93dB SNR Stereo ADC with Single-Ended Inputs


Product details


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 open-in-new Find other Audio ADCs

Package | Pins | Size

SOIC (D) 14 52 mm² 8.65 x 6 open-in-new Find other Audio ADCs


  • Dual 16-Bit Monolithic ADC
  • Single-Ended Voltage Input
  • Antialiasing Filter Included
  • 64× Oversampling Decimation Filter:
    Pass-Band Ripple: ±0.05 dB
    Stop-Band Attenuation: -65 dB
  • Analog Performance:
    THD+N: -88 dB (typical)
    SNR: 93 dB (typical)
    Dynamic Range: 93 dB (typical)
    Internal High-Pass Filter
  • PCM Audio Interface: Left-Justified, I2S
  • Sampling Rate: 4 kHz to 48 kHz
  • System Clock: 256 fS, 384 fS, or 512 fS
  • Single 5-V Power Supply
  • Small SO-14 Package
    • DVD Recorders
    • DVD Receivers
    • AV Amplifier Receivers
    • Electric Musical Instruments

System Two, Audio Precision are trademarks of Audio Precision, Inc.
All other trademarks are the property of their respective owners.

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The PCM1801 is a low-cost, single-chip stereo analog-to-digital converter (ADC) with single-ended analog voltage inputs. The PCM1801 uses a delta-sigma modulator with 64 times oversampling, a digital decimation filter, and a serial interface that supports slave mode operation and two data formats. The PCM1801 is suitable for a wide variety of cost-sensitive consumer applications where good performance is required.

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Technical documentation

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Type Title Date
* Data sheet Single-Ended Analog-Input 16-Bit Stereo, Audio ADC datasheet (Rev. C) Jul. 10, 2007
Application note Dynamic Performance Testing of Digital Audio D/A Converters Oct. 02, 2000

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