The XR2211 is a monolithic phase-locked loop (PLL) tone decoder manufactured by Exar Corporation. It's designed for use in a wide range of tone decoding applications, including remote control, data communication, and telemetry.

Applications

• Remote control systems
• FSK (Frequency-Shift Keying) data transmission
• Telemetry receivers
• Wireless security systems
• Touch-tone decoding

Features

• Wide supply voltage range (4.5V to 20V)
• Adjustable bandwidth and center frequency
• High noise immunity
• Excellent temperature stability
• Single-ended or differential input capability

Benefits

• Versatile tone decoding capabilities
• Operates with a wide range of power supplies
• Provides reliable decoding in noisy environments
• Stable performance over temperature variations
• Suitable for various input signal types

Additional Details

The XR2211 features a built-in voltage-controlled oscillator (VCO), phase detector, and comparator. The center frequency and bandwidth can be adjusted using external components. It provides both logic-compatible and analog outputs. The device offers excellent temperature stability and high noise immunity. The XR2211 is available in DIP and SOIC packages.

The adjustable bandwidth feature allows for precise tuning to specific tone frequencies, while the high noise immunity ensures reliable decoding even in harsh environments. Its wide supply voltage range makes it adaptable to various power supply configurations. Its applications span across multiple industries, including security systems, remote control devices, and communication equipment. The XR2211 is a versatile and reliable tone decoder solution for a variety of applications.