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A21SP16 датащи(PDF) 16 Page - STMicroelectronics

номер детали A21SP16
подробное описание детали  3 W filter-free class-D audio power amplifier
PDF  37 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

A21SP16 датащи(HTML) 16 Page - STMicroelectronics

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Electrical characteristic curves
A21SP16
16/37
DocID026037 Rev 2
4
Electrical characteristic curves
The graphs included in this section use the following abbreviations:
RL + 15 H or 30 H = pure resistor + very low series resistance inductor
Filter = LC output filter (1 µF + 30 µH for 4
 and 0.5 µF + 60 µH for 8 )
All measurements done with Cs1 = 1µF and Cs2 = 100 nF except for PSRR where Cs1
is removed.
Figure 2. Test diagram for measurements
Figure 3. Test diagram for PSRR measurements
In+
In-
Rin
150k
Rin
150k
Cin
Cin
GND
Vcc
+
Cs1
1uF
GND
Cs2
100nF
GND
RL
4 or 8 Ohms
15uH or 30uH
or
LC Filter
5th order
50kHz low pass
filter
Audio Measurement
Bandwidth < 30kHz
Out+
Out-
TS4962
In+
In-
Rin
150k
Rin
150k
4.7uF
4.7uF
GND
Cs2
100nF
GND
RL
4 or 8 Ohms
15uH or 30uH
or
LC Filter
5th order
50kHz low pass
filter
RMS Selective Measurement
Bandwidth=1% of Fmeas
Out+
Out-
TS4962
GND
5th order
50kHz low pass
filter
Reference
20Hz to 20kHz
Vcc
GND



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