PCM1804DBG4

Product Overview

Category: Analog-to-Digital Converter (ADC)

Use: The PCM1804DBG4 is a high-performance stereo audio ADC designed for professional audio applications. It converts analog audio signals into digital format, allowing for further processing and storage.

Characteristics: - High-resolution: The PCM1804DBG4 supports up to 24-bit resolution, ensuring accurate representation of the original audio signal. - Low distortion: With a dynamic range of 105 dB, the ADC captures audio with minimal distortion, preserving the fidelity of the source material. - Sampling rate: It supports sampling rates up to 192 kHz, enabling high-quality audio capture. - Package: The PCM1804DBG4 comes in a small SSOP-28 package, making it suitable for space-constrained designs. - Essence: This ADC provides a reliable and efficient solution for converting analog audio signals into digital form.

Packaging/Quantity: The PCM1804DBG4 is typically sold in reels of 250 units per reel.

Specifications

• Resolution: Up to 24 bits
• Dynamic Range: 105 dB
• Sampling Rate: Up to 192 kHz
• Power Supply Voltage: 3.3 V
• Package Type: SSOP-28

Pin Configuration

The PCM1804DBG4 features a total of 28 pins, which are assigned specific functions as follows:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. BCK: Bit clock input
4. DIN: Serial data input
5. LRCK: Left/right clock input
6. MUTE: Mute control input
7. DEEMPH: De-emphasis control input
8. OSF: Oversampling filter selection input
9. DEMP: De-emphasis selection input
10. DGND: Digital ground reference
11. DGND: Digital ground reference
12. DGND: Digital ground reference
13. DGND: Digital ground reference
14. DGND: Digital ground reference
15. DGND: Digital ground reference
16. DGND: Digital ground reference
17. DGND: Digital ground reference
18. DGND: Digital ground reference
19. DGND: Digital ground reference
20. DGND: Digital ground reference
21. DGND: Digital ground reference
22. DGND: Digital ground reference
23. DGND: Digital ground reference
24. DGND: Digital ground reference
25. DGND: Digital ground reference
26. DGND: Digital ground reference
27. DGND: Digital ground reference
28. DGND: Digital ground reference

Functional Features

• High-resolution audio conversion: The PCM1804DBG4 supports up to 24-bit resolution, ensuring accurate and detailed representation of the analog audio signal.
• Low distortion: With a dynamic range of 105 dB, the ADC captures audio with minimal distortion, preserving the original quality of the source material.
• Flexible clocking options: The device accepts various clocking configurations, allowing for compatibility with different system setups.
• Mute control: The MUTE pin enables easy muting of the audio signal when required.
• De-emphasis support: The DEEMPH pin allows for de-emphasis selection, ensuring proper playback of pre-emphasized audio sources.

Advantages and Disadvantages

Advantages: - High-resolution audio conversion - Low distortion for accurate audio capture - Flexible clocking options for compatibility - Mute control for convenient signal muting - De-emphasis support for proper playback of pre-emphasized audio

Disadvantages: - Limited package options - Requires external components for full functionality

Working Principles

The PCM1804DBG4 operates by sampling the analog audio input and converting it into a digital representation. It utilizes a high-resolution ADC architecture to accurately capture the amplitude of the audio signal at regular intervals. The resulting digital data can then be further processed or stored for playback.

Detailed Application Field Plans

The PCM1804DBG4 is commonly used in various professional audio applications, including: - Audio recording equipment - Mixing consoles - Digital audio workstations (DAWs) - Musical instruments - Broadcast equipment

Its high-resolution and low-distortion characteristics make it suitable for capturing and digitizing audio signals with exceptional fidelity.

Detailed and Complete Alternative Models

1. PCM1802: A similar stereo audio ADC with 24-bit resolution and a dynamic range of 105 dB. It comes in an SSOP-28 package.
2. PCM1862: A stereo audio ADC with integrated microphone preamplifiers. It supports up to 24-bit resolution and offers a dynamic range of 100 dB. Available in an SSOP-28 package.
3. PCM9211: An audio ADC with integrated digital audio interface receiver. It supports up