SILICON LABS SI4012-C1001GTR

Silicon Laboratories’ Si4012 is a fully-integrated crystalless CMOS high-data-rate RF transmitter designed for the sub-GHz ISM band. This chip is optimized for battery powered applications requiring low standby currents and high output transmit power. The device offers advanced radio features including continuous frequency coverage from 27–960 MHz, adjustable output power of up to +10 dBm, and data rates up to 100 kbaud in FSK mode. The Si4012’s high level of integration offers reduced BOM cost while simplifying overall system design.

• Frequency range: 27–960 MHz
• Output power range: -13 to +10 dBm
• Low Power Consumption:
  • OOK: 14.2 mA @+10 dBm
  • FSK: 19.8 mA @+10 dBm
• Data rate:
  • Up to 100 kbaud FSK
  • Up to 50 kbaud OOK
• FSK and OOK modulation
• Power supply = 1.8 to 3.6 V
• Automatic antenna tuning
• Programmable ramp rate
• Crystal-less operation:
  • ±150 ppm: 0 to 70°C
  • ±250 ppm: -40 to 85°C
• Optional crystal input for applications requiring tighter tolerances
• Ultra low standby current < 10 nA
• Integrated voltage regulator
• 255 byte FIFO
• Low battery detector
• SMBus Interface
• -40 to +85°C temperature range
• 10-Pin MSOP Package, RoHs compliant
• Low BOM

• Wireless MBus T1-mode
• Remote control
• Home security & alarm
• Personal data logging
• Toy control
• Wireless PC peripherals
• Remote meter reading
• Remote keyless entry
• Home automation
• Industrial control
• Sensor networks
• Health monitors