SX1282 WIRELESS & SENSING PRODUCTS Description Transceiver/MCU/ADC System-on-Chip with RISC CPU for Battery-Powered Ultra-Low Power Applications The SX1282 transceiver with embedded CoolRISC® MCU, dual 10 and 16-bit ADC and peripherals provides a highly-integrated single-chip acquisition processing and RF solution. • Integrated programmable RC oscillator • Start-up and μC operation • 12.8 MHz crystal oscillator: • Transceiver operation • Low-power 32 kHz crystal oscillator • μA level Time-keeping operation • Analog watchdogs detect crystal oscillator failures • Data Acquisition • Pyroelectric acquisition chain • 80 dB PSRR on the full chain • 10 μV/LSB • 16 bits ADC, 8 Hz bandwidth • Auxiliary 10 bits ADC • 10k samples/s • Multiple signal sources • Programmable input attenuation • Integrated thermometer function, 2°C accuracy • Embedded Core • Ultra Low-power • 1.3 mA power consumption at 6.4 MIPS • CoolRISC technology • Energy-efficient RISC architecture • Integrated 8x8 multiplier • Program loads into and executes from RAM • Memory resources • 1 kbytes boot ROM • 22 kbytes Instruction RAM • 1 kbytes data RAM With a design which sets state-of-the-art standards in low receiver consumption, dual ISM-band transceiver blocks are combined with a sophisticated ultra low-power 8-bit RISC core plus extensive signal acquisition peripherals to provide a complete system on chip for ISM-band applications. The SX1282 is manufactured in an ultra modern 0.18µm process, with the entire radio, CoolRISC MCU, ADCs, peripherals, inductors and filters all integrated on a single die. The circuit is capable of operating down to 1.0V, which makes operation from a single alkaline battery possible. The circuit is enclosed in a 60-pin QFN package of dimensions 7x7mm. Features • Operating voltage down to 1.0V • Supply voltage range from 1.0V to 1.6V • Entire circuit can operate on a single AA battery • Transceiver Chain • Dual-Band operation, 434 MHz and 868 MHz • Multi-channel, on-chip PLL,12.5 kHz steps • FSK and OOK modulation • Data rate up to 80 kbit/s FSK • Sensitivity of -102 dBm @ 25 kbit/s, FSK, 10-3 BER • Receive current 2.5 mA • Autonomy up to four years from a single AA battery in wireless sensing • Transmit power +10 dBm differential (35 mA supply current) • Integrated RX-TX switch • Super heterodyne architecture • First conversion: IF @ 96 MHz for 868 MHz band • Second conversion: zero IF • HW support for symbol synchronization and clock recovery • Power Management • High-current step-up for external EEPROM supply @ 2.7V • Low-current step-up for the supply of the data acquisition chains • POR and brown-out detector • Sophisticated Power Management • Unused blocks are powered down • Standby current down to 4.0uA typical (23μA maximum) • Oscillators July 2008 Applications • • • • • • • Alarm and security systems Wireless Sensor Networks Home Automation Wireless computer peripherals Telemetry Sports and Leisure Equipment Industrial Sensing Ordering Information 1 Part Number Package SX12821075 VQFN60 www.semtech.com