SI4031-B1-FM

Si4030/31/32-B1 Si4030/31/32 ISM TRANSMITTER Features Frequency range Ultra low power shutdown mode 240930 MHz (Si4031/32) Wake-up timer 900960 MHz (Si4030) Integrated 32 kHz RC or 32 kHz XTAL Output Power Range Integrated voltage regulators +1 to +20 dBm (Si4032) Configurable packet handler 8 to +13 dBm (Si4030/31) TX 64 byte FIFO Low Power Consumption Low battery detector Si4032 Temperature sensor and 8-bit ADC 85 mA +20 dBm 40 to +85 C temperature range Si4030/31 Ordering Information: Integrated voltage regulators 30 mA +13 dBm See page 53. Frequency hopping capability Data Rate = 0.123 to 256 kbps On-chip crystal tuning FSK, GFSK, and OOK modulation 20-Pin QFN package Pin Assignments Power Supply = 1.8 to 3.6 V Low BOM Power-on-reset (POR) Si4030/31/32 Applications 20 19 18 17 VDD RF 1 16 Remote control Remote meter reading Home security & alarm Remote keyless entry TX 2 15 SCLK Telemetry Home automation NC 3 14 SDI GND Personal data logging Industrial control 4 PAD 13 NC SDO Toy control Sensor networks Wireless PC peripherals Health monitors NC 5 12 VDD DIG 6 11 NC 7 8 9 10 Description Silicon Laboratories Si4030/31/32 devices are highly integrated, single-chip wireless ISM transmitters. The high-performance EZRadioPRO family includes a complete line of transmitters, receivers, and transceivers allowing the RF system Patents pending designer to choose the optimal wireless part for their application. The Si4030/31/32 offers advanced radio features including continuous frequency coverage from 240960MHz with adjustable power output levels of 8 to +13 dBm on the Si4030/31 and +1 to +20 dBm on the Si4032. Power adjustments are made in 3dB steps. The Si4030/31/32s high level of integration offers reduced BOM cost while simplifying the overall system design. The Si4032s Industry leading +20 dBm output power ensures extended range and improved link performance. Additional system features such as an automatic wake-up timer, low battery detector, 64 byte TX FIFO, and automatic packet handling reduce overall current consumption and allow the use of lower-cost system MCUs. An integrated temperature sensor, general purpose ADC, power-on-reset (POR), and GPIOs further reduce overall system cost and size. The direct digital transmit modulation and automatic PA power ramping ensure precise transmit modulation and reduced spectral spreading ensuring compliance with global regulations including FCC, ETSI, and ARIB regulations. An easy-to-use calculator is provided to quickly configure the radio settings, simplifying customer s system design and reducing time to market. Rev 1.1 1/10 Copyright 2010 by Silicon Laboratories Si4030/31/32 NC SDN GPIO 0 GPIO 1 XIN GPIO 2 XOUT VR DIG nIRQ nSELSi4030/31/32-B1 Functional Block Diagram 2 Rev 1.1