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AK2300 Datasheet, PDF (9/19 Pages) Asahi Kasei Microsystems – 3.3V Single channel PCM CODEC LSI | |||
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CODEC
[AK2300]
* The AMPT characteristics is measured at the 0dB gain.
The frequency specifications when FS deviation from 8kHz are as follows:
UsedFS ´ noted frequency specification = Effective frequency specification
8k[Hz]
Absolute Gain
Parameter
Conditions
min
typ
Analog input level
Absolute transmit gain
Maximum overload level
VFTN
â
DX
0dBm0@1020Hz input
3.14dBm0
0.460
-0.6
ï¼
0.660
Analog output level
Absolute receive gain
Maximum overload level
DR
0dBm0@1020Hz input
0.460
â
-0.6
ï¼
VR
3.14dBm0
0.660
max
0.6
0.6
Unit
Vrms
dB
Vrms
Vrms
dB
Vrms
Frequency response
Parameter
Transmit frequency response
ï¼ï¼¡âDï¼
VFTN â DX
Receive frequency response
ï¼ï¼¤âAï¼
DR â VR
Relative to:
-10dBm0
1020Hz Tone
Relative to:
-10dBm0
1020Hz Tone
Conditions
-55dBm0ï½-50dBm0
-50dBm0ï½-40dBm0
-40dBm0ï½ 3dBm0
-55dBm0ï½-50dBm0
-50dBm0ï½-40dBm0
-40dBm0ï½ 3dBm0
min Typ max Unit
-1.2 ï¼ 1.2
-0.4 ï¼ 0.4
dB
-0.2 ï¼ 0.2
-1.2 ï¼ 1.2
-0.4 ï¼ 0.4
dB
-0.2 ï¼ 0.2
Frequency response
Parameter
Transmit Frequency response
ï¼ï¼¡âDï¼
VFTN â DX
Receive Frequency response
ï¼ï¼¤âAï¼
DR â VR
Conditions
Relative to:
0.05kHz
0dBm0@1020Hz 0.06kHz
0.2kHz
0.3ï½3.0kHz
3.4kHz
4.0kHz
Relative to:
0ï½3.0kHz
0dBm0@1020Hz 3.4kHz
4.0kHz
min typ max Unit
ï¼
ï¼ -30
ï¼
ï¼ -26
-1.8 ï¼
0
-0.15 ï¼ 0.15 dB
-0.8 ï¼
0
ï¼
ï¼ -14
-0.15 ï¼ 0.15
-0.8 ï¼
0
dB
ï¼
ï¼ -14
Distortion (A-law, m-law)
Parameter
Conditions
min typ max Unit
Transmit signal to Distortion 1020Hz Tone
-40dBm0ï½-45dBm0 25 ï¼
ï¼
ï¼ï¼¡âDï¼
-30dBm0ï½-40dBm0 30
ï¼
ï¼
dB
VFTN â DX
0dBm0ï½-30dBm0
36
ï¼
ï¼
Receive signal to Distortion 1020Hz Tone
-40dBm0ï½-45dBm0 25 ï¼
ï¼
ï¼ï¼¤âAï¼
-30dBm0ï½-40dBm0 30
ï¼
ï¼
dB
DR â VR
0dBm0ï½-30dBm0
36
ï¼
ï¼
Distortion (Liear PCM)
Parameter
Transmit signal to Distortion
ï¼ï¼¡âï¼¤ï¼ VFTN â DX
Receive signal to Distortion
ï¼ï¼¤âï¼¡ï¼ DR â VR
Conditions
min typ max Unit
1020Hz Tone 0dBm0 (C-massage)
78
dB
1020Hz Tone 0dBm0 (C-massage)
81
dB
<MS0998-E-00>
9
2008/9
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