ASAHI KASEI
[AK4644]
Ordering Guide
AK4644EN
AKD4644
−30 ∼
+85°C
32pin QFN (0.5mm pitch)
Evaluation board for AK4644
Pin Layout
TEST2
TEST1
MCKO
18
HVDD
HVSS
24
23
22
21
20
19
MUTET
ROUT / RCN
LOUT / RCP
MIN / LIN3
RIN2 / IN2−
LIN2 / IN2+
LIN1 / IN1−
RIN1 / IN1+
17
MCKI
HPR
HPL
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
16
15
14
DVSS
DVDD
BICK
LRCK
SDTO
SDTI
CDTI / SDA
CCLK / SCL
AK4644EN
Top View
13
12
11
10
9
MPWR
VCOM
AVDD
VCOC / RIN3
AVSS
Compatibility with AK4642EN
1. Function
Function
HP-Amp Max Output Power
SPK-Amp
Receiver-Amp
Analog Mixing for Playback
Input Selector for Recording
Mono Recording Mode
ALC Recovery Waiting Period
ALC Fast Recovery Speed
DSP Format
EXT Master Mode
DAC Group Delay
AK4642EN
62mW@3.3V
Yes
No
1 Mono
2 Stereo
No
128/fs
∼
1024/fs
4 times
No
No
22/fs
CSN / CAD0
AK4644
70mW@5V
No
Yes
3 Stereo
3 Stereo
Yes
128/fs
∼
16384/fs
4, 8 or 16 times
Yes
Yes
25/fs
MS0477-E-01
-3-
PDN
I2C
2006/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
