參數資料
型號: TPA3200D1DCPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 12.8 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO44
封裝: GREEN, PLASTIC, HTSSOP-44
文件頁數: 10/29頁
文件大?。?/td> 1083K
代理商: TPA3200D1DCPR
www.ti.com
TPA3200D1 Modulation Scheme
0 V
12 V
+12 V
Current
OUTP
OUTN
Differential
Voltage
Across
Load
0 V
12 V
+12 V
Current
OUTP
OUTN
Differential
Voltage
Across
Load
Output = 0 V
Output > 0 V
TPA3200D1
SLOS442A – MAY 2005 – REVISED JULY 2005
The TPA3200D1 uses a modulation scheme that still has each output switching from ground to VCC. However,
OUTP and OUTN are now in phase with each other with no input. The duty cycle of OUTP is greater than 50%
and OUTN is less than 50% for positive output voltages. The duty cycle of OUTP is less than 50% and OUTN is
greater than 50% for negative output voltages. The voltage across the load is 0 V throughout most of the
switching period, greatly reducing the switching current, which reduces any I2R losses in the load. (See
Figure 22. The TPA3200D1 Output Voltage and Current Waveforms Into an Inductive Load
18
相關PDF資料
PDF描述
TPA3200D1DCPRG4 12.8 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO44
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