AX5051 Advanced Multi-channel Single Chip UHF Transceiver OVERVIEW The AX5051 is a true single chip lowpower CMOS transceiver www.onsemi.com primarily for use in SRD bands. The onchip transceiver consists of a fully integrated RF frontend with modulator, and demodulator. Base band data processing is implemented in an advanced and flexible communication controller that enables userfriendly communication via the SPI interface. 1 28 Features QFN28 5x5, 0.5P Advanced Multichannel Single Chip UHF Transceiver CASE 485EF Configurable for Usage in 400470 MHz and 800940 MHz SRD Bands ORDERING INFORMATION Wide Variety of Shaped Modulations Supported in RX and TX Device Type Qty (ASK, PSK, MSK, FSK) AX50511TA05 Tape & Reel 500 Data Rates from 1 to 350 kbps (FSK, MSK), 1 to 600 kbps (ASK), 10 to 600 kbps (PSK) AX50511TW30 Tape & Reel 3,000 Ultra Fast Settling RF Frequency Synthesizer for Lowpower Consumption Variable Channel Filtering from 40 kHz to 600 kHz RF Carrier Frequency and FSK Deviation Programmable Cyclic Redundancy Check Programmable in 1 Hz Steps (CRCCCITT, CRC16, CRC32) Fully Integrated Frequency Synthesizer with VCO Optional Spectral Shaping Using a Self Synchronizing Autoranging and Bandwidth Boost Modes for Fast Shift Register Locking Brownout Detection Few External Components Integrated RX/TX Switching Onchip Communication Controller and Flexible Differential Antenna Pins Digital Modem RoHS Compliant Channel Hopping up to 2000 hops/s Applications Sensitivity down to 116 dBm at 1.2 kbps Telemetry Up to +16 dBm Programmable Transmitter Power Sensor Readout, Thermostats Amplifier AMR Crystal Oscillator with Programmable Toys Transconductance and Programmable Internal Tuning Capacitors for Low Cost Crystals Wireless Audio Automatic Frequency Control (AFC) Wireless Networks SPI Microcontroller Interface Wireless MBus Fully Integrated Current/Voltage References Access Control QFN28 Package Remote Keyless Entry Low Power Receiver: 18 21 mA in High Sensitivity Remote Controls Mode and 16 18 mA in Low Power Mode Active RFID Low Power Transmitter: 11 45 mA during Transmit Compatible with FCC Part 15.247, FCC Part 15.249, Extended Supply Voltage Range 2.2 V 3.6 V EN 300 220 Wide Band, Wireless MBus S/T Mode Internal Poweronreset 868 MHz, Konnex RF, ARIB T67, 802.15.4 32 Bit RX/TX Data FIFO Semiconductor Components Industries, LLC, 2016 1 Publication Order Number: April, 2016 Rev. 3 AX5051/DAX5051 BLOCK DIAGRAM AX5051 Mixer IF Filter & Digital IF De LNA ADC AGC PGAs channel modulator filter ANTP 4 RSSI 5 ANTN AGC Modulator PA F OUT Crystal Oscillator RF Frequency F typ. XTAL Generation 16 MHz Subsystem Chip configuration Communication Controller & Serial Interface Divider 27 28 13 14 15 16 17 19 12 Figure 1. Functional Block Diagram of the AX5051 www.onsemi.com 2 CLK16P CLK16N SYSCLK VREG VDD IO SEL CLK MISO MOSI Encoder IRQ Framing RESET N FIFO