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ATA5749C_14 Datasheet, PDF (1/26 Pages) ATMEL Corporation – Fractional-N PLL Transmitter IC | |||
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ATA5749/ATA5749C
Fractional-N PLL Transmitter IC
DATASHEET
Features
â Fully integrated fractional-N PLL
â ASK and closed loop FSK modulation
â Output power up to +12.5dBm from 300MHz to 450MHz
â Current consumption is scaled by output power programming
â Fast crystal oscillator start-up time of typically 200µs
â Low current consumption of typically 7.3mA at 5.5dBm
â Only one 13.0000MHz crystal for 314.1MHz to 329.5MHz and 424.5MHz to
439.9MHz operation
â Single ended RF power amplifier output
â Many software programmable options using SPI
â Output power from â0.5dBm to +12.5dBm
â RF frequency from 300MHz to 450MHz with different crystals
â FSK deviation with 396Hz resolution
â CLK output frequency 3.25MHz or 1.625MHz
â Data rate up to 40kbit/s (Manchester)
â 4KV HBM ESD protection including XTO
â Operating temperature range of â40°C to +125°C
â Supply voltage range of 1.9V to 3.6V
â TSSOP10 package
Benefits
â Robust crystal oscillator with fast start up and high reliability
â Lower inventory costs and reduced part number proliferation
â Longer battery lifetime
â Supports multi-channel operation
â Wide tolerance crystal possible with PLL software compensation
9128I-RKE-04/14
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