Audio CODECs



Stereo ADC


All ICs are RoHS compliant.

* Status: P - mass production, S - samples, UD - under development, N - not recommended for new design.

Chip Description Supply
  voltage  
[V]
Sampling
frequency
 (bandwidth) 
Operating
temperature
[°C]
   Package   Status *
NAU8501Stereo ADC:
  • 24-bit signal processing
  • SNR ≥ 90 dB and THD ≤ -80 dB
  • notch filter and programmable high pass filter
  • automatic level control (ALC) with audio level limiter
  • programmable PLL
  • stereo line input
  • stereo differential microphone amplifier
  • input mixer for analog signals
  • stereo line output
  • I2S and µ-Law/A-Law PCM audio interfaces
  • 2/3/4-wire control interface (I2C or SPI)
  • 5-band equalizer
  • 3-D stereo enhancement
Analog: 2.5 – 3.6
Digital: 1.65 – 3.6
8 - 48 kHz QFN-32P
NAU8502Stereo ADC:
  • 24-bit signal processing
  • SNR ≥ 90 dB and THD ≤ -80 dB
  • notch filter and programmable high pass filter
  • automatic level control (ALC) with audio level limiter
  • programmable PLL
  • stereo line input
  • stereo differential microphone amplifier
  • input mixer for analog signals
  • stereo line output
  • I2S and µ-Law/A-Law PCM audio interfaces
  • 2/3/4-wire control interface (I2C or SPI)
  • 5-band equalizer
  • 3-D stereo enhancement
  • integrated LDO
Analog: 2.5 – 3.6
Digital: 1.65 – 3.6
8 - 48 kHz-40 – +85QFN-32P
NAU85L40Quad ultra low power ADC:
  • 24-bit signal processing
  • SNR ≥ 101 dB and THD ≤ -90 dB
  • notch filter and programmable high pass filter
  • automatic level control (ALC) with audio level limiter
  • programmable FLL (Frequency Locked Loop)
  • four differential microphone amplifiers
  • I2S and µ-Law/A-Law PCM audio interfaces
  • I2C control interface
Analog: 1.62 – 1.98
Digital: 1.2 – 1.98
8 - 48 kHz-40 – +85QFN-28P


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