The Si4010-C2002AT is a crystal-less single-chip RF transmitter IC manufactured by Silicon Labs. It's designed for low-power wireless applications operating in the sub-GHz frequency bands. It integrates a complete transmitter solution, including a frequency synthesizer, power amplifier, and modulation circuitry, into a single integrated circuit. The absence of an external crystal significantly reduces the bill of materials (BOM) cost and simplifies the design process.

Applications

• Remote keyless entry (RKE) systems
• Tire pressure monitoring systems (TPMS)
• Home automation
• Wireless sensor networks
• Garage door openers
• Security systems

Features

• Crystal-less operation
• Single-chip RF transmitter
• Sub-GHz frequency bands
• Low power consumption
• Frequency synthesizer
• Power amplifier
• OOK and FSK modulation
• Small package size

Benefits

• Reduced BOM cost due to crystal-less design
• Simplified design and faster time-to-market
• Extended battery life due to low power consumption
• Flexible frequency selection in the sub-GHz range
• High integration reduces board space
• Support for various modulation schemes
• Suitable for a wide range of wireless applications

Additional Details

The Si4010-C2002AT operates in the sub-GHz frequency bands, typically between 300 MHz and 960 MHz. The crystal-less architecture eliminates the need for an external crystal, simplifying the design and reducing the BOM cost. The integrated frequency synthesizer provides accurate frequency generation. The power amplifier delivers sufficient output power for reliable wireless communication. The device supports both On-Off Keying (OOK) and Frequency-Shift Keying (FSK) modulation schemes. The low power consumption ensures extended battery life in battery-powered applications. It is available in a small package size, allowing for compact designs. The operating voltage range is typically between 1.8V and 3.6V. The device is commonly used in remote control applications, wireless sensor networks, and home automation systems. It complies with various regulatory standards for wireless communication. The precise frequency is achieved through internal calibration and temperature compensation.