ASAHI KASEI
AKM CONFIDENTIAL
[AK4366]
= Preliminary =
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 “click-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
o
Multi-bit
∆Σ
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
- I
2
S, 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 @16Ω, 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
REV 0.6
-1-
2003/3
AKM [ ASAHI KASEI MICROSYSTEMS ]
