AK4649 Overview
Key Specifications
Operating Voltage: 3.3 V
Length: 5 mm
Width: 5 mm
Max Operating Temp: 85 °C
Description
The AK4649 features a stereo CODEC with a built-in Microphone-Amplifier and Speaker-Amplifier. Input circuits include a Microphone-Amplifier and an ALC (Automatic Level Control) circuit, and Output circuits include a Speaker-Amplifier.
Key Features
- Stereo Single-ended input with two Selector
- MIC Amplifier (+29dB/+26dB/+23dB/+20dB/+16dB/+12dB/+9dB/+6dB/+3dB/0dB)
- Digital ALC (Automatic Level Control)
- Setting Range: +36dB ∼ -54dB, 0.375dB Step
- Noise Suppression
- ADC Performance: S/(N+D): 80dB, DR, S/N: 89dB (MIC-Amp=+20dB, AVDD=3.3V) S/(N+D): 80dB, DR, S/N: 100dB (MIC-Amp=0dB, AVDD=3.3V)
- Wind-noise Reduction Filter
- 5 Band Notch Filter
- Stereo Separation Emphasis
- Digital MIC Interface
