MICROCHIP AT86RF215-ZU

The AT86RF215 is a multi-band radio transceiver for various sub-1GHz bands and the 2.4GHz band specially designed for smart metering and applications implementing IEEE Std 802.15.4g-2012 [3], ETSI TS 102 887-1 [5], IEEE Std 802.15.4-2015 [7]. The device is comprised of two independent transceivers, each with its own baseband and I/Q data interface. The AT86RF215 incorporates two transceivers and two baseband cores forming two independent radio systems. The transceivers are highly integrated minimizing the number of external components required on the printed circuit board (PCB). The supply voltage ranges from 1.8V to 3.6V. A 26MHz temperature controlled oscillator (TCXO) or a crystal oscillator (XTAL) is used as a reference clock. The AT86RF215 allows simultaneous independent reception in the sub-1GHz and 2.4GHz bands. Each radio frequency (RF) port is accessed with balanced differential signal pairs. Optimal sensitivity and output power are achieved with 50Ω differential load. The device offers a high link budget with maximum TX output power of 14.5dBm@900MHz and sensitivity down to -123dBm@MR-OQPSK-6.25kb/s. The device is controlled via a fast serial peripheral interface (SPI). Dedicated MAC hardware, random number generator and on-board battery monitoring improve overall system efficiency and timing. The AT86RF215 can be operated with an external microcontroller (e.g. Atmel SAM4 Family) and/or an external baseband processor.

• Fully integrated radio transceiver covering 389.5-510MHz / 779-1020MHz / 2400- 2483.5MHz including European band: 863-870MHz / 870-876MHz / 915-921MHz, Chinese band: 470-510MHz / 779-787MHz, North American band: 902-928MHz, Korean band: 917-923.5MHz, Japanese band: 920-928MHz, World-wide ISM band: 2400-2483.5MHz
• I/Q data interface: One TX and two RX serial low voltage differential signal (LVDS) interfaces, 13-bit I/Q data interface with a sampling frequency of up to 4MHz
• Transceiver Control interface: SPI (serial peripheral interface)
• Symbol rates: 50, 100, 150, 200, 300, 400ksymbol/s
• Rate 1/2-FEC: RSC and NRNSC, with and without interleaving Order: 2-level, 4-level
• Option 1: 100, 200, 400, 800, 1200, 1600, 2400kb/s
• Option 2: 50, 100, 200, 400, 600, 800, 1200kb/s
• Option 3: 50, 100, 200, 300, 400, 600kb/s
• Option 4: 50, 100, 150, 200, 300kb/s
• 100kchip/s with 6.25, 12.5, 25, 50kb/s data rate
• 200kchip/s with 12.5, 25, 50, 100kb/s data rate
• 1000kchip/s with 31.25, 125, 250, 500kb/s data rate
• 2000kchip/s with 31.25, 125, 250, 500, 1000kb/s data rate
• 1000kchip/s with 250kb/s and 500kb/s data rate
• 2000kchip/s with 250kb/s and 1000kb/s data rate
• Bi-directional differential RF signal ports for Band I: 433/470/780/863/868/915/917/920MHz, Band II: 2450MHz
• Simultaneous operation of sub-1GHz and 2.4GHz transceiver
• Separate 2kbytes RX and TX frame buffer
• IEEE MAC support: Frame filter (IEEE Std 802.15.4-2006), FCS handling, Automatic acknowledgement (IEEE Std 802.15.4-2006), CCA with automatic transmit
• Industry leading link budget
• Programmable TX output power up to +14.5dBm@900MHz band
• Noise figure below 5dB for sub-1GHz and 2.4GHz transceiver
• Receiver sensitivity down to -123dBm at 6.25kb/s MR-O-QPSK
• Radio transceiver features: Integrated TX/RX switch, LNA, PLL loop filter and RF frontend control, Fast settling PLL supporting frequency hopping, Automatic filter calibration
• Received signal strength indicator / energy detection
• True random number generator
• Optimized for low BOM cost and ease of production
• Low power supply voltage from 1.8V to 3.6V
• Internal voltage regulators and battery monitor
• Reduced power consumption (RPC) modes for MR-FSK and MR-OQPSK
• Low current consumption (incl. baseband processing / without 1/Q interface): Deep sleep 30nA, RX listen 6..28mA (RPC mode dependent), RX active 28mA, TX 62mA @ 14dBm output power
• Industrial temperature range from -40°C to +85°C
• 48-pin low-profile lead-free plastic QFN package