參數(shù)資料
型號: AK5355VT
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: LOW POWER 16BIT ADC
中文描述: 低功耗16位ADC
文件頁數(shù): 5/14頁
文件大小: 120K
代理商: AK5355VT
ASAHI KASEI
[AK5355]
MS0113-E-00
2001/08
- 5 -
FILTER CHARACTERISTICS
(Ta=25
°
C; VA, VD=2.1
3.6V; fs=44.1kHz)
Parameter
ADC Digital Filter (Decimation LPF):
Passband (Note 5)
Symbol
min
typ
max
Units
±
0.1dB
-1.0dB
-3.0dB
PB
0
20.0
21.1
17.4
kHz
kHz
kHz
kHz
dB
dB
1/fs
μ
s
Stopband (Note 5)
Passband Ripple
Stopband Attenuation
Group Delay (Note 6)
Group Delay Distortion
ADC Digital Filter (HPF):
Frequency Response (Note 5)
SB
PR
SA
GD
GD
27.0
±
0.1
65
17.0
0
-3dB
-0.5dB
-0.1dB
FR
3.4
10
22
Hz
Hz
Hz
Note 5. The passband and stopband frequencies scale with fs (sampling frequency).
For examples, PB=0.454 x fs(@ADC: -1.0dB).
Note 6. The calculated delay time caused by digital filtering. This time is from the input of an analog signal to setting the
16bit data of both channels to the output register of the ADC and includes the group delay of the HPF.
DC CHARACTERISTICS
(Ta=25
°
C; VA, VD=2.1
3.6V)
Parameter
High-Level Input Voltage (Except for TST1 pin)
Low-Level Input Voltage (Except for TST1 pin)
High-Level Output Voltage (Iout=-80
μ
A)
Low-Level Output Voltage (Iout=80
μ
A)
Input Leakage Current (Note 7)
Note 7. TST1 pin is pulled-down internally (typ. 100k
)
Symbol
VIH
VIL
VOH
VOL
Iin
min
typ
-
-
-
max
-
25
%
VD
-
0.4
±
10
Units
V
V
V
V
μ
A
75
%
VD
-
VD-0.4
-
-
-
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