ASAHI KASEI
CODEC
* The receive and transmit op-amp’s characteristics are measured at the 0dB gain.
The frequency specifications when FS deviation from 8kHz are as follows:
AK2301A
Used
FS
×
noted frequency specification = Effective frequency specification
8k[Hz]
Absolute Gain
Parameter
Conditions
Analog input level
VFTP,VFTN 0dBm0@1020Hz input
→
Absolute transmit gain
DX
Maximum overload level
3.14dBm0
Analog output level
0dBm0@1020Hz input
DR
→
Absolute receive gain
VR
Maximum overload level
3.14dBm0
Frequency response
Parameter
Conditions
Transmit frequency response Relative to:
0.05kHz
0dBm0@1020Hz
(A→D)
0.06kHz
0.2kHz
VFTP,VFTN
→
DX
0.3�½�3.0kHz
3.4kHz
4.0kHz
Receive frequency response Relative to:
0�½�3.0kHz
0dBm0@1020Hz
(D→A)
3.4kHz
DR
→
VR
4.0kHz
Distortion
Parameter
Transmit signal to Distortion
(A→D)
VFTP,VFTN
→
DX
Receive signal to Distortion
(D→A)
DR
→
VR
Condtions
1020Hz Tone
0dBm0
C-message
1020Hz Tone
0dBm0
C-message
70
75
-
dB
70
75
-
dB
Min
Typ
Max
Unit
Min
-
-0.6
-
-
-0.6
-
Typ
0.531
-
0.762
0.531
-
0.762
Max
-
0.6
-
-
0.6
-
Unit
Vrms
dB
Vrms
Vrms
dB
Vrms
Min
30
26
0
-0.15
0
14
-0.15
0
14
Typ
-
-
-
-
-
-
-
-
-
Max
-
-
1.8
0.15
0.8
-
0.15
0.8
-
Unit
dB
dB
<MS0300-E-00>
8
2004/3