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Rochester Electronics PCM1740E Environmental and export classification status description

Overview of Texas Instruments PCM1740E The Texas Instruments PCM1740E is a high-performance digital-to-analog converter (DAC) that supports 24-bit audio data processing. It is designed to provide high-quality audio output with low distortion and noise, making it suitable for various audio applications. Key Features - Resolution: 24-bit - Sample Rate: Up to 192 kHz - Dynamic Range: 106 dB (A-weighted) - Total Harmonic Distortion (THD): 0.0005% at 1 kHz - Output Configuration: Differential or single-ended outputs - Power Supply: Operates at a supply voltage from 5V to 15V - Features Integrated Resistor: Internal resistors, voltage references, and a low-pass filter to minimize external component count Functions 1. Digital-to-Analog Conversion: Transforms digital audio data into analog signals. 2. Audio Processing: Handles high-resolution audio signals with minimal distortion and noise. 3. Filtering: Integrated low-pass filtering to reduce out-of-band noise and interference. 4. Dynamically Controlled Outputs: Allows for differential outputs which help in noise immunity and improved sound quality. Applications - High-Fidelity Audio Systems: Suitable for consumer electronics such as home audio systems, music players, and professional audio equipment. - Broadcasting: Used in radio and television broadcasting equipment. - AV Receivers: Integrated into audio/video receivers for high-definition audio processing. - Musical Instruments: Applied in synthesizers, digital piano systems, and other musical devices. - Smart Devices: Incorporated in smartphones and tablets for enhanced audio playback. Alternative Components 1. PCM1794A: A higher performance DAC from Texas Instruments with improved dynamic range. 2. ESS Sabre DACs: Competitive DACs known for high-resolution audio processing and wide dynamic range. 3. Cirrus Logic CS4398: Another multi-channel high-performance DAC with similar specifications. 4. Wolfson WM8740: Offers good performance for consumer audio applications. 5. Analog Devices AD1955: A high-performance 24-bit DAC aimed at professional audio applications. Embedded Modules 1. TI's PCM1740E Evaluation Module (EVM): Provides a platform to evaluate the functionality and performance of the PCM1740E in a compact format. 2. Development kits from TI: Various development kits available from Texas Instruments with integrated DACs for prototyping and development. Related Q&A 1. Q: What is the maximum sample rate supported by the PCM1740E? - A: The PCM1740E supports a maximum sample rate of up to 192 kHz. 2. Q: What kind of output does the PCM1740E provide? - A: The PCM1740E provides both differential and single-ended output configurations. 3. Q: How does the PCM1740E improve audio quality? - A: It features a high dynamic range of 106 dB and very low total harmonic distortion (0.0005%), which greatly enhances audio fidelity. 4. Q: Can the PCM1740E be used in battery-operated devices? - A: Yes, the PCM1740E can operate with a supply voltage between 5V to 15V, making it suitable for battery-powered applications. 5. Q: Is the PCM1740E suitable for professional audio applications? - A: Yes, the PCM1740E is designed to handle high-resolution audio, making it suitable for both consumer and professional audio applications.