The Atmel T5750 is a low-power ASK/FSK transmitter IC designed for wireless remote control and data transmission applications. It operates in the 300-930 MHz frequency range and is optimized for use in keyless entry systems, tire pressure monitoring systems (TPMS), and other similar applications requiring secure and reliable wireless communication.

Applications

• Remote keyless entry (RKE) systems
• Tire pressure monitoring systems (TPMS)
• Garage door openers
• Wireless sensors
• Alarm systems

Features

• Frequency range: 300-930 MHz
• ASK/FSK modulation
• Low power consumption
• High output power
• Programmable data rate
• On-chip PLL (Phase-Locked Loop)
• Crystal oscillator interface
• Supply voltage range: Typically 2.0V to 3.6V

Benefits

• Extended battery life in wireless applications due to low power consumption.
• Reliable wireless communication with high output power and ASK/FSK modulation.
• Flexibility in data transmission with programmable data rates.
• Simplified system design with integrated PLL and crystal oscillator interface.
• Cost-effective solution for wireless remote control and data transmission applications.
• Increased system security when used in keyless entry or alarm systems.

Technical Specifications

The T5750 features a programmable data rate, typically up to 20 kbps. It offers adjustable output power levels. The device includes power-down modes to further reduce power consumption when not actively transmitting. It is available in a small surface-mount package, such as a SOIC or QFN. The operating temperature range is typically -40°C to +85°C. The PLL is designed for quick frequency settling time. The integrated crystal oscillator supports a wide range of crystal frequencies.