Audio CODECs

Stereo Codecs


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 *
NAU8820
 (1343 kB) 		Linear stereo audio CODEC:
  • double ADC and DAC inside
  • 24-bit signal processing
  • SNR:
    ADC: ≥ 90 dB, DAC: ≥ 94 dB
  • THD:
    ADC: ≤ -80 dB, DAC: ≤ -84 dB
  • ADC notch filter and programmable high pass filter
  • automatic level control (ALC) with audio level limiter
  • programmable PLL
  • programmable stereo microphone amplifier
  • line inputs and outputs
  • 2 mixers for analog input and output signals
  • stereo headset driver
  • 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 -40 – +85 QFN-32 P
NAU8822L
 (2612 kB) 		Linear stereo audio CODEC:
  • double ADC and DAC inside
  • 24-bit signal processing
  • SNR:
    ADC: ≥ 90 dB, DAC: ≥ 94 dB
  • THD:
    ADC: ≤ -80 dB, DAC: ≤ -84 dB
  • ADC notch filter and programmable high pass filter
  • automatic level control (ALC) with audio level limiter
  • programmable PLL
  • programmable stereo microphone amplifier
  • line inputs and outputs
  • 2 mixers for analog input and output signals
  • stereo BTL speaker driver and stereo headset driver
  • 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 - 192 kHz -40 – +85 QFN-32 P
NAU88C22
 (2655 kB) 		Linear stereo audio CODEC, cost down version of NAU8822:
  • double ADC and DAC inside
  • 24-bit signal processing
  • SNR:
    ADC: ≥ 89 dB, DAC: ≥ 89 dB
  • THD:
    ADC: ≤ -78 dB, DAC: ≤ -84 dB
  • ADC notch filter and programmable high pass filter
  • automatic level control (ALC) with audio level limiter
  • programmable PLL
  • programmable stereo microphone amplifier
  • line inputs and outputs
  • 2 mixers for analog input and output signals
  • stereo BTL speaker driver and stereo headset driver
  • 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 - 192 kHz -40 – +85 QFN-32 P
NAU88L24 Ultra low power linear stereo audio CODEC:
  • double ADC and DAC inside
  • SNR:
    ADC: ≥ 100 dB, DAC: ≥ 103 dB
  • THD:
    ADC: ≤ -77 dB, DAC: ≤ -85 dB
  • Dynamic Range Compressor (DRC)
  • one stereo differential microphone amplifier and two stereo single-ended microphone amplifiers
  • line inputs and outputs
  • digital mixer
  • stereo Class-D speaker driver
  • stereo Class-G headphone amplifier
  • I2S, µ-Law/A-Law PCM and TDM audio interfaces
  • 2-wire control interface
  • 5-band equalizer
 Analog: 1.6 – 2.0
Digital: 1.1 – 1.98		 8 - 96 kHz -40 – +85 QFN-48 P
NAU88L25 Ultra low power linear stereo audio CODEC:
  • single mono ADC and single stereo DAC inside
  • SNR:
    ADC: 101 dB, DAC: 113 dB
  • THD:
    ADC: -91 dB, DAC: -89 dB
  • Dynamic Range Compressor (DRC)
  • one stereo differential microphone amplifier and two stereo single-ended microphone amplifiers
  • one headset microphone input
  • line input
  • stereo Class-G headphone amplifier with headset detection
  • I2S and µ-Law/A-Law PCM audio interfaces
  • jack insertion and ejection detection
   8 - 192 kHz   QFN-32
WLCSP-42 (optional)		 P