Description
The Atmel® ATA5749 is a fractional-N-PLL transmitter IC for 300MHz to 450MHz operation and is especially targeted for Tire Pressure Sensor Gauges, Remote Keyless Entry, and Passive Entry and other automotive applications.
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.
ATA5749 Datasheet
