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The LC7523 is a digital electronic volume control IC manufactured by SANYO (now part of ON Semiconductor). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: SANYO (now ON Semiconductor)
• Type: Digital Electronic Volume Control IC
• Operating Voltage: 4.5V to 13.2V
• Number of Channels: 2 (Stereo)
• Attenuation Range: 0dB to -79dB (1dB steps)
• Total Harmonic Distortion (THD): Typically 0.01%
• Signal-to-Noise Ratio (SNR): 100dB (Typical)
• Interface: Serial Data Input (3-wire control)
• Package: DIP (Dual In-line Package) or SOP (Small Outline Package)

Descriptions:

The LC7523 is a digitally controlled stereo volume IC designed for audio applications. It allows precise attenuation control via a serial interface, making it suitable for use in amplifiers, receivers, and other audio systems requiring electronic volume adjustment.

Features:

• Low Distortion: Ensures high-fidelity audio output.
• Wide Operating Voltage Range: Compatible with various power supplies.
• 1dB Step Attenuation: Provides fine volume control.
• Serial Data Control: Simple 3-wire interface for easy integration.
• Mute Function: Includes a built-in mute capability.
• Low Noise: High SNR for clear audio performance.

This IC is commonly used in consumer audio equipment where digital volume control is required.