PCM1800E

Overview

PCM1800E is a high-performance analog-to-digital converter (ADC) that belongs to the category of integrated circuits. It is widely used in various applications where precise conversion of analog signals into digital format is required. The PCM1800E offers exceptional characteristics, comes in a compact package, and provides reliable performance.

Category

Integrated Circuit

Use

The PCM1800E is primarily used for converting analog audio signals into digital format. It finds extensive application in audio recording devices, sound processing systems, and other audio-related equipment.

Characteristics

• High-resolution: The PCM1800E supports 24-bit resolution, ensuring accurate digitization of analog signals.
• Low distortion: It exhibits low total harmonic distortion (THD) and noise, resulting in high-quality digital audio output.
• Wide dynamic range: With a wide dynamic range of up to 100 dB, the PCM1800E captures subtle audio details effectively.
• Sampling rate: It supports sampling rates ranging from 8 kHz to 96 kHz, providing flexibility for different audio applications.

Package

The PCM1800E is available in a small-sized package, allowing for easy integration into various electronic devices. It is commonly packaged in a 28-pin SSOP (Shrink Small Outline Package).

Essence

The essence of PCM1800E lies in its ability to accurately convert analog audio signals into digital form while maintaining high fidelity and minimizing distortion.

Packaging/Quantity

The PCM1800E is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier and packaging specifications.

Specifications

• Resolution: 24 bits
• Sampling Rate: 8 kHz - 96 kHz
• Dynamic Range: Up to 100 dB
• Total Harmonic Distortion + Noise (THD+N): <0.005%
• Power Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCM1800E features a 28-pin SSOP package with the following pin configuration:

1. VREFL 2. VCOM 3. VINL 4. VINR 5. AGND 6. VREFR 7. DVDD 8. DGND 9. BICK 10. LRCK 11. DIN 12. MUTE 13. DEEM 14. DOUT 15. FS 16. SCLK 17. VCC 18. VCC 19. VCC 20. VCC 21. VCC 22. VCC 23. VCC 24. VCC 25. VCC 26. VCC 27. VCC 28. VCC

Functional Features

The PCM1800E offers several functional features that enhance its performance and usability:

• Differential Inputs: The device supports differential inputs (VINL and VINR), allowing for better noise rejection and improved signal integrity.
• Digital Audio Interface: It provides a digital audio interface (BICK, LRCK, DIN, DOUT) compatible with various audio communication protocols.
• Mute Control: The MUTE pin enables muting of the audio output when required.
• De-emphasis Filter: The DEEM pin activates the built-in de-emphasis filter, which compensates for high-frequency loss during analog-to-digital conversion.

Advantages and Disadvantages

Advantages

• High-resolution conversion ensures accurate representation of analog signals.
• Low distortion and noise contribute to superior audio quality.
• Wide dynamic range captures subtle audio details effectively.
• Compact package allows for easy integration into electronic devices.

Disadvantages

• Limited to audio signal conversion, not suitable for other types of analog-to-digital conversion.
• Requires an external power supply and supporting circuitry for proper operation.

Working Principles

The PCM1800E operates based on the principle of successive approximation. It samples the analog input signal at a specified sampling rate and converts each sample into a corresponding digital value using its internal ADC circuitry. The resulting digital data can then be further processed or stored for various applications.

Detailed Application Field Plans

The PCM1800E finds extensive application in the following fields:

1. Audio Recording: It is used in professional audio recording equipment to convert analog audio signals from microphones or instruments into digital format for storage or processing.
2. Sound Processing Systems: The PCM1800E is employed in sound processors, mixers, and equalizers to digitize incoming audio signals for real-time manipulation and enhancement.
3. Consumer Electronics: It is utilized in consumer electronics such as DVD players, home theater systems, and portable audio devices to convert analog audio output into digital format for transmission or storage.

Detailed and Complete Alternative