Stereo Audio Processor for Home TV Audio

This PT2315E IC-based audio processor is designed for versatile applications and includes master volume control with low-frequency loudness compensation, speaker output attenuator, and tone control. It is a good solution for home audio signal processing. Due to the high-reliability requirement from the audio business, the PT2315E improves both audio performances and input surge current capability and these cause the PT2315E to be the best solution for the cost-effective audio systems.

Features

• Power Supply 5V DC (Range 4V to 10V)
• Master volume from 0 dB to -78.75dB in 1.25dB/step
• Speaker attenuator for balance ranges from 0dB to -38.75dB in 1.25dB/step
• Each channel output can be muted individually.
• Low-frequency loudness compensation
• All Controls using I2C Interface
• Bass and Treble control, range from -14dB to +14dB in 2dB/step
• Low harmonic distortion, low noise
• PCB Dimensions 51.12 x 27.78 mm
• 4 x 2.5 mm Mounting Holes

Connections and Other Details

• CN1: 3.5MM Stereo EP Female Socket Audio Input
• CN2: Pin 1 = VDD, Pin 2 – SCL, Pin 3 = SDA, Pin 4 = GND (I2C)
• CN3: 3.5MM Stereo EP Female Socket Audio Input
• CN4: Optional Audio Output Header Connector Pin1 = GND, Pin 2 = Audio Output Left Chnl, Pin 3 = Audio Output Right Chnl
• CN5: Optional Audio Output Header Connector Pin1 = Audio Input Right Chnl, Pin 2 = Audio Input Left Chnl, Pin 3 = GND
• D1: Power LED

Schematic

Parts List

Connections

Block Diagram

Application Schematic

Gerber View

Photos

PT2315E Datasheet

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