CYRF7936-40LTXC
Features
■ 2.4-GHz direct sequence spread spectrum (DSSS) radio
transceiver
■ Operates in the unlicensed worldwide industrial, scientific, and
medical (ISM) band (2.400 GHz to 2.483 GHz)
■ 21-mA operating current (transmit at –5 dBm)
■ Transmit power up to +4 dBm
■ Receive sensitivity up to –97 dBm
■ Sleep current less than 1 μA
■ DSSS data rates up to 250 kbps, Gaussian frequency-shift
keying (GFSK) data rate of 1 Mbps
■ Low external component count
■ Auto transaction sequencer (ATS) - no MCU intervention
■ Framing, length, CRC16, and auto acknowledge (ACK)
■ Power management unit (PMU) for MCU
■ Fast startup and fast channel changes
■ Separate 16 byte transmit and receive FIFOs
■ Dynamic data rate reception
■ Receive signal strength indication (RSSI)
■ Serial peripheral interface (SPI) control while in sleep mode
■ 4-MHz SPI microcontroller interface
■ Battery voltage monitoring circuitry
■ Supports coin-cell operated applications
■ Operating voltage from 1.8 V to 3.6 V
■ Operating temperature from 0 °C to 70 °C
■ Space saving 40-pin QFN 6 × 6 mm package
