AD1881A

AC??7 SoundMAX Codec
5,468 有效庫存

AD1881A

有效庫存5,468

AC??7 SoundMAX Codec

  • 製造商零件號 # : AD1881A

  • 包裝/封裝: QFP48

  • 製造商: Analog Devices

  • 產品分類 : Other Consumer ICs

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AD1881A 數據表
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詳細說明

PRODUCT OVERVIEWThe AD1881A meets the Audio Codec ’97 2.0 and 2.1 Extensions. In addition, the AD1881A SoundMAX Codec is designed to meet all requirements of the Audio Codec ’97, Component Specification, Revision 1.03, © 1996, Intel Corporation, found at www.Intel.com. The AD1881A also includes some other Codec enhanced features such as the built-in PHAT Stereo 3D enhancement.The AD1881A is an analog front end for high performance PC audio applications. The AC’97 architecture defines a 2-chip audio solution comprising a digital audio controller, plus a high quality analog component that includes Digital-to-Analog Converters (DACs), Analog-to-Digital Converters (ADCs), mixer and I/O.The main architectural features of the AD1881A are the high quality analog mixer section, two channels of Σ∆ ADC conversion, two channels of Σ∆ DAC conversion with Data Direct Scram bling (D2S) rate generators. The AD1881A’s left channel ADC and DAC are compatible for modem applications supporting irrational sample rates and modem filtering requirements.AC’97 2.1 FEATURES Variable Sample Rate True Line-Level Output Supports Secondary Codec Modes AC’97 FEATURES Designed for AC’97 Analog I/O Component 48-Lead LQFP Package Multibit ΣΔ Converter Architecture for Improved S/N Ratio Greater than 90 dB 16-Bit Stereo Full-Duplex Codec Four Analog Line-Level Stereo Inputs for Connection from LINE, CD, VIDEO, and AUX Two Analog Line-Level Mono Inputs for Speakerphone and PC BEEP Mono MIC Input Switchable from Two External Sources High Quality CD Input with Ground Sense Stereo Line-Level Output Mono Output for Speakerphone or Internal Speaker Power Management SupportENHANCED FEATURES Mobile Low Power Mixer Mode Digital Audio Mixer Mode Full Duplex Variable 8 kHz to 48 kHz Sampling Rate with 1 Hz Resolution PHAT™ Stereo 3D Stereo Enhancement Split Power Supplies (3.3 V Digital/5 V Analog) Extended 6-Bit Master Volume Control Audio Amp Power-Down Signal

主要特徵

  • Variable Sample Rate
  • True Line-Level Output
  • Supports Secondary Codec Modes
  • AC’97 FEATURES
  • Designed for AC’97 Analog I/O Component
  • 48-Lead LQFP Package
  • Multibit ΣΔ Converter Architecture for Improved
  • S/N Ratio Greater than 90 dB
  • 16-Bit Stereo Full-Duplex Codec
  • Four Analog Line-Level Stereo Inputs for Connection
  • from LINE, CD, VIDEO, and AUX
  • Two Analog Line-Level Mono Inputs for Speakerphone
  • and PC BEEP
  • Mono MIC Input Switchable from Two External
  • Sources
  • High Quality CD Input with Ground Sense
  • Stereo Line-Level Output
  • Mono Output for Speakerphone or Internal Speaker
  • Power Management Support
  • ENHANCED FEATURES
  • Mobile Low Power Mixer Mode
  • Digital Audio Mixer Mode
  • Full Duplex Variable 8 kHz to 48 kHz Sampling Rate
  • with 1 Hz Resolution
  • PHAT™ Stereo 3D Stereo Enhancement
  • Split Power Supplies (3.3 V Digital/5 V Analog)
  • Extended 6-Bit Master Volume Control
  • Audio Amp Power-Down Signal

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Manufacturer Analog Devices Product Category ! IC Chips

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 AD1881A PDF 下載

常見問題解答

What is AD1881A?

The AD1881A is a high-performance audio codec (coder/decoder) designed by Analog Devices. It is commonly used in audio systems and multimedia devices to convert analog audio signals to digital format and vice versa.

How Does AD1881A Work?

The AD1881A works by sampling analog audio signals and converting them into digital data using high-resolution analog-to-digital converters (ADCs). It also includes digital-to-analog converters (DACs) for converting digital audio data back to analog signals. The codec may feature integrated signal processing and interface circuitry for seamless integration into audio systems.

How Many Pins does AD1881A have and What are the Functions of the Pinout Configuration?

The AD1881A is housed in a specific package. Once you provide the package information, I can include the pinout configuration details.

What are the Pros and Cons of AD1881A?

Pros:

  • High Performance: Provides high-quality audio conversion with low distortion and noise.
  • Integration: May include additional signal processing and interface circuitry for system integration.
  • Flexibility: Can support various audio formats and sampling rates.
  • Industry Standard: Widely used and supported in the audio industry.

Cons:

  • Complexity: May require careful design considerations for optimal performance.
  • External Components: Additional components like amplifiers, filters, and voltage regulators may be needed for specific applications.

Are There Any Equivalents/Alternatives to AD1881A for Recommendation?

Once you provide any specific alternatives or equivalents to the AD1881A, I can include them here for comparison.

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