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PCM1801U
2-Channel Dual ADC Delta-Sigma 48ksps 16-bit Serial 14-Pin SOIC Tube
PCM1801U
2-Channel Dual ADC Delta-Sigma 48ksps 16-bit Serial 14-Pin SOIC Tube
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製造商零件號 # : PCM1801U
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包裝/封裝: SOIC-14
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製造商: Texas Instruments
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產品分類 : ADCs/DACs - Special Purpose
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PCM1801U 數據表
目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
Designed to operate at a supply voltage of 3.3 V, the PCM1801U is not only efficient but also reliable. Its low latency mode allows for real-time audio processing, ensuring minimal delay and delivering seamless audio performance. Equipped with integrated programmable gain amplifiers and digital filters, this ADC offers a comprehensive set of features for customization and optimization
主要特徵
- Advanced noise reduction and gating
- Precision delay and pitch shifting
- Real-time spectral analysis and display
- DSP-based audio processing algorithms
- Stereo or multi-channel audio support
- Compact and lightweight design
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。
| Number of ADC channels | 2 | Analog inputs | 2 |
| Digital audio interface | I2S, L | Control interface | H/W |
| Sampling rate (max) (kHz) | 48 | ADC SNR (typ) (dB) | 93 |
| Rating | Catalog | Analog outputs | 0 |
| Operating temperature range (°C) | -25 to 85 |
Specification Comparison
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。
常見問題解答
What is PCM1801U?
The PCM1801U is a stereo audio analog-to-digital converter (ADC) designed by Texas Instruments. It is specifically designed for high-performance audio applications that require high-resolution analog to digital conversion, such as professional audio recording systems, audio interfaces, and digital audio workstations.
How Does PCM1801U Work?
The PCM1801U works by converting analog audio signals into digital format with high resolution and accuracy. It utilizes a sigma-delta architecture combined with oversampling and noise shaping techniques to achieve high dynamic range and low distortion. The converter features a digital decimation filter to further enhance the audio quality.
How Many Pins does PCM1801U have and What are the Functions of the Pinout Configuration?
The PCM1801U is housed in a 28-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- DOUTL, DOUTR: Digital audio output pins for the left and right channels.
- FS, BICK, DIF, LRCK: Serial interface control pins for audio data transfer.
- AVDD, DVDD: Analog and digital power supply pins, respectively.
- AVSS, DVSS: Analog and digital ground pins, respectively.
- RESET: Reset pin for internal control.
- BYPASS: Bypass pin for external digital filter selection.
What are the Pros and Cons of PCM1801U?
Pros:
- High Performance: Provides high-resolution audio conversion with low distortion and high dynamic range.
- Flexible Interface: Supports standard audio serial interface for easy integration into digital audio systems.
- Low Latency: Enables low-latency audio processing suitable for real-time applications.
- Internal Voltage Reference: Includes an internal voltage reference for simplified system design.
- Programmable Functions: Allows configuration of various parameters such as digital filter settings.
Cons:
- Complexity: Requires careful consideration of layout and grounding for optimal audio performance.
- External Components: May require external components such as digital filters or amplifiers for specific audio applications.
Are There Any Equivalents/Alternatives to PCM1801U for Recommendation?
- The PCM1802 from Texas Instruments is a similar stereo audio ADC with additional features.
- Alternatives to the PCM1801U include the CS5381 from Cirrus Logic and the AK5397 from AKM Semiconductor.
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