1 wireless & sensing products www.semtech.com description july 2008 features the SX1282 transceiver with embedded coolrisc ? mcu, dual 10 and 16-bit adc and peripherals provides a highly-in - tegrated single-chip acquisition processing and rf solution. 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 0.18m process, with the entire radio, coolrisc mcu, adcs, pe - ripherals, inductors and flters 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. SX1282 transceiver/mcu/adc system-on-chip with risc cpu for battery-powered ultra-low power applicatio ns applications ? 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 (23a maximum) ? oscillators ? integrated programmable rc oscillator ? start-up and c operation ? 12.8 mhz crystal oscillator: ? transceiver operation ? low-power 32 khz crystal oscillator ? a level time-keeping operation ? analog watchdogs detect crystal oscillator failures ? data acquisition ? pyroelectric acquisition chain ? 80 db psrr on the full chain ? 10 v/lsb ? 16 bits adc, 8 hz bandwidth ? auxiliary 10 bits adc ? 10k samples/s ? multiple signal sources ? programmable input attenuation ? integrated thermometer function, 2c accuracy ? embedded core ? ultra low-power ? 1.3 ma power consumption at 6.4 mips ? coolrisc technology ? energy-effcient 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 ? alarm and security systems ? wireless sensor networks ? home automation ? wireless computer peripherals ? telemetry ? sports and leisure equipment ? industrial sensing ordering information part number package SX12821075 vqfn60
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