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TS4962 датащи(PDF) 19 Page - STMicroelectronics

номер детали TS4962
подробное описание детали  2.8 W filter-free mono class D audio power amplifier
PDF  44 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4962 датащи(HTML) 19 Page - STMicroelectronics

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DocID10968 Rev 9
19/44
TS4962
Electrical characteristics
44
3.1
Electrical characteristics curves
The graphs shown in this section use the following abbreviations.
RL + 15 µH or 30 µH = pure resistor + very low series resistance inductor
Filter = LC output filter (1 µF + 30 µH for 4
Ω and 0. 5µF + 60 µH for 8 Ω)
All measurements are done with CS1 = 1 µF and CS2 = 100 nF (see Figure 2), except for the
PSRR where CS1 is removed (see Figure 3).
Figure 2. Schematic used for test measurements
Figure 3. Schematic used for PSSR 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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