The ATA8403-6AQY is a UHF ASK/FSK transmitter from Atmel. This device is designed for remote control and wireless communication applications, operating in the 300 to 930 MHz frequency band. It integrates a fully programmable fractional-N PLL, a high-efficiency power amplifier, and a sophisticated modulation engine, enabling robust and reliable wireless data transmission.

Applications

• Remote Keyless Entry (RKE) systems
• Tire Pressure Monitoring Systems (TPMS)
• Home and building automation
• Wireless sensor networks
• Industrial remote control

Features

• Frequency range: 300 to 930 MHz
• Modulation: ASK/FSK
• Output power: Up to +13 dBm
• Data rate: Up to 128 kbps
• Low current consumption
• Fully programmable fractional-N PLL
• Integrated power amplifier
• Supply voltage: 2.1 V to 3.6 V
• Small package size: QFN24

Benefits

• Long communication range: The high output power and efficient modulation scheme enable reliable communication over extended distances.
• Low power consumption: The low current consumption extends battery life in portable applications.
• Flexible configuration: The programmable PLL and data rate allow for easy adaptation to different application requirements.
• Small form factor: The compact QFN24 package minimizes the required board space.
• Robust performance: Designed for reliable operation in harsh environments.

Additional Details

The ATA8403-6AQY also includes features such as a power-on reset (POR) circuit, a voltage regulator, and a crystal oscillator. The device can be configured via a serial peripheral interface (SPI). The fractional-N PLL provides fine-grained frequency control, ensuring precise and stable operation. The integrated power amplifier delivers a high output power while maintaining excellent efficiency. The device is compliant with various regulatory standards, making it suitable for use in a wide range of applications worldwide.

For optimal performance, careful attention should be paid to antenna design and impedance matching. The datasheet provides detailed guidelines on these aspects.