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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TAS5822MDCPR датащи(PDF) 17 Page - Texas Instruments |
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TAS5822MDCPR датащи(HTML) 17 Page - Texas Instruments |
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17 / 90 page  6.7.2 Parallel Bridge Tied Load (PBTL) Configuration Curves with 1SPW Modulation, Fsw = 768kHz Free-air room temperature 25°C (unless otherwise noted).Measurements were made using TAS5822MEVM board and 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 768 kHz, 1SPW Mode, the LC filter used was 10 μH / 0.68 μF, Class D bandwidth = 175 kHz, unless otherwise noted. Output Power (W) 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 D016 TA=25qC RL=4: PBTL Mode Fsw=768kHz D300 PVDD = 18V PVDD = 22 V PVCC = 24 V FSW = 768 kHz Load = 4Ω PVDD = 18V/22V/24V Figure 6-33. Efficiency vs Output Power Output Power (W) 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 D016 TA=25qC RL=3: PBTL Mode Fsw=768kHz D925 PVDD = 18V PVDD = 22 V PVCC = 24 V FSW = 768 kHz Load = 3Ω PVDD = 18V/22V/24V Figure 6-34. Efficiency vs Output Power Output Power (W) 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 D016 TA=25qC RL=2: PBTL Mode Fsw=768kHz D926 PVDD = 18V PVDD = 22 V PVCC = 24 V FSW = 768 kHz Load = 2Ω PVDD = 18V/22V/24V Figure 6-35. Efficiency vs Output Power Supply Voltage (V) 0 20 40 60 80 100 20 5 15 18 10 20 Fsw=768kHz 1SPW Modulation PBTL Mode D007 D030 D927 Load=4: Load=3: Load=2: FSW = 768 kHz Load = 2Ω/3Ω/4Ω 1SPW Mode Figure 6-36. idle Channel Noise vs PVDD Supply Voltage (V) 4 6 8 10 12 14 16 18 20 22 24 26 0 10 20 30 40 50 60 70 80 90 100 D014 D037 Fsw=768kHz TA=25qC 1SPW Mode D928 THD+N= 1%, 4: THD+N=10%, 4: THD+N= 1%, 3: THD+N=10%, 3: THD+N= 1%, 2: THD+N=10%, 2: FSW = 768 kHz Load = 2Ω/3Ω/4Ω 1SPW Mode Figure 6-37. Output Power vs PVDD Output Power (W) 0.001 0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 0.01 0.1 1 10 20 D007 PVCC=18V TA=25qC RL=4: PBTL Mode D929 f= 1kHz f= 10kHz FSW = 768 kHz Load = 4Ω PVDD = 18V Figure 6-38. THD+N vs Output Power www.ti.com TAS5822M SLASEV8 – DECEMBER 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 17 Product Folder Links: TAS5822M |
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