ASAHI KASEI
[AK4366]
AK4366
Low Power 24-Bit 2ch DAC with HP-AMP
GENERAL DESCRIPTION
The AK4366 is 24bit DAC with built-in Headphone Amplifier. The integrated headphone amplifier features
“pop-free” power-on/off, a mute control and delivers 50mW of power at 16Ω. The AK4366 is housed in a
16pin TSSOP package, making it suitable for portable applications.
FEATURE
Multi-bit
∆Σ
DAC
Sampling Rate: 8kHz∼48kHz
64x Oversampling
On chip perfect filtering 8 times FIR interpolator
- Passband: 20kHz
- Passband Ripple:
±0.02dB
- Stopband Attenuation: 54dB
Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz
System Clock: 256fs/384fs/512fs
- AC Couple Input Available
Audio I/F Format: MSB First, 2’s Compliment
- I
2
S, 24bit MSB justified, 24bit/20bit/16bit LSB justified
µP Interface: 3-wire
Bass Boost Function
Headphone Amplifier
- Output Power: 50mW x 2ch @16Ω, 3.3V
- S/N: 92dB@2.4V
- Pop noise Free at Power-ON/OFF and Mute
Power Supply: 2.2V
∼
3.6V
Power Supply Current: 2.6mA@2.4V (@HP-AMP no-output)
Ta:
−
40
∼
85°C
Small Package: 16pin TSSOP
MS0248-E-01
-1-
2004/03
AKM [ ASAHI KASEI MICROSYSTEMS ]
