AK4646EN AKM [Asahi Kasei Microsystems], AK4646EN Datasheet - Page 4

• Manufacturer Part Number: AK4646EN
• Description: Stereo CODEC with MIC/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

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1. Function
Note 1. ALC and Volume circuits are shared by input and output. Therefore, it is impossible to use ALC and Volume
MS0557-E-02
Function
AVDD
DVDD
Power Supply for SPK-Amp
Output Voltage of
MIC-Amp
HPF / LPF
Notch filter
ALC Recovery Operation
Waiting Period
Read of ALC Volume
Output Volume
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
EXT Master Mode
Master Clock frequency for
PLL Mode
MIC Power
Comparison with AK4642/AK4643
DSP Mode
function at same time for both recording and playback mode.
AK4642
2.6V ∼ 3.6V
2.6V ∼ 3.6V
2.6V ∼ 5.25V (HVDD)
0.75 x AVDD
0dB/+20dB/+26dB/+32dB
1 Step
No
128/fs ∼ 1024/fs
No
+12dB ∼ -115dB, 0.5dB Step
Yes
Yes
No
400mW@3.3V
1 Mono
2 Stereo
8.5Vpp@SVDD=5V
3-Wire(Write only), I2C-Bus
No
No
11.2896MHz, 12MHz, 12.288MHz, 13.5MHz
24MHz, 27MHz
AK4643
128/fs ∼ 16384/fs
No
Yes
1.2W@5V
2 Stereo
3 Stereo
Yes
Yes
- 4 -
AK4646
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
128/fs ∼ 16384/fs
Yes
+36dB ∼ -54dB, 0.375dB Step
(Note 1)
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
[AK4646]
2007/05