7 8 9 10 11 VDD Tx Ant TXO L1 120 nH RFGND PEAK DETECT DIGITAL AUDIO DSP DAC ADC DAC ADC DIN DFS LIN RIN Patents pending Note: To ensure proper operation and performance, follow the guide- lines in “AN383: Universal Antenna Selection and Layout Guidelines.” Silicon Laboratories will evaluate schematics and lay- outs for qualified customers. VDD 2.7–5.5 V AFC CONTROL INTERFACE GPO RDS (Si4713) LDO GND C1 22 nF Rev. 1.1 2/08 Copyright © 2008 by Silicon Laboratories Si4712/13-B30 1 page Si4712/13-B30 Table 3. DC Characteristics Test conditions: VRF = 118 dBµV, stereo, Δf = 68.25 kHz, Δfpilot = 6.75 kHz, REFCLK = 32.768 kHz, unless otherwise specified. Production test conditions: VDD = 3.3 V, VIO = 3.3 V, TA = 25 °C, FRF = 98 MHz. Characterization test conditions: VDD = 2.7 to 5.5 V, VIO = 1.5 to 3.6 V, TA = –20 to 85 °C, FRF = 76–108 MHz. Parameter Symbol Test Condition Min Typ Max Unit FM Transmitter from Line Input TX Supply Current ITX TX Interface Supply Current IIO FM Transmitter from Digital Audio Input — 18.8 22.8 mA — 320 600 µA TX Supply Current IDTX DCLK = 3.072 MHz TX Interface Supply Current IDIO DCLK = 3.072 MHz FM Transmitter in Receive Power Scan Mode — — 18.3 320 — mA — µA RX Supply Current RX Interface Supply Current Supplies and Interface IRX IIO — 16.8 — mA — 320 — µA VDD Powerdown Current IDD Powerdown mode — 10 VIO Interface Powerdown Current IIO SCLK, RCLK inactive Powerdown mode — 3 High Level Input Voltage1 Low Level Input Voltage1 High Level Input Current1 Low Level Input Current1 High Level Output Voltage2 Low Level Output Voltage2 VIH VIL IIH IIL VOH VOL VIN = VIO = 3.6 V VIN = 0 V, VIO = 3.6 V IOUT = 500 µA IOUT = –500 µA 0.7 x VIO –0.3 –10 –10 0.8 x VIO — — — — — — — Notes: 1. For input pins SCLK, SEN, SDIO, RST, RCLK, DCLK, DFS, DIN, GPO1, GPO2/INT, and GPO3. 2. For output pins SDIO, GPO1, GPO2/INT, and GPO3. 20 10 VIO + 0.3 0.3 x VIO 10 10 — 0.2 x VIO µA µA V V µA µA V V Rev. 1.1 5 5 Page Si4712/13-B30 Table 8. Digital Audio Interface Characteristics (VDD = 2.7 to 5.5 V, VIO = 1.5 to 3.6 V, TA = –20 to 85 °C) Parameter Symbol Test Condition Min Typ Max Unit DCLK pulse width high DCLK pulse width low DFS set-up time to DCLK rising edge DFS hold time from DCLK rising edge DIN set-up time from DCLK rising edge DIN hold time from DCLK rising edge DCLK, DFS, DIN, Rise/Fall time DCLK Tx Frequency1,2 tDCH tDCL tSU:DFS tHD:DFS tSU:DIN tHD:DIN tR tF 10 — — ns 10 — — ns 5 — — ns 5 — — ns 5 — — ns 5 — — ns — — 10 ns 1.0 — 40.0 MHz Notes: 1. Guaranteed by characterization. 2. The DCLK frequency may be set below the minimum specification if DIGITAL_INPUT_SAMPLE_RATE is first set to 0 (disable). DCLK DFS tHD:DFS tR tSU:DFS tF DIN tSU:DIN tHD:DIN Figure 8. Digital Audio Interface Timing Parameters, I2S Mode Rev. 1.1 11 11 Page

Páginas	Total 42 Páginas
PDF Descargar	[ Datasheet Si4712.PDF ]

Hoja de datos destacado

Número de pieza	Descripción	Fabricantes
SI4710	(SI4710 / SI4711) FM Radio Transmitter	Silicon Laboratories
SI4710CY	Battery Disconnect Switch	Vishay Siliconix
SI4711	(SI4710 / SI4711) FM Radio Transmitter	Silicon Laboratories
Si4712	FM RADIO TRANSMITTER	Silicon Laboratories

Número de pieza	Descripción	Fabricantes
SLA6805M	High Voltage 3 phase Motor Driver IC.	Sanken
SDC1742	12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters.	Analog Devices

DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares,
permitiéndote verlos en linea o descargarlos en PDF.

DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar