PCM1742E/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: 20-pin SSOP package
• Essence: Provides accurate and high-quality audio conversion
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Dynamic Range: 112 dB
• Total Harmonic Distortion + Noise: 0.002%
• Output Voltage: 2.1 Vrms
• Power Supply: 5 V

Pin Configuration

The PCM1742E/2K has a total of 20 pins. The pin configuration is as follows:

1. VOUTR - Right Channel Analog Output
2. VOUTL - Left Channel Analog Output
3. AGND - Analog Ground
4. AVCC - Analog Power Supply
5. DVCC - Digital Power Supply
6. DGND - Digital Ground
7. BCK - Bit Clock Input
8. LRCK - Word Clock Input
9. DATA - Serial Data Input
10. MUTE - Mute Control Input
11. DEEMPH - De-emphasis Control Input
12. VCOM - Common Mode Voltage Output
13. VREF - Reference Voltage Output
14. VCOM - Common Mode Voltage Output
15. VREF - Reference Voltage Output
16. VCOM - Common Mode Voltage Output
17. VREF - Reference Voltage Output
18. VCOM - Common Mode Voltage Output
19. VREF - Reference Voltage Output
20. VCOM - Common Mode Voltage Output

Functional Features

• High-resolution audio conversion
• Low distortion and noise levels
• Supports high sampling rates for accurate reproduction of audio signals
• Mute control for convenient audio playback control
• De-emphasis control for improved audio quality with compatible sources

Advantages and Disadvantages

Advantages: - High-resolution audio output - Low distortion and noise levels ensure accurate audio reproduction - Wide range of supported sampling rates - Convenient mute control feature - Improved audio quality with de-emphasis control

Disadvantages: - Limited pin configuration options - Requires external power supply

Working Principles

The PCM1742E/2K operates by receiving digital audio data through the DATA input pin. It then converts this digital data into analog audio signals using a high-resolution DAC. The converted analog signals are then output through the VOUTR and VOUTL pins, providing accurate and high-quality audio reproduction.

Detailed Application Field Plans

The PCM1742E/2K is commonly used in various audio applications, including:

1. Professional audio equipment
2. Home theater systems
3. Hi-Fi audio systems
4. Automotive audio systems
5. Multimedia devices

Its high-resolution capabilities and low distortion make it suitable for applications that require accurate audio reproduction.

Detailed and Complete Alternative Models

1. PCM1794A - 24-bit, 192 kHz, 127 dB dynamic range DAC
2. PCM5102A - 24-bit, 192 kHz, 112 dB dynamic range DAC
3. AK4490EQ - 32-bit, 768 kHz, 120 dB dynamic range DAC
4. CS4398 - 24-bit, 192 kHz, 120 dB dynamic range DAC
5. ES9028PRO - 32-bit, 384 kHz, 129 dB dynamic range DAC

These alternative models offer similar features and performance to the PCM1742E/2K and can be considered based on specific requirements and preferences.

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