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VV6501 Fiches technique(PDF) 23 Page - STMicroelectronics

No de pièce VV6501
Description  VGA CMOS Color Image Sensor
PDF  60 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VV6501 Fiches technique(HTML) 23 Page - STMicroelectronics

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VV6501
Functional Description
3.2.2
Audio amplifier key features
q
Very high PSRR micro bias reference due to bandgap from the 3.3V regulated supply, as well
as RC network for LF filtering in the audio bandwidth.
q
Fully differential low-noise amplifier with gain control via serial IF (0dB to +42dB in 6dB steps).
Up to 1.8Vpp dynamic range on AUDOUTP and AUDOUTN
Figure 18: VV6501 audio amplifier in typical application
Electret
Mic
Cc
220nF
Cc
220nF
x1.3
buffer
50K
50K
differential ADC
Audio
regulator
input
stage
STV0674
1
LNA
AUD3V3
AUDREF
MICBIAS
MICIN
Gain[2:0]
0:42dB
pd
V5V
AUDOUTP
AUDOUTN
R
Cin
470nF
AUD3V3
100nF
2.2uF
Audio
Power management
Audio
bandgap



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