Microcontrollers(639)

Smart Home Audio(325)

NAU88C14YG

DS_NAU88C14YG_BlockDiagram

 

NAU88C14YG is a cost effective and low power wideband MONO audio CODEC. It is designed for voice telephony related applications. Functions include 5-band Graphic Equalizer, Automatic Level Control (ALC) with noise gate, PGA, standard audio interface I2S, PCM with time slot assignment, and on-chip PLL.

NAU88C14YG provides one differential microphone input and one single ended auxiliary input (multi-purpose). There are variable gain control stages in the audio path. It also includes MONO line output and integrated BTL speaker driver.

Target Applications:

Wired/Wireless telephony
Security System
Mobile Telephone Hands-free Kit
Residential & Consumer Intercom

Key Features:

ADC Feature
  - SNR (A-weighted): 91dB @ 0dB gain
  - THD+N: -79dB @ 0dB gain
   
DAC Feature
  - Integrated Headset Driver 40mW (16Ω / 3.3V)
  - Integrated BTL Speaker Driver 1 W (8Ω / 5V)
  - SNR (A-weighted): 93dB @ 0dB gain
  - THD+N: -84dB @ RL=1Kohm
     
Audio Input
  - Digital Audio Interface: I2S / PCM Input
  - Integrated programmable Microphone Amplifier
  - Low Noise bias supply voltage for microphone
  - Sample rates: 2.5~48KHz
     
Advance/Control Feature
  - 5-band Graphic Equalizer
  - Programmable ALC
  - ADC Notch Filter
  - Programmable High Pass Filter
  - I2C Control Interface
     
Operating Characteristics
  - Voltage range(VDDB/C): 1.71V ~ 3.6V
  - Voltage range(VDDA): 2.5V ~ 3.6V
  - Temperature range: -40°C ~ 85°C
     
Package
  - QFN-24 (4x4mm)
   
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