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PCM3052A

ACTIVE

24-bit Stereo Audio Codec with Mic amp, Bias, MUX and PGA

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Data sheet

PCM3052A

ACTIVE
Data sheet Order now

Product details

Number of ADC channels 2 Number of DAC channels 2 Digital audio interface I2S Analog inputs 2 Analog outputs 2 Sampling rate (max) (kHz) 96 Rating Catalog ADC SNR (typ) (dB) 101 DAC SNR (typ) (dB) 105 Operating temperature range (°C) -40 to 85
Number of ADC channels 2 Number of DAC channels 2 Digital audio interface I2S Analog inputs 2 Analog outputs 2 Sampling rate (max) (kHz) 96 Rating Catalog ADC SNR (typ) (dB) 101 DAC SNR (typ) (dB) 105 Operating temperature range (°C) -40 to 85
VQFNP (RTF) 32 32.24 mm² 6.2 x 5.2
  • Microphone Amplifier and Bias
    • Monaural Microphone Amplifier: 34-dB Gain at Differential Input
    • Microphone Bias: 1 mA at 3.75 V
  • Multiplexer and PGA
    • Multiplex of Stereo Single-Ended Line Inputs and Monaural Microphone Amplifier
    • 0.1 Vrms to 1.5 Vrms Full-Scale Input Range
    • 22-k Input Resistance at 0.1-Vrms Input
    • 20 dB to -4 dB/range, 1 dB/step PGA
  • Reference Output: ±10 mA at 2.5 V
  • 24-Bit Delta-Sigma ADC and DAC
  • Stereo ADC:
    • Full-Scale Input: 3 Vp-p
    • Antialiasing Filter Included
    • 1/64 Decimation Filter:
        Pass-Band Ripple: ±0.05 dB
        Stop-Band Attenuation: -65 dB
    • On-Chip High-Pass Filter: 0.91 Hz at fS = 48 kHz
    • High Performance:
        THD+N: -94 dB (Typical)
        SNR: 101 dB (Typical)
        Dynamic Range: 101 dB (Typical)
  • Stereo DAC:
    • Single-Ended Voltage Output: 4 Vp-p
    • Analog Low-Pass Filter Included
    • ×8 Oversampling Digital Filter:
        Pass-Band Ripple: ±0.03 dB
        Stop-Band Attenuation: -50 dB
    • High Performance:
        THD+N: -97 dB (Typical)
        SNR: 105 dB (Typical
        Dynamic Range: 104 dB (Typical)
  • S/PDIF Output for DAC Digital Input
  • Multiple Functions With I2C Interface:
    • Digital De-Emphasis: 32-, 44.1-, 48-kHz
    • Zipper-Noise-Free Digital Attenuation and Soft Mute for DAC
    • HPF Bypass Control for ADC
    • S/PDIF Output Control
    • Power Down: ADC/DAC Independently
  • External Power-Down Pin:
    • ADC/DAC Simultaneously
  • Audio Data Format: 24-Bit I2S Only
  • Sampling Rate:
    • 16-96 kHz for Both ADC and DAC
  • System Clock: 256 fS Only
  • Dual Power Supplies:
    • 5 V for Analog and 3.3 V for Digital
  • Package: VQFN-32

