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PCM1803ADB from TI,Texas Instruments

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PCM1803ADB

Manufacturer: TI, BB

103dB SNR Stereo ADC with Single-Ended Inputs 20-SSOP -40 to 85

Partnumber Manufacturer Quantity Availability
PCM1803ADB TI, BB 150 In Stock

Description and Introduction

103dB SNR Stereo ADC with Single-Ended Inputs 20-SSOP -40 to 85 **Introduction to the PCM1803ADB Audio ADC**  

The PCM1803ADB is a high-performance, single-chip analog-to-digital converter (ADC) designed for professional and consumer audio applications. This component features a 24-bit resolution and supports sampling rates up to 96 kHz, delivering high-fidelity signal conversion for audio systems.  

Built with a delta-sigma modulator and digital decimation filter, the PCM1803ADB ensures low distortion and high signal-to-noise ratio (SNR), making it suitable for demanding audio environments such as recording equipment, mixers, and digital audio workstations. Its differential input structure minimizes noise interference, enhancing audio clarity.  

The device operates on a single 5V supply and includes an on-chip voltage reference, simplifying system design. It supports both master and slave clocking modes, offering flexibility in synchronization with external digital processors. Additionally, the PCM1803ADB complies with industry-standard audio formats, ensuring compatibility with a wide range of digital signal processors (DSPs) and microcontrollers.  

Engineers favor the PCM1803ADB for its balance of performance, ease of integration, and cost-effectiveness. Whether used in high-end audio interfaces or embedded systems, this ADC provides reliable, high-quality analog-to-digital conversion for superior sound reproduction.

Application Scenarios & Design Considerations

103dB SNR Stereo ADC with Single-Ended Inputs 20-SSOP -40 to 85

Alternative Part Number

  • CS5343-CZZ --: Stereo 24-bit audio ADC with similar serial audio interface and performance class, pin-compatible in many designs and a common drop-in alternative to the PCM1803A.
  • AK5720VT --: 24-bit stereo ADC with I2S output and comparable dynamic range, widely used as a functional replacement for TI PCM180x converters.
  • WM8782SEDS --: Stereo 24-bit ADC with similar supply and audio interface characteristics, suitable as an alternative when the PCM1803ADB is unavailable.
  • AK4556VT --: Stereo 24-bit audio ADC with similar I2S serial interface and small package, suitable drop-in functional replacement for audio capture designs.
  • CS5343-CZZ --: 24-bit stereo audio ADC with I2S output and single 3.3V supply, comparable performance and pin-compatible footprint for many PCM1803 applications.
  • WM8782SEDS --: Stereo 24-bit ADC with I2S interface and similar supply voltage range, offering equivalent audio conversion function as an alternative source.

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