[AK4649]
■
Comparison with AK4646/AK4649
1. Function
Function
Resolution
AVDD
DVDD
SVDD
ADC DR, S/N
DAC S/N
Power Supply Current
(PLL Master, All Power-Up)
Output Voltage of MIC Power
Input Level
Output Level (line out)
MIC-Amp
HPF with ADC (HPF1)
Notch Filter
ALC Noise Suppression
Programmable Filter Bypass
Mode
Digital MIC I/F
Output Volume
AK4646
16bit
2.2V
∼
3.6V
1.6V
∼
3.6V
2.2V
∼
4.0V
86dB @ MGAIN = 20dB
95dB @ MGAIN = 0dB
92dB
AVDD+DVDD: typ. 15mA
0.8 x AVDD
typ. 0.636 x AVDD @ MIC Gain=0dB
typ. 0.6 x AVDD @LOVL=0dB
0dB/+10dB/+17dB/+20dB/+23dB/
+26dB/+29dB/+32dB
Programmable
5 Step
No
No
AK4649
24bit
2.4V
∼
3.6V
←
2.4V
∼
3.6V
89dB @ MGAIN = 20dB
100dB @ MGAIN = 0dB
97dB
AVDD+DVDD: typ. 12.5mA
←
typ. 0.7 x AVDD @ MIC Gain=0dB
typ. 0.7 x AVDD @LOVL=0dB
0dB/+3dB/+6dB/+9dB/+12dB/
+16dB/+20dB/+23dB/+26dB/+29dB
4 values
(fc = 3.4Hz/13.6Hz/108.8Hz/217.6Hz
@ fs=44.1kHz)
5 Step (4 Step + 1 Step)
Yes
Yes
EN: 32QFN (5x5mm, 0.5mm pitch)
EZ: 32QFN (4x4mm, 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 the same time for both recording and playback mode.
MIN Input Gain Setting
MIN Feedback Resistance
Piezo Speaker Support
μP
I/F
Audio I/F
DAC 24 bit LSB justified
Master Clock frequency for
PLL Mode
Package
No
Yes
+36dB
∼
-54dB, 0.375dB Step(Note
1)
+36dB
∼
-54dB, 0.375dB Step (Note
1)
&
& 0dB
∼
-18dB, 6dB Step
0dB
∼
-18dB, 6dB Step &
+0dB
∼
-48.13dB, 256 Linear Step
External Resistor
External Resistor/Internal VOL
typ. 20kΩ
typ. 33kΩ
Yes
No
3-Wire Serial (Write/Read)
3-Wire Serial (Write/Read) + I
2
C
No
Yes
12MHz, 13.5MHz, 24MHz, 27MHz
11.2896MHz, 12MHz, 13.5MHz,
24MHz, 27MHz
29 pin CSP (3x3.3mm, 0.5mm pitch)
MS1023-E-01
-4-
2010/08
AKM [ ASAHI KASEI MICROSYSTEMS ]
