PCM1851PJTRG4

Product Overview

Category: Integrated Circuit (IC)

Use: The PCM1851PJTRG4 is a high-performance audio analog-to-digital converter (ADC) designed for professional audio applications. It provides precise and accurate conversion of analog audio signals into digital format.

Characteristics: - High-resolution: The PCM1851PJTRG4 supports up to 24-bit resolution, ensuring excellent audio fidelity. - Low distortion: It offers low total harmonic distortion (THD) and noise, resulting in clear and high-quality audio reproduction. - Wide dynamic range: With a wide dynamic range, the PCM1851PJTRG4 can capture both subtle nuances and loud sounds accurately. - Sampling rate: It supports sampling rates up to 192 kHz, allowing for high-fidelity audio recording and playback. - Interface compatibility: The PCM1851PJTRG4 is compatible with various digital audio interfaces, including I2S, left-justified, right-justified, and TDM formats.

Package: The PCM1851PJTRG4 comes in a small-sized, surface-mount package, making it suitable for compact audio equipment designs.

Essence: The essence of the PCM1851PJTRG4 lies in its ability to convert analog audio signals into digital format with high precision and fidelity, enabling accurate audio reproduction in professional audio applications.

Packaging/Quantity: The PCM1851PJTRG4 is typically available in reels containing a specified quantity of ICs, as per the manufacturer's packaging standards.

Specifications

• Resolution: Up to 24 bits
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.001%
• Signal-to-Noise Ratio (SNR): >100 dB
• Dynamic Range: >110 dB
• Power Supply Voltage: 3.3 V
• Digital Interface: I2S, left-justified, right-justified, TDM

Detailed Pin Configuration

The PCM1851PJTRG4 features a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. SDOUT: Serial data output
4. BCLK: Bit clock input
5. LRCLK: Left/right clock input
6. MCLK: Master clock input
7. AGND: Analog ground reference
8. AINL+: Positive input for the left audio channel
9. AINL-: Negative input for the left audio channel
10. AINR+: Positive input for the right audio channel
11. AINR-: Negative input for the right audio channel 12-20. NC: No connection (reserved for future use)

Functional Features

• High-resolution audio conversion
• Low distortion and noise
• Wide dynamic range
• Flexible digital interface compatibility
• Low power consumption
• Built-in digital filters for enhanced audio performance

Advantages and Disadvantages

Advantages: - High-resolution audio conversion ensures accurate reproduction of audio signals. - Low distortion and noise contribute to excellent audio quality. - Wide dynamic range captures both subtle details and loud sounds effectively. - Compatibility with various digital audio interfaces offers flexibility in system integration. - Low power consumption makes it suitable for portable and battery-powered devices.

Disadvantages: - Limited pin configuration options may restrict certain system designs. - Requires external components for complete audio signal processing.

Working Principles

The PCM1851PJTRG4 operates on the principle of analog-to-digital conversion. It receives analog audio signals through its input pins and converts them into digital format using an internal ADC. The converted digital audio data is then output through the serial data output pin, compatible with various digital audio interfaces.

Detailed Application Field Plans

The PCM1851PJTRG4 finds applications in a wide range of professional audio equipment, including: - Audio recording systems - Mixing consoles - Digital audio workstations (DAWs) - Musical instruments - Professional audio interfaces

Its high-resolution conversion, low distortion, and wide dynamic range make it suitable for capturing and reproducing audio signals accurately in these applications.

Detailed and Complete Alternative Models

• PCM1808: Similar audio ADC with 24-bit resolution and 96 kHz sampling rate.
• PCM1861: Higher-performance audio ADC with 32-bit resolution and 192 kHz sampling rate.
• PCM9211: Integrated audio codec with ADC and DAC functionality.

These alternative models offer different features and specifications, providing options for various audio system requirements.

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