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The CD4440 is a stereo audio power amplifier integrated circuit designed for use in various audio applications. It provides amplification for audio signals with low distortion, making it suitable for high-quality audio systems. Additionally, the CD4440 features internal protection functions, including thermal protection, overvoltage protection, and short-circuit protection, which help prevent damage to the device and ensure reliable operation. Overall, the CD4440 is a reliable and efficient stereo audio power amplifier IC for a range of applications.- Supply Voltage: 13.2V- Maximum Operating Voltage: 18V- Surge Supply Voltage: 50V- Allowable Power Dissipation: 15W- Output Power: - Dual-Mode: 6W - Bridge Mode: 19W- Ripple Rejection Ratio: 46dB- Quiescent Current: 100 to 200mA- Operating Temperature: -20°C to 75°C ² ¹