TPA2012D2
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SLOS438C–DECEMBER 2004–REVISED MARCH 2007
TEST SET-UP FOR GRAPHS (per channel)
C
TPA2012D2
I
R
I
+
-
IN+
OUT+
+
-
30 kHz
Low Pass
Filter
Measurement
Input
Measurement
Output
Load
C
I
R
I
IN-
V
OUT-
GND
DD
1 mF
+
-
V
DD
(1) CI was Shorted for any Common-Mode input voltage measurement.
(2) A 33-µH inductor was placed in series with the load resistor to emulate a small speaker for efficiency measurements.
(3) The 30–kHz low–pass filter is required even if the analyzer has an internal low–pass filter. An RC low pass filter (100
Ω, 47 nF) is used on each output for the data sheet graphs.
6
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