GENERAL DESCRIPTION

The AK4366 is 24bit DAC with built-in Headphone Amplifier. The integrated headphone amplifier features “click-free” power-on/off, a mute control and delivers 50mW of power at 16W. The AK4366 is housed in a 16pin TSSOP package, making it suitable for portable applications.

FEATURE

o Multi-bit DS DAC

o Sampling Rate: 8kHz~48kHz

o 64x Oversampling

o On chip perfect filtering 8 times FIR interpolator

   - Passband: 20kHz

   - Passband Ripple: ±0.02dB

   - Stopband Attenuation: 54dB

o Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz

o System Clock: 256fs/384fs/512fs

   - Input Level: CMOS or 0.4Vpp Analog Input

o Audio I/F Format: MSB First, 2’s Compliment

   - I2S, 24bit MSB justified, 24bit/20bit/16bit LSB justified

o µP Interface: 3-wire

o Bass Boost Function

o Headphone Amplifier

   - Output Power: 50mW x 2ch @16W, 3.3V

   - S/N: 92dB@2.4V

   - Click Noise Free at Power-ON/OFF and Mute

o Power Supply: 2,2V ~ 3.6V

o Power Supply Current: 2.6mA@2.4V (@HP-AMP no-input)

o Ta: -40 ~ 85°C

o Small Package: 16pin TSSOP