Low-power 2.4 GHz ISM-band transceiver integrates an IEEE 802.15.4 PHY modem for peer-to-peer, star, and mesh networking. The device supports 250 kbps O-QPSK data, 16 selectable channels, and a four-wire SPI host interface with interrupt signaling. RF performance includes typical receive sensitivity below -92 dBm at 1% packet error rate and programmable transmit output from -27 dBm to a typical 4 dBm maximum. Operation is specified from a 2.0 V to 3.4 V supply and over a -40 °C to 85 °C ambient temperature range in a QFN-32 package.
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| Frequency band | 2.405 to 2.480GHz |
| Wireless standard | IEEE 802.15.4 |
| Data rate | 250kbps |
| Modulation | O-QPSK DSSS |
| Channel count | 16 selectable channels |
| Channel spacing | 5.0MHz |
| Supply voltage | 2.0 to 3.4V |
| Ambient operating temperature | -40 to 85°C |
| Receive sensitivity | <-92 typical at 1% PERdBm |
| Nominal output power | 0 typicaldBm |
| Maximum output power | 4 typicaldBm |
| Output power control range | 31dB |
| SPI clock rate | 8 maximumMHz |
| Crystal reference frequency | 16MHz |
| Off current | <1µA |
| Hibernate current | 1 typicalµA |
| Doze current | 35 typical, no CLKOµA |
| Transmit current | 30 typical at 0 dBmmA |
| Receive current | 37 typicalmA |
| GPIO count | 7 |
| RoHS | Compliant |
| Lead-free | Meets lead-free requirements |
| Msl | 3 |
| Peak Reflow Temperature | 260 °C |
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