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ST5090AD 数据表(PDF) 11 Page - STMicroelectronics

部件名 ST5090AD
功能描述  LOW VOLTAGE 14-BIT LINEAR CODEC WITH HIGH-PERFORMANCE AUDIO FRONT-END
PDF  29 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST5090AD 数据表(HTML) 11 Page - STMicroelectronics

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Table 8: Control Register CR6 Functions
7
65432
10
Function
Earpiece ampifier
[EARA]
Extra amplifier [EXTA]
0
0
-
1
0
0
-
1
0
0
-
1
0
1
-
1
0 dB gain
-2 dB gain
in 2 dB step
-30 dB gain
*
0
0
-
1
0
0
-
1
0
0
-
1
0
1
-
1
0 dB gain
-2 dB gain
in 2 dB step
-30 dB gain
*
*: state at power on initialization
Table 9: Control Register CR7 Functions
7
65432
10
Function
Ton e gain
F1
F2
SN
DE
Attenuation
f1 Vpp
f2 Vpp
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
1
1
1
X
X
0
0
1
1
0
0
1
1
X
X
0
1
0
1
0
1
0
1
0
1
....0dB *
-3 dB
-6 dB
-9 dB
-12 dB
-15 dB
-18 dB
-21 dB
-24 dB
-27 dB
...1.6(2)
0.066
1.26(2)
0.053
0
0
1
1
0
1
0
1
f1 and f2 muted
f2 selected
f1 selected
f1 and f2 in summed mode
*
0
1
Squarewave signal selected
Sinewave signal selected
*
0
1
Normal operation
Tone / Ring Generator connected to
Transmit path
*
*:
state at power on initialization
(2):
value provided if f1 or f2 is selected alone.
if f1 and f2 are selected in the summed mode, f1=0.89 Vpp while f2=0.7 Vpp.
X
reserved: write 0
Table 7: Control Register CR5 Functions
7
65432
10
Function
Transmit amplifier
Sidetone amplifier
0
0
-
1
0
0
-
1
0
0
-
1
0
1
-
1
0 dB gain
1.5 dB gain
in 1.5 dB step
22.5 dB gain
*
0
0
-
1
0
0
-
1
0
0
-
1
0
1
-
1
-12.5 dB gain
-13.5 dB gain
in 1 dB step
-27.5 dB gain
*
*: state at power on initialization
ST5090
11/29



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