Description

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.

Features

Frequency range

27–960 MHz

Output power range

–13 to +10 dBm

Low Power Consumption

OOK

14.2mA @ +10dBm

FSK

19.8mA @ +10dBm

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

Applications

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

ndustrial control

Sensor networks

Health monitors