PCM1748KE/2K

Product Overview

• Category: Digital-to-Analog Converter (DAC)
• Use: Converts digital audio signals into analog audio signals
• Characteristics: High-resolution audio conversion, low distortion, wide dynamic range
• Package: 20-pin SSOP package
• Essence: Provides high-quality audio output for various applications
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise: <0.002%
• Dynamic Range: >100 dB
• Operating Voltage: 3.3V
• Digital Interface: I2S, left-justified, right-justified, or DSP
• Output Type: Single-ended or differential

Pin Configuration

The PCM1748KE/2K has a total of 20 pins. The pin configuration is as follows:

1. VCC: Power supply voltage
2. GND: Ground
3. SDIN: Serial data input
4. SCLK: Serial clock input
5. LRCK: Left/right channel select
6. MUTE: Mute control
7. DEEMPH: De-emphasis control
8. OSF: Oversampling filter select
9. VOUTL: Analog output - left channel
10. VOUTR: Analog output - right channel
11. AGND: Analog ground
12. AVCC: Analog power supply voltage 13-20. NC: No connection

Functional Features

• High-resolution audio conversion for accurate reproduction of audio signals
• Low distortion ensures faithful sound reproduction
• Wide dynamic range captures subtle details in the audio
• Multiple digital interface options for compatibility with various systems
• Mute and de-emphasis controls for enhanced audio control

Advantages and Disadvantages

Advantages: - High-resolution audio conversion for superior sound quality - Low distortion ensures accurate audio reproduction - Wide dynamic range captures subtle details in the audio - Versatile digital interface options for compatibility with different systems

Disadvantages: - Limited pin configuration may restrict certain applications - Requires external components for complete audio system integration

Working Principles

The PCM1748KE/2K operates by receiving digital audio data through its input pins. It then converts this digital data into analog audio signals using a high-resolution DAC. The converted analog signals are then amplified and sent to the output pins for further processing or direct connection to an audio output device.

Detailed Application Field Plans

The PCM1748KE/2K is suitable for a wide range of applications, including:

1. Audio equipment manufacturing: Used in CD players, DVD players, and home theater systems for high-quality audio output.
2. Professional audio systems: Integrated into mixing consoles, audio interfaces, and studio monitors to ensure accurate audio reproduction.
3. Automotive audio systems: Provides high-fidelity audio output in car audio systems for an immersive listening experience.
4. Consumer electronics: Used in portable media players, smartphones, and tablets to enhance audio quality.

Detailed and Complete Alternative Models

1. PCM1794A: Similar high-resolution DAC with improved specifications and features.
2. PCM5102A: Lower-cost DAC option with good performance for budget-conscious applications.
3. AK4490EQ: High-end DAC with exceptional audio quality and advanced features.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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