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Features

? 802.15.4 Standard compliant transceiver supports 250 kbps O-QPSK data in 5.0 MHz channels and

full spread-spectrum encode/decode

? Operates on one of 16 selectable channels in the 2.4 GHz band

? Receive sensitivity of <-91 dBm (typical) at 1.0 packet error rate

? Recommended power supply range: 2.0 to 3.4 V

? 0 dBm nominal output power, programmable from -27 dBm to 4 dBm typical

? Buffered transmit and receive data packets for simplified use with low cost MCUs

? Three power down modes for increased battery life:

— < 1.0 μA Off current

— 2.3 μA Typical Hibernate current

— 35 μA Typical Doze current (no CLKO)

? Two internal timer comparators available to supplement MCU resources

? Programmable frequency clock output (CLKO) for use by MCU

? Onboard trim capability for 16 MHz crystal reference oscillator eliminates the need for external

variable capacitors and allows for automated production frequency calibration.

? Seven general purpose input/output (GPIO) signals

? Operating temperature range: -40 °C to +85 °C

? Small form factor QFN-32 Package