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TS472 数据表(PDF) 7 Page - STMicroelectronics

部件名 TS472
功能描述  Very low noise microphone preamplifier with 2.0 V bias output and active low standby mode
PDF  25 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS472 数据表(HTML) 7 Page - STMicroelectronics

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TS472
Electrical characteristics
Doc ID 11015 Rev 6
7/25
Table 7.
Differential RMS noise voltage
Gain
(dB)
Input referred noise voltage
(
μVRMS)
Output noise voltage
(
μVRMS)
Unweighted filter
A-weighted filter
Unweighted filter
A-weighted filter
015
10
15
10
20
3.4
2.3
34
23
40
1.4
0.9
141
91
Table 8.
Bias output RMS noise voltage
C3
(1)
(
μF)
1.
Bias output filtering capacitor.
Unweighted filter
(
μVRMS)
A-weighted filter
(
μVRMS)
15
4.4
10
2.2
1.2
Table 9.
SNR (signal to noise ratio), THD+N < 0.5%
Gain
(dB)
Unweighted filter 20 Hz - 20 kHz
(dB)
A-weighted filter
(dB)
VCC =2.2 V
VCC =3V
VCC =5.5 V
VCC =2.2 V
VCC =3V
VCC =5.5 V
0
75
76
7679
8080
20
82
83
83
89
90
90
40
70
72
74
80
82
84



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