ASAHI KASEI
[AK4644]
Ordering Guide
AK4644EN
AKD4644
−30 ∼ +85°C
Evaluation board for AK4644
32pin QFN (0.5mm pitch)
Pin Layout
MUTET
DVSS
25
26
27
28
29
30
31
32
16
15
14
13
12
11
10
9
ROUT / RCN
LOUT / RCP
MIN / LIN3
DVDD
BICK
AK4644EN
LRCK
Top View
SDTO
RIN2 / IN2−
LIN2 / IN2+
SDTI
CDTI / SDA
CCLK / SCL
LIN1 / IN1−
RIN1 / IN1+
Compatibility with AK4642EN
1. Function
Function
HP-Amp Max Output Power
SPK-Amp
AK4642EN
62mW@3.3V
Yes
AK4644
70mW@5V
No
Receiver-Amp
No
Yes
Analog Mixing for Playback
Input Selector for Recording
Mono Recording Mode
ALC Recovery Waiting Period
ALC Fast Recovery Speed
DSP Format
1 Mono
2 Stereo
No
128/fs ∼ 1024/fs
4 times
No
3 Stereo
3 Stereo
Yes
128/fs ∼ 16384/fs
4, 8 or 16 times
Yes
EXT Master Mode
DAC Group Delay
No
22/fs
Yes
25/fs
MS0477-E-01
2006/10
- 3 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