System Two, Audio Precision are trademarks of Audio Precision, Inc.
All trademarks are the property of their respective owners.
  • Microphone Amplifier and Bias
    • Monaural Microphone Amplifier: 34-dB Gain at Differential Input
    • Microphone Bias: 1 mA at 3.75 V
  • Multiplexer and PGA
    • Multiplex of Stereo Single-Ended Line Inputs and Monaural Microphone Amplifier
    • 0.1 Vrms to 1.5 Vrms Full-Scale Input Range
    • 22-k Input Resistance at 0.1-Vrms Input
    • 20 dB to -4 dB/range, 1 dB/step PGA
  • Reference Output: ±10 mA at 2.5 V
  • 24-Bit Delta-Sigma ADC and DAC
  • Stereo ADC:
    • Full-Scale Input: 3 Vp-p
    • Antialiasing Filter Included
    • 1/64 Decimation Filter:
        Pass-Band Ripple: ±0.05 dB
        Stop-Band Attenuation: -65 dB
    • On-Chip High-Pass Filter: 0.91 Hz at fS = 48 kHz
    • High Performance:
        THD+N: -94 dB (Typical)
        SNR: 101 dB (Typical)
        Dynamic Range: 101 dB (Typical)
  • Stereo DAC:
    • Single-Ended Voltage Output: 4 Vp-p
    • Analog Low-Pass Filter Included
    • ×8 Oversampling Digital Filter:
        Pass-Band Ripple: ±0.03 dB
        Stop-Band Attenuation: -50 dB
    • High Performance:
        THD+N: -97 dB (Typical)
        SNR: 105 dB (Typical
        Dynamic Range: 104 dB (Typical)
  • S/PDIF Output for DAC Digital Input
  • Multiple Functions With I2C Interface:
    • Digital De-Emphasis: 32-, 44.1-, 48-kHz
    • Zipper-Noise-Free Digital Attenuation and Soft Mute for DAC
    • HPF Bypass Control for ADC
    • S/PDIF Output Control
    • Power Down: ADC/DAC Independently
  • External Power-Down Pin:
    • ADC/DAC Simultaneously
  • Audio Data Format: 24-Bit I2S Only
  • Sampling Rate:
    • 16-96 kHz for Both ADC and DAC
  • System Clock: 256 fS Only
  • Dual Power Supplies:
    • 5 V for Analog and 3.3 V for Digital
  • Package: VQFN-32

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

The PCM3052A is a low-cost, single-chip, 24-bit stereo audio codec (ADC and DAC) with single-ended analog voltage input and output. It also has an analog front end consisting of a 34-dB microphone amplifier, microphone bias generator, 2 stereo multiplexers, and a wide-range PGA. Analog- to-digital converters (ADCs) employ delta-sigma modulation with 64-times oversampling. On the other hand, digital-to-analog converters (DACs) employ modulation with 64- and 128-times oversampling. ADCs include a digital decimation filter with a high-pass filter, and DACs include an 8-times oversampling digital interpolation filter. The PCM3052A has many functions which are controlled using the I2C interface: DAC digital de-emphasis, digital attenuation, soft mute etc. The PCM3052A also has an S/PDIF output pin for the DAC digital input. The power-down mode, which works on ADCs and DACs simultaneously, is provided by an external pin. The PCM3052A is suitable for a wide variety of cost-sensitive PC audio (recorder and player) applications where good performance is required. The PCM3052A is fabricated using a highly advanced CMOS process and is available in a small 32-pin VQFN package.

The PCM3052A is a low-cost, single-chip, 24-bit stereo audio codec (ADC and DAC) with single-ended analog voltage input and output. It also has an analog front end consisting of a 34-dB microphone amplifier, microphone bias generator, 2 stereo multiplexers, and a wide-range PGA. Analog- to-digital converters (ADCs) employ delta-sigma modulation with 64-times oversampling. On the other hand, digital-to-analog converters (DACs) employ modulation with 64- and 128-times oversampling. ADCs include a digital decimation filter with a high-pass filter, and DACs include an 8-times oversampling digital interpolation filter. The PCM3052A has many functions which are controlled using the I2C interface: DAC digital de-emphasis, digital attenuation, soft mute etc. The PCM3052A also has an S/PDIF output pin for the DAC digital input. The power-down mode, which works on ADCs and DACs simultaneously, is provided by an external pin. The PCM3052A is suitable for a wide variety of cost-sensitive PC audio (recorder and player) applications where good performance is required. The PCM3052A is fabricated using a highly advanced CMOS process and is available in a small 32-pin VQFN package.
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* Data sheet 24-Bit 96-kHz Stereo Audio CODEC w/Microphone Amp, Bias, Multiplexer & PGA datasheet 10 Nov 2005

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