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MRF49XA
ISM Band Sub-GHz RF Transceiver
Features
? Fully Integrated Sub-GHz Transceiver
? Supports Proprietary Sub-GHz Wireless Protocols
? 4-Wire Serial Peripheral Interface (SPI)
Compatible Interface
? CMOS/TTL Compatible I/Os
? Clock and Reset Signals for Microcontroller
? Integrated 10 MHz Oscillator Circuitry
? Integrated Low Battery Voltage Detector
? Supports Power-Saving modes
? Operating Voltage: 2.2V–3.8V
? Low-Current Consumption, Typically:
- 11 mA in RX mode
- 15 mA in TX mode
- 0.3 μ A in Sleep mode
? Industrial Temperature Range
Baseband Features
? Supports Programmable TX Frequency Deviation
and RX Baseband Bandwidth (BBBW)
? Analog and Digital RSSI Outputs with Dynamic
Range
? RX Synchronous Pattern Recognition
? 16-Bit RX Data FIFO
? Two 8-Bit TX Data Registers
? Low-Power Duty Cycle mode
? Advanced Adjacent Channel Rejection/Blocking
Capability
? Internal Data and Clock Recovery
? Supports Data Filtering
? Data Quality Indicator (DQI)
Typical Applications
? 16-Pin TSSOP Package
RF/Analog Features
? Supports ISM Band Sub-GHz Frequency Ranges
(433 MHz, 868 MHz and 915 MHz)
? Modulation Technique: FSK with Frequency
Hopping Spread Spectrum (FHSS) Capability
? Supports High Data Rates:
- Digital mode 115.2 kbps, max.
- Analog mode 256 kbps, max.
? Differential RF Input/Output:
- -110 dBm Typical Sensitivity with 0 dBm
Maximum Input Level
- +7 dBm Typical Transmit Output Power
? High-Resolution Programmable Phase-Locked
Loop (PLL) Synthesizer
? Integrated Power Amplifier
? Integrated Low Phase Noise Voltage Controlled
Oscillator (VCO) Frequency
? Synthesizer and PLL Loop Filter
? Automatic Frequency Control (AFC)
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Home/Industrial Automation
Remote Control
Wireless PC Peripherals
Remote Keyless Entry
Vehicle Sensor Monitoring
Telemetry
Data Logging Systems
Remote Automatic Meter Reading
Security Systems for Home/Industrial
Environment
Automobile Immobilizers
Sports and Performance Monitoring
Wireless Toy Controls
Medical Applications
? 2009-2011 Microchip Technology Inc.
Preliminary
DS70590C-page 3
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