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TS472 Datasheet(PDF) 8 Page - STMicroelectronics

Part # TS472
Description  Very Low Noise Microphone Preamplifier with 2V Biased Output and Active Low Standby Mode
PDF  20 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS472 Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical Characteristics
TS472
8/20
Figure 8.
Bias PSRR vs. frequency
Figure 9.
Bias PSRR vs. frequency
Figure 10. Differential output PSRR vs.
frequency
Figure 11. Differential output PSRR vs.
frequency
Figure 12. Differential output PSRR vs.
frequency
Figure 13. Differential output PSRR vs.
frequency
100
1k
10k
-100
-80
-60
-40
-20
0
Vripple=200mVpp
Vcc=3V
Cb=1
µF
Tamb =25
°C
Frequency (Hz)
50
20k
Bias floating or 1k
Ω to GND
100
1k
10k
-100
-80
-60
-40
-20
0
Bias=1k
Ω to GND
Vripple=200mVpp
Vcc=5V
Cb=1
µF
Tamb=25
°C
Frequency (Hz)
50
20k
Bias floating
100
1k
10k
-100
-80
-60
-40
-20
0
V
RIPPLE
=200mV
PP
, Inputs grounded
V
CC
=3V, Cb=Cin=1
µF, T
AMB
=25
°C
Gain=20dB
Maximum Gain
Minimum Gain
Frequency (Hz)
50
20k
100
1k
10k
-100
-80
-60
-40
-20
0
V
RIPPLE
=200mV
PP
, Inputs grounded
V
CC
=5V, Cb=Cin=1
µF, T
AMB
=25
°C
Gain=20dB
Maximum Gain
Minimum Gain
Frequency (Hz)
50
20k
100
1k
10k
-100
-80
-60
-40
-20
0
V
RIPPLE
=200mV
PP
, Inputs grounded
V
CC
=3V, Minimum Gain, Cin=1
µF, T
AMB
=25
°C
Cb=1
µF
No Cb
Cb=100nF
Frequency (Hz)
50
20k
100
1k
10k
-100
-80
-60
-40
-20
0
V
RIPPLE
=200mV
PP
, Inputs grounded
V
CC
=3V, Gain=20dB, Cin=1
µF, T
AMB
=25
°C
Cb=1
µF
No Cb
Cb=100nF
Frequency (Hz)
50
20k



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