© Semiconductor Components Industries, LLC, 2015
October, 2015 − Rev. 2
1 Publication Order Number:
AX5043/D
AX5043
Advanced High Performance
ASK and FSK Narrow-band
Transceiver for
27 - 1050 MHz Range
OVERVIEW
Features
Advanced Multi−channel Narrow−band Single Chip
UHF Transceiver (FSK/MSK/4−FSK/GFSK/GMSK/
ASK/AFSK/FM/PSK)
Low−Power
• RX
9.5 mA @ 868 MHz and 433 MHz
6.5 mA @ 169 Hz
• TX at 868 Mhz
7.5 mA @ 0 dBm
16 mA @ 10 dBm
48 mA @ 16 dBm
• 50 nA Deep Sleep Current
• 500 nA Power−down Current with Low Frequency
Duty Cycle Clock Running
Extended Supply Voltage Range
• 1.8 V − 3.6 V Single Supply
High Sensitivity / High Selectivity Receiver
• Data Rates from 0.1 kbps to 125 kbps
• Optional Forward Error Correction (FEC)
• Sensitivity without FEC
−135 dBm @ 0.1 kbps, 868 MHz, FSK
−126 dBm @ 1 kbps, 868 MHz, FSK
−117 dBm @ 10 kbps, 868 MHz, FSK
−107 dBm @ 100 kbps, 868 MHz, FSK
−105 dBm @ 125 kbps, 868 MHz, FSK
−138 dBm @ 0.1 kbps, 868 MHz, PSK
−130 dBm @ 1 kbps, 868 MHz, PSK
−120 dBm @ 10 kbps, 868 MHz, PSK
−109 dBm @ 100 kbps, 868 MHz, PSK
−108 dBm @ 125 kbps, 868 MHz, PSK
• Sensitivity with FEC
−137 dBm @ 0.1 kbps, 868 MHz, FSK
−122 dBm @ 5 kbps, 868 MHz, FSK
−111 dBm @ 50 kbps, 868 MHz, FSK
• High Selectivity Receiver with up to 47 dB Adjacent
Channel Rejection
• 0 dBm Maximum Input Power
• > ±10% Data−rate Error Tolerance
• Support for Antenna Diversity with External Antenna
Switch
• Short Preamble Modes allow the Receiver to work with
as little as 16 Preamble Bits
• Fast State Switching Times
200 ms TX → RX Switching Time
62 ms RX → TX Switching Time
Transmitter
• Data−rates from 0.1 kbps to 125 kbps
• High Efficiency, High Linearity Integrated Power
Amplifier
• Maximum Output Power
16 dBm @ 868 MHz
16 dBm @ 433 MHz
16 dBm @ 169 MHz
• Power Level programmable in 0.5 dB Steps
• GFSK Shaping with BT = 0.3 or BT = 0.5
• Unrestricted Power Ramp Shaping
Frequency Generation
• Configurable for Usage in 27 MHz −1050 MHz Bands
• RF Carrier Frequency and FSK Deviation
Programmable in 1 Hz Steps
• Ultra Fast Settling RF Frequency Synthesizer for
Low−power Consumption
• Fully Integrated RF Frequency Synthesizer with VCO
Auto−ranging and Band−width Boost Modes for Fast
Locking
• Configurable for either Fully Integrated VCO, Internal
VCO with External Inductor or Fully External VCO
• Configurable for either Fully Integrated or External
Synthesizer Loop Filter for a Large Range of
Bandwidths
• Channel Hopping up to 2000 hops/s
• Automatic Frequency Control (AFC)
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