NAU88L25YGB

The NAU88L25YGB is an ultra-low power high performance audio codec designed for headphone or headset application in smartphone, tablet PC, Chromebooks, laptop, game controller, Bluetooth headphones and other portable devices. It includes one I²S/PCM interface, one high quality stereo DACs, one mono ADC, a Class G stereo headphone amplifier, and industry leading advanced headset features.

NAU88L25YGB has powerful headset detection mechanism, which detects jack insertion / ejection, microphone presence, speaker impedance, and up-to 8 user defined buttons with long/short key press debouce circuit. It also supports headphone crosstalk detection/suppression, and automatic microphone & ground detection / switching to work automatically with different audio jack formats without using external chips or components.

Applications

• Gaming Controller
• Ultra-Portable Laptop
• Mobile Device
• Wireless Headset
• Smart Remote Controller

Key Features

• ADC Feature
  • SNR (A-weighted): 101dB @ 0dB Mic gain
  • THD+N: -91dB @ 0dB Mic gain
  • Dynamic Range Compressor
  • Programmable Biquad Filter
• DAC Feature
  • Class G Headphone Amplifier (28mW @ 32Ω, 1% THD+N)
  • DAC Volume Auto-Attenuation
  • SNR (A-weighted): 124dB @ 0dB gain, auto-mute enable
  • SNR (A-weighted): 113dB @ 0dB gain, without auto-mute
  • THD+N: -89dB @ 20mW, RL=32ohm
• Audio Input
  • Digital Audio Interface: I²S / PCM Input
  • Analog Input:
• 1 x Headset Mic
• 1 x Differential Analog Mic Input
• 1 x Line-in
• 2 x Single-Ended Input
• Sample rates: 8~192 kHz
• Advance/Control Feature
  • Headset Detection & Auto Headset switch for MIC and Ground
  • Jack Insertion and Ejection Detection
  • Distinct Keys Detection
  • I²C Control Interface
• Operating Characteristics
  • Voltage range(VDDC): 1.61V to 1.98V, SR>48KHz /FLL Enable
  • Voltage range(VDDC): 1.1 V to 1.98 V, SR<48KHz /FLL Disable
  • Temperature range: -40°C to 85°C
• Package
  • QFN-32 (5x5mm)

Technical Documents

• For more details, please visit Nuvoton Official Website: GO