AD1938

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AD1938

+物料清單

ADI 4-ADC 8-DAC Audio codec w/on chip PLL

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  • 製造商部分 #AD1938

  • 有存貨29068

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規格

屬性 價值
Packaging Tray
Standard Pack Qty 250

概述

Description

The AD1938 is a high-performance, single-chip audio codec from Analog Devices, designed for applications requiring analog-to-digital (ADC) and digital-to-analog (DAC) conversion. It features four ADC channels and eight DAC channels, providing a complete audio solution suitable for high-quality audio processing in devices like digital audio workstations, AV receivers, and home theater systems.
The AD1938 supports sampling rates up to 192 kHz, ensuring high-fidelity audio. It incorporates a time-division multiplexed (TDM) interface, catering to systems that require multiple audio channels. The codec's ADCs and DACs offer excellent dynamic range and low total harmonic distortion, enhancing audio clarity and precision.
Power management features include separate power supplies for the analog and digital sections, improving noise isolation and audio performance. The device's flexible configuration and control options, accessible via an SPI or I²C interface, make it adaptable for various applications.
In summary, the AD1938 is a versatile and efficient audio codec, praised for its high-quality audio conversion capabilities and suitability for a wide range of audio applications.

Equivalent

The AD1938 is an audio codec from Analog Devices. Equivalent products include:
1. Texas Instruments TLV320AIC3104
2. Cirrus Logic CS42448
3. AKM AK4558
4. Wolfson WM8731
These alternatives offer similar functionalities, such as multi-channel audio processing, although specific features may vary. Always compare specifications to ensure compatibility with your application.

Features

The AD1938 is a high-performance, single-chip audio codec from Analog Devices, typically used in professional audio and consumer applications. Key features include:
1. Audio Performance: It features 24-bit resolution for both analog-to-digital (ADC) and digital-to-analog converters (DAC), ensuring high-fidelity audio.
2. Sampling Rates: Supports sampling rates up to 192 kHz, suitable for a variety of audio applications from high-quality music playback to professional audio recording.
3. Channels: It provides 8 DAC channels and 4 ADC channels, allowing for complex audio processing and multichannel audio outputs.
4. Dynamic Range: The AD1938 offers a wide dynamic range of 110 dB for DAC and 106 dB for ADC, resulting in clear and detailed sound.
5. Interface: It includes an I²S, left-justified, and TDM serial port for flexible audio interfacing with other digital audio components.
6. Power Supply: Operates on a low power supply of 3.3V for digital and 5V for analog, making it suitable for portable devices.
7. Integrated PLL: Features an on-chip PLL, enabling simplified clock management and synchronization.
These features make the AD1938 versatile for use in various audio processing applications.

Pinout

The AD1938 is a high-performance, single-chip codec (coder-decoder) used in audio applications. It features a 48-pin LQFP (Low-Profile Quad Flat Package). The device provides multiple functionalities, including:
1. DACs (Digital-to-Analog Converters): The AD1938 has four stereo DACs, supporting up to 8 channels of audio output.
2. ADCs (Analog-to-Digital Converters): It includes two stereo ADCs, providing up to 4 channels of audio input.
3. Clock Management: It has an integrated PLL (Phase-Locked Loop) for clock generation.
4. Serial Data Interface: It supports I2S, left-justified, and other serial data formats.
5. Control Interface: The codec can be controlled via an I2C or SPI interface.
This comprehensive functionality makes it suitable for a wide range of audio applications, including consumer electronics and professional audio equipment.

Manufacturer

The AD1938 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These components are used in a wide range of electronic equipment. Founded in 1965 and headquartered in Norwood, Massachusetts, USA, Analog Devices provides solutions for various industries, including communications, healthcare, automotive, and industrial applications. The company is known for its innovation in high-performance signal processing technologies.

Application

The AD1938 is an audio codec used in various audio processing applications. Its primary application areas include:
1. Consumer Electronics: Used in home theater systems, soundbars, and TVs for high-quality audio output.
2. Professional Audio Equipment: Integrated into mixing consoles, audio interfaces, and recording equipment to ensure precise sound reproduction and recording.
3. Automotive Audio Systems: Enhances in-car audio experiences by providing clear and high-fidelity sound.
4. Musical Instruments: Utilized in digital pianos and synthesizers for superior audio performance.
5. Communication Systems: Used in conferencing tools and communication devices for clear voice transmission.
Its versatility and high-performance characteristics make it suitable for any application requiring high-quality audio processing.

Package

The AD1938 is a high-performance, single-chip codec with multiple ADCs and DACs. It typically comes in a 52-lead LQFP (Low-Profile Quad Flat Package).