CS4385-DQZR

Product Overview

Category

CS4385-DQZR belongs to the category of audio digital-to-analog converters (DACs).

Use

The CS4385-DQZR is primarily used in audio systems to convert digital audio signals into analog signals for playback through speakers or headphones.

Characteristics

• High-resolution audio conversion
• Low distortion and noise levels
• Wide dynamic range
• Support for various audio formats
• Compact size

Package

The CS4385-DQZR comes in a small, surface-mount package, making it suitable for integration into compact electronic devices.

Essence

The essence of the CS4385-DQZR lies in its ability to accurately convert digital audio signals into high-quality analog signals, ensuring faithful reproduction of sound.

Packaging/Quantity

The CS4385-DQZR is typically packaged in reels or trays, with quantities varying depending on customer requirements.

Specifications

• Resolution: Up to 24-bit
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.001%
• Signal-to-Noise Ratio (SNR): >110 dB
• Dynamic Range (DR): >110 dB
• Power Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CS4385-DQZR has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. SDIN: Serial data input
4. SCLK: Serial clock input
5. LRCK: Left/right channel select
6. MCLK: Master clock input
7. BICK: Bit clock input
8. DOUT: Digital audio output
9. AGND: Analog ground reference
10. AVDD: Analog power supply voltage input
11. VCOM: Common-mode voltage output 12-19. DACOUT1-8: Analog audio outputs 20-28. NC: No connection

Functional Features

• High-resolution audio conversion: The CS4385-DQZR supports up to 24-bit resolution, ensuring accurate reproduction of audio signals.
• Low distortion and noise levels: With a THD+N of less than 0.001% and an SNR and DR exceeding 110 dB, the CS4385-DQZR delivers high-fidelity sound with minimal distortion and noise.
• Wide dynamic range: The wide dynamic range allows for the faithful reproduction of both soft and loud audio passages.
• Support for various audio formats: The CS4385-DQZR is compatible with a wide range of audio formats, including PCM, DSD, and others.
• Compact size: The small form factor of the CS4385-DQZR enables its integration into space-constrained audio systems.

Advantages and Disadvantages

Advantages

• High-resolution audio conversion ensures accurate sound reproduction.
• Low distortion and noise levels result in high-fidelity audio playback.
• Wide dynamic range allows for faithful reproduction of audio dynamics.
• Compatibility with various audio formats enhances versatility.
• Compact size facilitates integration into compact electronic devices.

Disadvantages

• Limited pin configuration may restrict certain system design options.
• Requires external components for complete audio system implementation.

Working Principles

The CS4385-DQZR operates by receiving digital audio data through its serial data input (SDIN) and clock inputs (SCLK, LRCK, MCLK, BICK). It then converts this digital data into analog signals using its internal digital-to-analog conversion circuitry. The resulting analog audio signals are available at the DACOUT pins for further amplification and playback.

Detailed Application Field Plans

The CS4385-DQZR finds applications in various audio systems, including: - Home theater systems - Professional audio equipment - Automotive audio systems - Portable media players - Headphone amplifiers

Detailed and Complete Alternative Models

• CS4398: A higher-end DAC with improved specifications and additional features.
• CS4344: A lower-cost DAC suitable for budget audio systems.
• PCM1794A: A high-performance DAC with advanced digital filtering capabilities.

These alternative models offer different trade-offs in terms of performance, cost, and features, providing options to suit various audio system requirements.

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