参数资料
型号: MAS9090BJ
厂商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分类: 编解码器
英文描述: LOW VOLTAGE 14-BIT LINEAR CODEC
中文描述: LINEAR CODEC, PQFP44
封装: TQFP-44
文件页数: 22/30页
文件大小: 459K
代理商: MAS9090BJ
DA9090B.001
January 14, 1998
22
FUNCTIONAL DESCRIPTION
Control register CR6
7
Earpiece Gain
6
5
4
3
2
1
0
Function
(SP1)
Extra Gain
(SP2)
0
0
-
1
0
0
-
1
0
0
-
1
0
1
-
1
0 dB gain
-2 dB gain
in -2 dB steps
-30 dB gain
0 dB gain
-2 dB gain
in -2 dB steps
-30 dB gain
*
0
0
-
1
0
0
-
1
0
0
-
1
0
1
-
1
*
Control register CR7
7
6
Tone gain
0
0
0
0
0
0
0
0
1
1
X
5
4
3
f1
2
f2
1
0
Function
f2 dBm0
-0.87 (2)
SN
DE
Attenuation
0 dB gain *
-3 dB
-6 dB
-9 dB
-12 dB
-15 dB
-18 dB
-21 dB
-24 dB
-27 dB
f1 and f2 muted
f2 selected
f1 selected
f1 and f2 in summed mode
Squarewave signal selected
Sinewave signal selected
Normal operation
Tone/Ring generator connected to TX path
f1 dBm0
1.20 (2)
f1+f2 dBm0
-1.81 (2)
0
0
0
0
1
1
1
1
X
0
0
1
1
0
0
1
1
X
X
0
1
0
1
0
1
0
1
0
1
-25.80
-27.87
-28.81
*
0
0
1
1
0
1
0
1
0
1
*
0
1
*
Control register CR8
7
6
d7
d6
msb
5
4
3
2
1
0
Function
D5
d4
d3
d2
d1
d0
f1 control word
Control register CR9
7
6
d7
d6
msb
5
4
3
2
1
0
Function
d5
d4
d3
d2
d1
d0
f2 control word
(2)
X
*
values are calculated from TX output, levels on RX are 6 dB smaller
don’t care
state at power on initialization
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