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General Description

The MAX7060 frequency and power-programmable ASK/FSK transmitter operates at 280MHz to 450MHz frequencies. This device incorporates a fully integrated fractional-N synthesizer, which allows the user to set the RF operating frequency to a large fraction of the 280MHz to 450MHz frequency range with a single crystal. For example, the MAX7060 can be tuned from 285MHz to 420MHz with a 15MHz crystal. The RF output power is user-controlled between +14dBm and -14dBm, with a 5V supply or with battery voltages as low as 3.2V. At the minimum specified battery voltage of 2.1V, the RF output power-control range is between +10dBm and -14dBm. To maintain a good output power match across a broad range of frequencies, the MAX7060 also contains a programmable matching capacitor connected in parallel with the power amplifier (PA) output

Features

? Fully Integrated, Fast Fractional-N PLL

?? 280MHz to 450MHz RF Frequency

?? Frequency Range 100 Tested at +125NC

?? < 250μs Startup Time

?? Adjustable FSK Mark and Space Frequencies

?? Ultra-Clean FSK Modulation

?? 50kbps Manchester Data Rate ASK

?? 70kbps Manchester Data Rate FSK

? Programmable Power Amplifier

?? +14dBm Tx Power with 5V Supply

?? +10dBm Tx Power at 2.1V Supply

?? 28dB Power-Control Range in 1dB Steps

? Tunable PA Matching Capacitor

? Control Through SPI or Manual Settings

? Low Shutdown Current for 2.1V to 3.6V Supply

?? 400nA Standby Current, Power-On-Reset

????? (POR) Active

?? 5nA Shutdown Current, POR Inactive

? Supply Flexibility

?? 2.1V to 3.6V Single-Supply Operation or

?? 4.5V to 5.5V Supply Operation with Internal

????? Regulators

? 24-Pin (4mm x 4mm) TQFN Package

? FCC Part 15, ETSI EN 300 220 Compliant*

Applications

?? Garage-Door Openers

?? Remote Controls

?? Home and Industrial Automation

?? Sensor Networks

?? Security Systems