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TPA6130A2RTJT 数据表(PDF) 26 Page - Texas Instruments |
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TPA6130A2RTJT 数据表(HTML) 26 Page - Texas Instruments |
26 / 39 page 1 0.5 0.75 0.25 0 -0.25 -0.5 -0.75 -1 0 2m 1m 3m 4m 5m 6m 8m 7m 9m 10m t-Time-s Output SWSEnable 1 0.5 0.75 0.25 0 -0.25 -0.5 -0.75 -1 0 400m 200m 600m 800m 1m 1.2m 1.6m 1.4m 1.8m 2m t-Time-s Output SWS Disable C O + 1 2pR Lfc fc + 1 2pR LCO TPA6130A2 SLOS488F – NOVEMBER 2006 – REVISED MARCH 2015 www.ti.com DC blocking capacitors are often large in value. The headphone speakers (typical resistive values of 16 Ω or 32 Ω) combine with the dc blocking capacitors to form a high-pass filter. Equation 3 shows the relationship between the load impedance (RL), the capacitor (CO), and the cutoff frequency (fC). (3) CO can be determined using Equation 4, where the load impedance and the cutoff frequency are known. (4) If fc is low, the capacitor must then have a large value because the load resistance is small. Large capacitance values require large package sizes. Large package sizes consume PCB area, stand high above the PCB, increase cost of assembly, and can reduce the fidelity of the audio output signal. 9.2.3 Application Performance Curves Figure 46. Shutdown Time Figure 47. Startup Time 26 Submit Documentation Feedback Copyright © 2006–2015, Texas Instruments Incorporated Product Folder Links: TPA6130A2 |
类似零件编号 - TPA6130A2RTJT |
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类似说明 - TPA6130A2RTJT |
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