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SX1282 Datasheet

Part NameDescriptionManufacturer
SX1282 Transceiver/MCU/ADC System-on-Chip with RISC CPU for Battery-Powered Ultra-Low Power Applications Semtech
Semtech Corporation Semtech
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Description
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.

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
Applications
•  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

Applications
•  Alarm and security systems
•  Wireless Sensor Networks
•  Home Automation
•  Wireless computer peripherals
•  Telemetry
•  Sports and Leisure Equipment
•  Industrial Sensing

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