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The PT2313L is a digital audio processor IC manufactured by Princeton Technology Corp. (PTC). Below are the factual specifications, descriptions, and features of the PT2313L:

Specifications:

• Manufacturer: Princeton Technology Corp. (PTC)
• Type: Digital Audio Processor
• Package: SOP-28 (Small Outline Package, 28 pins)
• Operating Voltage: 3.3V or 5V (depending on application)
• Input Channels: 4-channel stereo input
• Output Channels: 2-channel stereo output
• Signal-to-Noise Ratio (SNR): Typically ≥ 85dB
• Total Harmonic Distortion (THD): < 0.1%
• Digital Control Interface: I²C (Inter-Integrated Circuit)
• Sampling Rate: Supports standard audio sampling rates (e.g., 44.1kHz, 48kHz)

Descriptions:

The PT2313L is a digital audio processing IC designed for applications requiring multi-channel audio control, such as car audio systems, home theaters, and multimedia devices. It provides features like volume control, tone adjustment (bass/treble), balance, and input source selection.

Features:

• 4-Channel Input Selector: Allows switching between multiple stereo audio sources.
• Volume Control: Digital adjustment with smooth attenuation.
• Tone Control: Adjustable bass and treble settings.
• Balance & Fader Control: Adjusts left/right and front/rear audio distribution.
• Built-in Attenuator: Reduces signal distortion at high volumes.
• I²C Control Interface: Enables microcontroller-based adjustments.
• Low Power Consumption: Suitable for portable and automotive applications.
• Mute Function: Software-controlled mute capability.

For exact electrical characteristics, refer to the official PTC datasheet.