參數(shù)資料
型號: MT92303
廠商: Mitel Networks Corporation
元件分類: Codec
英文描述: 3.3V Quad Interface, Dual Codec(3.3V 四接口雙編解碼器(提供音頻到PCM的接口))
中文描述: 3.3四種接口,雙編解碼器(3.3四接口雙編解碼器(提供音頻到的PCM的接口))
文件頁數(shù): 25/34頁
文件大?。?/td> 166K
代理商: MT92303
Preliminary Information
MT92303
25
Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing.
Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing.
AUXTONE Path Characteristics
-
All parameters are measured differentially between the ‘EAR0P/SPEAKERP’ and ‘EAR0N/
SPEAKERN’ pins unless otherwise stated.
Characteristics
Min
Typ
Max
Units
Comments
Gain
-29 to 0
dB
16 gain values available
Gain step size
2
dB
Step sizes not all equal
Maximum gain setting
-0.5
0
+0.5
dB
1kHz, 1V rms sinewave
Input DC bias
VDD/2
V
AUXTONE input
AUXTONE input
resistance (AC)
111.5
kOhms
Minimum gain setting
57.7
kOhms
Maximum gain setting
TX Path Characteristics
-
All parameters are referred to the differential signal between the ‘MICP’ and ‘MICN’ pins unless
otherwise stated.
Characteristics
Min
Typ
Max
Units
Comments
Input level for 0dBm0
0.577
0.611
0.647
V rms
Gain set to 0dB
2.89
mV rms
Gain set to 46.5dB
Input common-mode bias
VDD/2
V
DC bias on each input, relative to GND
Input resistance
(AC)
107
kOhms
Gain 0dB to 10.5dB
54
kOhms
Gain 12dB to 22.5dB
80
kOhms
Gain 24dB to 46.5dB
Gains
0 to +46.5
dB
32 gain values available
Gain error
-0.2
0
+0.2
dB
Gain 0dB to 22.5dB, 1kHz, 0dBm0
-0.3
0
+0.3
dB
Gain 24dB to 46.5dB, 1kHz, 0dBm0
Gain step size
1.5
dB
Input referred noise
300-3400Hz
20
uV rms
Gain set to Minimum
-90
dBm0
5
uV rms
Gain set to Maximum
-55
dBm0
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