[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=3.3V
All OFF mode(all PR_bits are 1)
min
typ
max
[AK4545]
Units
38
3.7
0
6.9
0
57
8
0.2
11
0.4
mA
mA
mA
mA
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).
AK4545 DC Characteristics
Ta=-10∼70°C, VD= 3.3V±5%, VA=5V±5%, 50pF external load
Parameter
Symbol
min
H level input voltage
C-coupled
VIH
0.7xVD
(XTAL_IN)
direct
VIH
0.8xVD
L level input voltage
C-coupled
VIL
-
(XTAL_IN)
direct
VIL
H level input voltage
VIH
0.7xVD
(RESET#, SYNC, SDATA_OUT)
L level input voltage
VIL
-
( RESET#, SYNC, SDATA_OUT)
H level output voltage
Iout= -1mA
VOH
VD-0.55
L level output voltage
Iout= 1mA
VOL
-
Input leakage current(exclude pull up pins)
Iin
-
typ
Max
19.2
Units
kHz
kHz
dB
ms
Hz
0.5
7.5
21
49
19.2
0.5
kHz
kHz
ms
dB
dB
±0.1
typ
-
-
-
-
-
-
-
Max
-
0.3xVD
0.2xVD
-
0.3xVD
-
0.55
±10
Units
V
V
V
V
V
V
V
V
µA
MS0058-E-00
-6-
2000/11
AKM [ ASAHI KASEI MICROSYSTEMS ]
