PCM5121PWR

Product Overview

Category: Integrated Circuit (IC)

Use: The PCM5121PWR is a high-performance audio digital-to-analog converter (DAC) designed for various audio applications. It provides high-quality audio conversion from digital to analog signals.

Characteristics: - High-resolution audio conversion - Low distortion and noise levels - Wide dynamic range - Support for multiple audio formats - Flexible control options

Package: The PCM5121PWR is available in a small outline package (SOIC) with 16 pins, which allows for easy integration into electronic devices.

Essence: The PCM5121PWR is the core component responsible for converting digital audio signals into high-quality analog signals, ensuring accurate reproduction of sound.

Packaging/Quantity: The PCM5121PWR is typically sold in reels containing a quantity of 2500 units per reel.

Specifications

• Resolution: Up to 32-bit
• Sampling Rate: Up to 384 kHz
• Signal-to-Noise Ratio (SNR): >112 dB
• Total Harmonic Distortion (THD): <0.001%
• Output Voltage Range: 2.1 Vpp
• Power Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCM5121PWR features the following pin configuration:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. MCLK: Master clock input
4. BCK: Bit clock input
5. LRCK: Left/right clock input
6. SDIN: Serial data input
7. SDA: I2C serial data input/output
8. SCL: I2C serial clock input
9. AGND: Analog ground reference
10. AVDD: Analog power supply voltage input
11. VCOM: Common-mode voltage output
12. VOUTL: Left channel analog output
13. VOUTR: Right channel analog output
14. DVDD: Digital power supply voltage input
15. RESET: Reset control input
16. NC: No connection

Functional Features

• High-resolution audio conversion for accurate sound reproduction
• Support for various audio formats, including PCM and DSD
• Flexible control options through I2C interface
• Built-in digital filters for enhanced audio performance
• Low power consumption for energy-efficient operation
• Integrated headphone amplifier for direct headphone connection

Advantages and Disadvantages

Advantages: - High-quality audio conversion with low distortion and noise levels - Wide dynamic range for detailed sound reproduction - Support for multiple audio formats ensures compatibility - Flexible control options allow for customization - Integrated headphone amplifier simplifies design

Disadvantages: - Requires external components for complete audio system integration - Limited availability of alternative models with similar specifications

Working Principles

The PCM5121PWR operates by receiving digital audio data and converting it into analog signals using a high-resolution DAC. The converted analog signals are then amplified and outputted to the desired audio devices, such as speakers or headphones. The device utilizes advanced digital signal processing techniques to ensure accurate and faithful audio reproduction.

Application Field Plans

The PCM5121PWR is suitable for a wide range of audio applications, including: - Professional audio equipment - Consumer audio systems - Automotive audio systems - Multimedia devices - Home theater systems

Alternative Models

While the PCM5121PWR is a highly capable audio DAC, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: - PCM5102A - AK4490EQ - CS4398

These alternative models provide comparable audio performance and features, allowing designers to choose the most suitable option for their specific application requirements.

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