PT2399 Audio Digital Processing Chip DIP-16

The PT2399 Audio Digital Processing Chip is a versatile echo/delay processor designed primarily for audio applications. It is commonly used in guitar pedals, karaoke systems, and DIY audio projects. Encased in a DIP-16 package, this IC integrates AD and DA conversion, internal RAM, and control logic, making it a compact solution for high-quality audio delay effects.

Key Features of PT2399 Audio Digital Processing Chip:

• Digital Echo Processor: Built-in delay with adjustable feedback and delay time.
• Low External Components: Simplifies circuit design with few external parts.
• Built-in ADC and DAC: Handles analog-digital and digital-analog conversion internally.
• Adjustable Delay Range: Provides delay times ranging from 30ms to 340ms.
• Low Distortion and Noise: Delivers high-fidelity audio processing.

Technical Specifications of PT2399 Audio Digital Processing Chip:

• Supply Voltage: 4.5V to 5.5V DC
• Typical Operating Voltage: 5V DC
• Current Consumption: 10mA (typical)
• Delay Time: 30ms to 340ms (adjustable with external resistor)
• Package Type: DIP-16
• Sampling Frequency: ~31.25kHz (internally set)

Mechanical Specifications of PT2399:

• Package: Dual Inline Package (DIP-16)
• Pin Count: 16 pins
• Pin Pitch: 2.54mm (standard)
• Body Material: Molded epoxy resin

Dimensions:

• Body Length: 20mm
• Body Width: 7.5mm
• Pin Pitch: 2.54mm
• Pin Row Spacing: 7.62mm

Mounting Options:

• Through-Hole Mount: Suitable for insertion in standard PCBs.
• Socket Compatible: Can be used with DIP-16 IC sockets for easy replacement.

Schematic Diagram, Connection, Wiring and Pinout of PT2399:

• Pin 1: REF (Reference Voltage)
• Pin 2: AGND (Analog Ground)
• Pin 3: VCC (5V Power Supply)
• Pin 4: NC
• Pin 5: ROUT (Right Output)
• Pin 6: RIN (Right Input)
• Pin 7: VCO (Voltage Controlled Oscillator – delay control)
• Pin 8: NC
• Pin 9: VGG (Bias for internal logic)
• Pin 10: AGND
• Pin 11: NC
• Pin 12: LIN (Left Input)
• Pin 13: LOUT (Left Output)
• Pin 14: NC
• Pin 15: DGND (Digital Ground)
• Pin 16: NC

Datasheet of PT2399 Audio Digital Processing Chip:

• Download PT2399 Datasheet (PDF)

Applications of PT2399 Audio Digital Processing Chip:

• Guitar Delay Pedals: Commonly used in DIY and commercial delay effects.
• Karaoke Machines: Adds echo effects to microphone signals.
• Audio Mixers: Enables time-based audio effects in mixers and processors.
• Voice Processing Systems: Used in intercoms and PA systems for delay enhancements.
• DIY Audio Projects: Ideal for hobbyists building audio processors.

Equivalent of PT2399 Audio Digital Processing Chip:

• KIA7217: Audio signal processor with delay function
• MN3207: Bucket Brigade Device (BBD) based delay IC
• PT2395: Similar digital echo processor with enhanced features
• ISD1820: Voice recording and playback IC as alternative for short delays

Package Includes:

• 1 x PT2399 Audio Digital Processing Chip DIP-16