DATA SHEET www.onsemi.com Advanced High Performance ASK and FSK Narrow-band Transceiver for 27-1050 MHz Range AX5043 OVERVIEW Features Advanced Multichannel Narrowband Single Chip 0 dBm Maximum Input Power UHF Transceiver (FSK/MSK/4FSK/GFSK/GMSK/ > 10% Datarate Error Tolerance ASK/AFSK/FM/PSK) Support for Antenna Diversity with External Antenna Switch LowPower Short Preamble Modes allow the Receiver to work with RX as little as 16 Preamble Bits 9.5 mA 868 MHz and 433 MHz Fast State Switching Times 6.5 mA 169 Hz 200 s TX RX Switching Time TX at 868 Mhz 62 s RX TX Switching Time 7.5 mA 0 dBm 16 mA 10 dBm Transmitter 48 mA 16 dBm Datarates from 0.1 kbps to 125 kbps 50 nA Deep Sleep Current High Efficiency, High Linearity Integrated Power 500 nA Powerdown Current with Low Frequency Amplifier Duty Cycle Clock Running Maximum Output Power 16 dBm 868 MHz Extended Supply Voltage Range 16 dBm 433 MHz 1.8 V 3.6 V Single Supply 16 dBm 169 MHz Power Level programmable in 0.5 dB Steps High Sensitivity / High Selectivity Receiver GFSK Shaping with BT = 0.3 or BT = 0.5 Data Rates from 0.1 kbps to 125 kbps Unrestricted Power Ramp Shaping Optional Forward Error Correction (FEC) Sensitivity without FEC Frequency Generation 135 dBm 0.1 kbps, 868 MHz, FSK Configurable for Usage in 27 MHz 1050 MHz Bands 126 dBm 1 kbps, 868 MHz, FSK RF Carrier Frequency and FSK Deviation 117 dBm 10 kbps, 868 MHz, FSK Programmable in 1 Hz Steps 107 dBm 100 kbps, 868 MHz, FSK 105 dBm 125 kbps, 868 MHz, FSK Ultra Fast Settling RF Frequency Synthesizer for Lowpower Consumption 138 dBm 0.1 kbps, 868 MHz, PSK Fully Integrated RF Frequency Synthesizer with VCO 130 dBm 1 kbps, 868 MHz, PSK Autoranging and Bandwidth Boost Modes for Fast 120 dBm 10 kbps, 868 MHz, PSK Locking 109 dBm 100 kbps, 868 MHz, PSK Configurable for either Fully Integrated VCO, Internal 108 dBm 125 kbps, 868 MHz, PSK VCO with External Inductor or Fully External VCO Sensitivity with FEC Configurable for either Fully Integrated or External 137 dBm 0.1 kbps, 868 MHz, FSK Synthesizer Loop Filter for a Large Range of 122 dBm 5 kbps, 868 MHz, FSK Bandwidths 111 dBm 50 kbps, 868 MHz, FSK Channel Hopping up to 2000 hops/s High Selectivity Receiver with up to 47 dB Adjacent Automatic Frequency Control (AFC) Channel Rejection Semiconductor Components Industries, LLC, 2015 1 Publication Order Number: August, 2021 Rev. 3 AX5043/DAX5043 Flexible Antenna Interface Advanced Crystal Oscillator (RF Reference Oscillator) Integrated RX/TX Switching with Differential Antenna Fast Startup and Lowest Power Steadystate XTAL Pins Oscillator for a Wide Range of Crystals Mode with Differential RX Pins and Singleended TX Integrated Crystal Tuning Capacitors Pin for Usage with External PAs and for Maximum PA Possibility of Applying an External Clock Reference Efficiency at Low Output Power (TCXO) WakeuponRadio Miscellaneous Features 640 Hz or 10 kHz Lowest Power Wakeup Timer Few External Components Wakeup Time Interval programmable between 98 s SPI Microcontroller Interface and 102 s Extended AXSEM Register Set Fully Integrated Current/Voltage References Sophisticated Radio Controller QFN28 5 mm x 5 mm Package Antenna Diversity and Optional External RX/TX Internal PoweronReset Switch Control Brownout Detection Fully Automatic Packet Reception and Transmission 10 Bit 1 MS/s General Purpose ADC (GPADC) without Microcontroller Intervention Supports HDLC, Raw, Wireless MBus Frames and Applications Arbitrary Defined Frames 27 1050 MHz Licensed and Unlicensed Radio Systems Automatic Channel Noise Level Tracking Internet of Things s Resolution Timestamps for Exact Timing (eg. for Automatic Meter Reading (AMR) Frequency Hopping Systems) Security Applications 256 Byte Microprogrammable FIFO, optionally Building Automation supports Packet Sizes > 256 Bytes Wireless Networks Three Matching Units for Preamble Byte, Syncword and Address Messaging Paging Ability to store RSSI, Frequency Offset and Datarate Compatible with: Wireless MBus, POCSAG, FLEX, KNX, Sigfox, ZWave, enocean Offset with the Packet Data Multiple Receiver Parameter Sets allow the use of more Regulatory Regimes: EN 300 220 V2.3.1 including the Narrowband 12.5 kHz, 20 kHz and 25 kHz aggressive Receiver Parameters during Preamble, dramatically shortening the Required Preamble Length Definitions EN 300 422 FCC Part 15.247 FCC Part at no Sensitivity Degradation 15.249 FCC Part 90 6.25 kHz, 12.5 kHz and 25 kHz www.onsemi.com 2