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PCM1851A from TI/BB,Texas Instruments

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PCM1851A

Manufacturer: TI/BB, BB

101dB SNR Stereo ADC with 6x2 channel MUX and PGA

Partnumber Manufacturer Quantity Availability
PCM1851A TI/BB, BB 55 In Stock

Description and Introduction

101dB SNR Stereo ADC with 6x2 channel MUX and PGA The PCM1851A is a high-performance, single-channel analog-to-digital converter (ADC) designed for precision audio applications. This electronic component features a delta-sigma (ΔΣ) architecture, ensuring high-resolution signal conversion with low noise and distortion. With a sampling rate of up to 192 kHz and a dynamic range of 114 dB, the PCM1851A delivers exceptional audio fidelity, making it suitable for professional recording equipment, high-end audio interfaces, and broadcast systems.  

Key features of the PCM1851A include a built-in programmable gain amplifier (PGA), allowing for flexible input signal conditioning, and a digital high-pass filter to eliminate DC offset. Its low-power operation and compact form factor enhance its suitability for portable and space-constrained designs. The device supports both I2S and TDM (time-division multiplexing) output formats, ensuring compatibility with a wide range of digital signal processors (DSPs) and microcontrollers.  

Engineers and designers favor the PCM1851A for its robust performance, ease of integration, and advanced signal processing capabilities. Whether used in studio-grade audio equipment or embedded audio systems, this ADC provides reliable, high-quality conversion essential for demanding audio applications. Its combination of precision, efficiency, and versatility makes it a preferred choice in professional and consumer audio markets.

Application Scenarios & Design Considerations

101dB SNR Stereo ADC with 6x2 channel MUX and PGA

Alternative Part Number

  • AK4558 --: Stereo 24-bit audio ADC with similar I2S interface and small package, a common drop-in alternative for PCM1851A in audio capture designs.
  • CS5343 --: 24-bit stereo audio ADC with I2S output and low power consumption, functionally comparable to PCM1851A for consumer audio applications.
  • WM8782 --: Stereo audio ADC with I2S interface and similar performance class, suitable as a replacement when PCM1851A is unavailable.
  • AK4558 --: Stereo 24-bit audio ADC with similar I2S interface and small package, widely used as a drop-in functional replacement for PCM1851A in audio capture designs.
  • CS5343 --: 24-bit stereo audio ADC with I2S output and comparable performance, suitable alternative when PCM1851A is unavailable.
  • WM8782 --: Stereo audio ADC with I2S interface and similar sampling rates, offering a different series and pin-compatible-class functionality for audio input stages.

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