AXM0F243 datasheet(2/53 Pages) ONSEMI

2 / 53 page

AXM0F243

www.onsemi.com

High

Performance

Narrow−band

Transceiver

compatible to AX5043 (FSK/MSK/4−FSK/GFSK/GMSK/

ASK/AFSK/FM/PSK)

• Receiver

♦ Carrier Frequencies from 27 to 1050 MHz

♦ 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

ms RX → TX Switching Time

• Transmitter

♦ Carrier Frequencies from 27 to 1050 MHz

♦ 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

• RF 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)

• Flexible Antenna Interface

♦ Integrated RX/TX Switching with Differential

Antenna Pins

♦ Mode with Differential RX Pins and Single−ended

TX Pin for Usage with External PAs and for

Maximum PA Efficiency at Low Output Power

• Wakeup−on−Radio

♦ 640 Hz or 10 kHz Lowest Power Wake−up Timer

♦ Wake−up Time Interval programmable between

ms and 102 s

• Sophisticated Radio Controller

♦ Antenna Diversity and RX/TX Switch Control

♦ Fully Automatic Packet Reception and Transmission

without Micro−controller Intervention

♦ Supports HDLC, Raw, Wireless M−Bus Frames and

Arbitrary Defined Frames

♦ Automatic Channel Noise Level Tracking

♦

ms Resolution Timestamps for Exact Timing (eg. for

Frequency Hopping Systems)

♦ 256 Byte Micro−programmable FIFO, optionally

supports Packet Sizes > 256 Bytes

♦ Three Matching Units for Preamble Byte,

Sync−word and Address

♦ Ability to store RSSI, Frequency Offset and

Data−rate Offset with the Packet Data

♦ Multiple Receiver Parameter Sets allow the use of

more aggressive Receiver Parameters during

Preamble, dramatically shortening the Required

Preamble Length at no Sensitivity Degradation

• Advanced Crystal Oscillator (RF Reference Oscillator)

♦ Fast Start−up and Lowest Power Steady−state XTAL

Oscillator for a Wide Range of Crystals

♦ Integrated Tuning Capacitors

♦ Possibility of Applying an External Clock Reference

(TCXO)

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