參數(shù)資料
型號(hào): AK2307LV
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: SPEECH CODEC for Digital Key telephone (5.0V/3.3V)
中文描述: 語音編解碼器的數(shù)字按鍵電話(5.0V/3.3V)
文件頁數(shù): 31/39頁
文件大小: 468K
代理商: AK2307LV
ASAHI KASEI [AK2307/LV]
CODEC
Absolute Gain
(AK2307:VDD=5.0V +/-5%, AK2307LV:VDD=3.3V +/-0.3V )
Parameter
Conditions
Analog Input Level
HANDT4 to DX
MIC3 to DX
1020Hz 0dBm0 input
Analog Output Level
DR to DAOUT
1020Hz 0dBm0 input
MS0190-E-05
2005/12
31
Min
Typ
0.101
0.162
-
0.482
0.771
-
0.694
1.107
Max
Units
Vrms
AK2307LV
AK2307
u/A-law
AK2307LV
AK2307
u/A-law
AK2307LV
AK2307
-1.5
-1.5
Absolute Transmit Gain
+1.5 dB
Vrms
Absolute Receive Gain
Maximum Overload Level DR to DAOUT
+1.5 dB
+3.14dBm0 input
Vrms
Gain Tracking
Parameter
Conditions
Min
Typ
-
-
-
-
-
-
Max
0.9
0.6
0.4
0.9
0.6
0.4
Units
Transmit Gain Tracking Error
( A to D )
Receive Gain Tracking Error
( D to A )
The characteristics from MIC3 to DR path is guaranteed by the design.
Frequency Response
Parameter
Transmit Frequency Response Relative to:
( A to D )
0dBm0@1020Hz 0.2kHz
HANDT4 to DX
MIC3 to DX
Receive Frequency Response
Relative to:
( D to A )
0dBm0@1020Hz 3.4kHz
DR to DAOUT
Distortion
Parameter
Transmit Signal to Distortion
1020Hz Tone
( D to A )
HANDT4 to DX
MIC3 to DX
Receive Signal to Distortion
1020Hz Tone
( A to D )
DR to DAOUT
Note) C-message Weighted for u-Law, Psophometric Weighted for A-Law
Note) The characteristics from MIC3 to DR path is guaranteed by the design.
Reference Level: -51dBm0 ~-46dBm0 -0.9
-10dBm0
-46dBm0 ~-36dBm0 -0.6
1020Hz Tone
-36dBm0 ~ 0dBm0
Reference Level: -51dBm0 ~-46dBm0 -0.9
-10dBm0
-46dBm0 ~-36dBm0 -0.6
1020Hz Tone
-36dBm0 ~ 0dBm0
dB
dB
-0.4
-0.4
Conditions
0.06kHz
Min
24
Typ
-
-
-
-
-
Max
-
2.5
0.3
0.8
Units
dB
dB
0
0.3 ~3.0kHz
3.4kHz
3.78kHz
0.3K ~3.0kHz
-0.3
0
6.5
-0.3 -
0
6.5
-
0.3
-
-
0.8
3.78kHz
-
Conditions
-36dBm0 ~-41dBm0 24
-26dBm0 ~-36dBm0 29
0dBm0 ~-26dBm0
Min
Typ
-
-
-
Max
-
-
-
Units
dB
35
-36dBm0 ~-41dBm0 24
-26dBm0 ~-36dBm0 29
0dBm0 ~-26dBm0
-
-
-
-
-
-
dB
35
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