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TAS5828M bảng dữ liệu(PDF) 21 Page - Texas Instruments |
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TAS5828M bảng dữ liệu(HTML) 21 Page - Texas Instruments |
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21 / 97 page  6.7.3 Parallel Bridge Tied Load (PBTL) Configuration With BD Modulation Free-air room temperature 25°C (unless otherwise noted). Measurements were made using Audio Precision System 2722 with Analog Analyzer filter set to 20-kHz brickwall filter. All measurements taken with audio frequency set to 1 kHz and device PWM frequency set to 384 kHz, 80 kHz Class D Amplifier Loop Bandwidth, LC filter with 10 μH / 0.68 μF （Post-Filter PBTL, the merging of the two output channels after the inductor portion of the output filter, see details in Section 9.2.4 ）, unless otherwise noted. Frequency (Hz) 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 100 1k 10k 20 20k PVCC=12V TA=25°C RL=2 BD Modulation PO=1W,2.5W,5W FSW=384kHz Load = 2 PBTL Mode PO=1W PO=2.5W PO=5W Figure 6-39. THD+N vs Frequency-PBTL Frequency (Hz) 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 100 1k 10k 20 20k PVCC=12V TA=25°C RL=4 BD Modulation PO=1W,2.5W,5W FSW=384kHz Load = 4 PBTL Mode PO=1W PO=2.5W PO=5W Figure 6-40. THD+N vs Frequency-PBTL Frequency (Hz) 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 100 1k 10k 20 20k PVCC=18V TA=25°C RL=2 BD Modulation PO=1W,2.5W,5W FSW=384kHz Load = 2 PBTL Mode PO=1W PO=2.5W PO=5W Figure 6-41. THD+N vs Frequency-PBTL Frequency (Hz) 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 100 1k 10k 20 20k PVCC=18V TA=25°C RL=4 BD Modulation PO=1W,2.5W,5W FSW=384kHz Load = 4 PBTL Mode PO=1W PO=2.5W PO=5W Figure 6-42. THD+N vs Frequency-PBTL Frequency (Hz) 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 100 1k 10k 20 20k PVCC=24V TA=25°C RL=2 BD Modulation PO=1W,2.5W,5W FSW=384kHz Load = 2 PBTL Mode PO=1W PO=2.5W PO=5W Figure 6-43. THD+N vs Frequency-PBTL Frequency (Hz) 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 100 1k 10k 20 20k PVCC=24V TA=25°C RL=4 BD Modulation PO=1W,2.5W,5W FSW=384kHz Load = 4 PBTL Mode PO=1W PO=2.5W PO=5W Figure 6-44. THD+N vs Frequency-PBTL www.ti.com TAS5828M SLASEX7A – JUNE 2021 – REVISED DECEMBER 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 21 Product Folder Links: TAS5828M |
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