ATA5749_14 Datasheet, PDF (1/26 Pages) ATMEL Corporation – Fractional-N PLL Transmitter IC

ATA5749/ATA5749C
Fractional-N PLL Transmitter IC
DATASHEET
Features
● Fully integrated fractional-N PLL
● ASK and closed loop FSK modulation
● Output power up to +12.5dBm from 300MHz to 450MHz
● Current consumption is scaled by output power programming
● Fast crystal oscillator start-up time of typically 200µs
● Low current consumption of typically 7.3mA at 5.5dBm
● Only one 13.0000MHz crystal for 314.1MHz to 329.5MHz and 424.5MHz to
439.9MHz operation
● Single ended RF power amplifier output
● Many software programmable options using SPI
● Output power from –0.5dBm to +12.5dBm
● RF frequency from 300MHz to 450MHz with different crystals
● FSK deviation with 396Hz resolution
● CLK output frequency 3.25MHz or 1.625MHz
● Data rate up to 40kbit/s (Manchester)
● 4KV HBM ESD protection including XTO
● Operating temperature range of –40°C to +125°C
● Supply voltage range of 1.9V to 3.6V
● TSSOP10 package
Benefits
● Robust crystal oscillator with fast start up and high reliability
● Lower inventory costs and reduced part number proliferation
● Longer battery lifetime
● Supports multi-channel operation
● Wide tolerance crystal possible with PLL software compensation
9128I-RKE-04/14