[AK4646EZ]
■
Comparison with AK4642/AK4643
1. Function
Function
AVDD
DVDD
Power Supply for SPK-Amp
Output Voltage of
MIC Power
MIC-Amp
HPF / LPF
Notch filter
ALC Recovery Operation
Waiting Period
Read of ALC Volume
Output Volume
AK4642
AK4643
2.6V
∼
3.6V
2.6V
∼
3.6V
2.6V
∼
5.25V (HVDD)
0.75 x AVDD
0dB/+20dB/+26dB/+32dB
1 Step
No
4 steps
8 steps
(128/fs
∼
1024/fs)
(128/fs
∼
16384/fs)
No
No
+12dB
∼
-115dB, 0.5dB Step
AK4646EZ
2.2V
∼
3.6V
1.6V
∼
3.6V
2.2V
∼
4.0V (SVDD)
0.8 x AVDD
0dB/+10dB/+17dB/+20dB/
+23dB/+26dB/+29dB/
+32dB
HPF : 2 Step, LPF : 1 Step
5 Band
8 steps
(128/fs
∼
16384/fs)
Yes
+36dB
∼
-54dB, 0.375dB Step
0dB
∼
-18dB, 6dB Step
No
No
No
400mW@3.3V
1 Mono
2 Stereo
6.33Vpp@SVDD=3.8V
3-Wire(Read/Write)
No
No
12MHz, 13.5MHz, 24MHz,
27MHz
32 pin QFN, 4mm x 4mm,
0.4mm pitch
Note 1. ALC and Volume circuits are shared by input and output. Therefore, it is impossible to use ALC and Volume
function at same time for both recording and playback mode.
Headphone-Amp
Bass Boost
Receiver-Amp
SPK-Amp Output Power
Analog Mixing
ADC Input Selector
SPK-Amp Maximum Output
Voltage for Piezo Speaker
μP
I/F
Audio I/F Format
DSP Mode
EXT Master Mode
Master Clock frequency for
PLL Mode
Package
Yes
Yes
No
400mW@3.3V
1 Mono
2 Stereo
8.5Vpp@SVDD=5V
Yes
1.2W@5V
2 Stereo
3 Stereo
3-Wire(Write only), I2C-Bus
No
Yes
No
Yes
11.2896MHz, 12MHz, 12.288MHz, 13.5MHz
24MHz, 27MHz
32 pin QFN, 5mm x 5mm, 0.5mm pitch
MS0630-E-00
-4-
2007/06
AKM [ ASAHI KASEI MICROSYSTEMS ]
