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PCM1803A from BB

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PCM1803A

Manufacturer: BB, TI

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

Partnumber Manufacturer Quantity Availability
PCM1803A BB, TI 26 In Stock

Description and Introduction

103dB SNR Stereo ADC with Single-Ended Inputs 20-SSOP -40 to 85 The **PCM1803A** is a high-performance, single-chip **analog-to-digital converter (ADC)** designed for audio applications. It features a **24-bit resolution** and supports sampling rates up to **96 kHz**, making it suitable for professional and consumer audio equipment, including digital mixers, audio interfaces, and home theater systems.  

This component integrates a **delta-sigma modulator** with **oversampling digital filtering**, ensuring high signal-to-noise ratio (SNR) and low distortion. The **PCM1803A** operates on a single **5V power supply**, simplifying system design while maintaining excellent audio fidelity.  

Key features include a **differential input** structure, which minimizes noise interference, and an **on-chip voltage reference** for stable performance. The **serial audio output** interface supports standard formats like **I²S and left-justified data**, ensuring compatibility with most digital signal processors (DSPs) and microcontrollers.  

With its **low power consumption** and compact footprint, the **PCM1803A** is an efficient solution for designers seeking high-quality audio digitization in space-constrained applications. Its robust performance and ease of integration make it a reliable choice for modern audio systems.  

For detailed specifications, refer to the official datasheet to ensure proper implementation in your design.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • CS5343 --: Stereo audio ADC with similar 24-bit performance and I2S output, pin-compatible in many designs and widely used as a PCM1803 replacement.
  • AK5720 --: 24-bit stereo ADC with I2S interface and comparable dynamic range, suitable drop-in alternative for audio capture applications.
  • ADC3101 --: Low-power stereo audio ADC with I2S output from the same vendor family, offering similar functionality and easy sourcing.
  • CS5343 --: Stereo 24-bit audio ADC with similar I2S serial interface and single 3.3V supply, a common drop-in alternative for PCM1803A in audio capture designs.
  • AK5720 --: 24-bit stereo ADC with I2S output and 3.3V operation, functionally comparable to PCM1803A and widely used in similar audio applications.
  • ADC3101 --: TI stereo audio ADC with I2S interface and flexible clocking, offering similar performance and easy migration within the TI audio converter family.

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