AK4544A Datasheet, PDF (6/35 Pages) Asahi Kasei Microsystems – AC97 MULTIMEDIA AUDIO CODEC WITH SRC

[ASAHI KASEI]
Parameter
Power Supplies
Analog Power Supply Current(AVdd1 & AVdd2)
All ON mode(all PR_bits are 0)
Cold Reset status(Reset#=L, Vref is ON)
All OFF mode(all PR_bits are 1)
Digital Power Supply Current(DVdd1 & DVdd2)
All ON mode(all PR_bits are 0) at DVDD=5V
All ON mode(all PR_bits are 0) at DVDD=3.3V
All OFF mode(all PR_bits are 1)
[AK4544A]
min
typ
max
Units
41
62
mA
4.1
8
mA
0
0.2
mA
13.5
21
mA
7.5
11
mA
0
0.4
mA
Filter Characteristics
Ta=25°C,AVdd=5.0V±5%,DVdd=3.3V±5% , fs=48KHz(fixed)
Parameter
min
ADC Digital Filter (Decimation LPF)
Passband (±0.2dB)
Note)
0
Stopband
28.8
Stopband Attenuation
70
Group Delay
ADC Digital Filter (HPF)
Frequency Response; -3dB
-0.5dB
-0.1dB
DAC Digital Filter
Passband (±0.2dB)
0
Stopband
28.8
Group Delay
Stopband Rejection
70
DAC Post filter
Passband Frequency Response (0 - 19.2kHz)
Note) This frequency scales with the sampling frequency (fs).
typ
7.5
21
49
±0.1
Max
19.2
0.5
Units
kHz
kHz
dB
ms
Hz
19.2
kHz
kHz
0.5
ms
dB
dB
AK4544A DC Characteristics
Ta=-10∼70°C, VD=5V±5%(SEL_CMOS=L) or 3.3V±5%(SEL_CMOS=H: Open), VA=5V±5%, 50pF external load
Parameter
Symbol
min
typ
Max
Units
“H” level input voltage
XTAL_IN
RESET#, SYNC, SDATA_OUT, BIT_CLK
At SEL_CMOS=L(GND) : TTL
At SEL_CMOS=H(Open) : CMOS
ID0#, ID1#, SEL_CMOS(Pull up)
VIH
-
0.7xVD
2.2
0.7xVD
0.8xVD
-
V
V
V
V
“L” level input voltage
VIL
-
-
XTAL_IN
0.3xVD
V
RESET#, SYNC, SDATA_OUT, BIT_CLK
At SEL_CMOS=L(GND) : TTL
0.8
V
At SEL_CMOS=H(Open) : CMOS
0.3xVD
V
ID0#, ID1#, SEL_CMOS(Pull up)
0.2xVD
V
“H” level output voltage
Iout= -1mA
VOH
VD-0.55
-
-
V
“L” level output voltage
Iout= 1mA
VOL
-
-
0.55
V
Input leakage current(exclude pull up pins)
Pull up resistance
Iin
-
-
±10
µA
Rup
50
100
200
kΩ
<MS0026-E-00>
-6-
2000/04