PCM1742KE/2K

Product Overview

• Category: Digital-to-Analog Converter (DAC)
• Use: Converts digital audio signals into analog audio signals
• Characteristics: High-resolution, low-distortion, and high-performance DAC
• Package: Integrated Circuit (IC)
• Essence: Provides accurate and high-quality audio conversion
• Packaging/Quantity: Available in various packaging options (e.g., tape and reel) with a quantity of 250 units per reel

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.002%
• Signal-to-Noise Ratio (SNR): >110 dB
• Dynamic Range: >110 dB
• Output Voltage: 2.1 Vrms (RMS)
• Power Supply Voltage: 5 V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCM1742KE/2K has the following pin configuration:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. SDATA: Serial data input
4. SCLK: Serial clock input
5. LRCK: Left/right channel clock input
6. MUTE: Mute control input
7. VOUTL: Analog left channel output
8. VOUTR: Analog right channel output

Functional Features

• High-resolution audio conversion for accurate reproduction of digital audio signals
• Low distortion and noise levels for improved audio quality
• Wide dynamic range and high signal-to-noise ratio for enhanced audio performance
• Support for high sampling rates up to 192 kHz for detailed audio playback
• Mute control feature for convenient audio management

Advantages and Disadvantages

Advantages

• High-resolution audio conversion ensures accurate and faithful reproduction of digital audio signals.
• Low distortion and noise levels result in improved audio quality and clarity.
• Wide dynamic range and high signal-to-noise ratio contribute to enhanced audio performance.
• Support for high sampling rates allows for detailed audio playback.
• Mute control feature provides convenient audio management.

Disadvantages

• Limited availability of alternative models with similar specifications.
• Requires external components for complete audio system integration.

Working Principles

The PCM1742KE/2K operates by receiving digital audio signals through the SDATA, SCLK, and LRCK pins. It then converts these digital signals into analog audio signals using its internal circuitry. The converted analog audio signals are then output through the VOUTL and VOUTR pins. The device's high-resolution DAC architecture ensures accurate and precise conversion, resulting in high-quality audio reproduction.

Application Field Plans

The PCM1742KE/2K is widely used in various audio applications, including:

1. Professional audio equipment
2. Home theater systems
3. Digital audio players
4. Audio mixing consoles
5. Automotive audio systems

Alternative Models

While the PCM1742KE/2K offers exceptional performance, there are alternative models available in the market that provide similar functionality. Some notable alternatives include:

1. PCM1794A: A high-performance 24-bit DAC with similar resolution and features.
2. CS4398: A 24-bit DAC known for its low-distortion characteristics.
3. AK4490EQ: A high-resolution DAC with excellent signal-to-noise ratio and dynamic range.

These alternative models can be considered based on specific requirements and application needs.

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