TPA032D02 Datasheet, PDF (14/23 Pages) Texas Instruments – 10-W STEREO CLASS-D AUDIO POWER AMPLIFIER

TPA032D02
10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
SLOS243A – DECEMBER 1999 – REVISED MARCH 2000
APPLICATION INFORMATION
the ideal class-D amplifier (continued)
Control logic is used to adjust the output power, and both transistors are never on at the same time. If the output
voltage is rising, M1 is on for a longer period of time than M2.
Inductor Current
Output Current
Supply Current
0
M1 on M1 off M1 on
M2 off M2 on M2 off
Time
Figure 5. Class-D Currents
0
M1 on M1 off M1 on
M2 off M2 on M2 off
Time
Figure 6. Class-D Voltages
VDD
VA
VOUT
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