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MRF89XA
Ultra Low-Power, Integrated ISM Band
Sub-GHz Transceiver
Features
Baseband Features
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Fully integrated ultra low-power, sub-GHz transceiver
Wide-band half-duplex transceiver
Supports proprietary sub-GHz wireless protocols
Simple 4-wire SPI-compatible interface
CMOS/TTL-compatible I/Os
On-chip oscillator circuit
Dedicated clock output
Supports power-saving modes
Operating voltage: 2.1-3.6V
? Packet handling feature with data whitening and
automatic CRC generation
? Incoming sync word (pattern) recognition
? Built-in bit synchronizer for incoming data, and
clock synchronization and recovery
? 64-byte transmit/receive FIFO with preload in
Stand-by mode
? Supports Manchester encoding/decoding techniques
Typical Applications
? Low-current consumption, typically:
- 3 mA in RX mode
- 25 mA @ +10 dBm in TX mode
- 0.1 μ A (Typical) and 2 μ A (Maximum) in
Sleep mode
? Supports Industrial temperature range (-40oC to
+85oC)
? Complies with ETSI EN 300-220 and FCC part 15
? Small, 32-pin TQFN package
RF/Analog Features
? Supports ISM band sub-GHz frequency ranges:
863–870, 902–928 and 950–960 MHz
? Modulation technique: Supports FSK and OOK
? Supports high data rates: Up to 200 kbps, NRZ
coding
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Home/industrial/building automation
Remote wireless control
Wireless PC peripherals
Remote keyless entry
Wireless sensor networks
Vehicle sensor monitoring
Telemetry
Data logging systems
Wireless alarm
Remote automatic meter reading
Security systems for home/industrial environments
Automobile immobilizers
Sports and performance monitoring
Wireless toy controls
Medical applications
? Reception sensitivity: Down to -107 dBm at
25 kbps in FSK, -113 dBm at 2 kbps in OOK
? RF output power: +12.5 dBm programmable in
eight steps
? Wide Received Signal Strength Indicator (RSSI),
dynamic range: 70 dB from RX noise floor
? Signal-ended RF input/output
? On-chip frequency synthesizer
? Supports PLL loop filter with lock detect
? Integrated Power Amplifier (PA) and Low Noise
Amplifiers (LNA)
? Channel filters
? On-chip IF gain and mixers
? Integrated low-phase noise VCO
General Description
The MRF89XA is a single chip, multi-channel FSK/OOK
transceiver capable of operating in the 863-870 MHz
and 902-928 MHz license-free ISM frequency bands, as
well as the 950-960 MHz frequency band. The low-cost
MRF89XA is optimized for very low-power
consumption. It incorporates a baseband modem with
data rates up to 200 kbps. Data handling features
include a 64-byte FIFO, packet handling, automatic
CRC generation and data whitening.
Its highly integrated architecture allows for minimum
external component count while still maintaining design
flexibility.
? 2010–2011 Microchip Technology Inc.
Preliminary
DS70622C-page 3
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