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TPA2000D2PWRG4 データシート(PDF) 5 Page - Texas Instruments |
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TPA2000D2PWRG4 データシート(HTML) 5 Page - Texas Instruments |
5 / 20 page www.ti.com TYPICAL CHARACTERISTICS TEST SET-UP FOR GRAPHS C2 C1 L1 L2 OUT– OUT+ TPA2000D2 SLOS291F – MARCH 2000 – REVISED MARCH 2007 Table of Graphs FIGURE η Efficiency vs Output power 2, 3 FFT at 1.5 W output power vs Frequency 4 vs Output power 5-7 THD+N Total harmonic distortion plus noise vs Frequency 8, 9 Crosstalk vs Frequency 10 Power supply rejection ratio vs Frequency 11 The THD+N measurements shown do not use an LC output filter, but use a low pass filter with a cutoff frequency of 20 kHz so the switching frequency does not dominate the measurement. This is done to ensure that the THD+N measured is just the audible THD+N. The THD+N measurements are shown at the highest gain for worst case. The LC output filter used in the efficiency curves (Figure 2 and Figure 3) is shown in Figure 1. L1 = L2 = 22 µH (DCR = 110 m Ω, Part number = SCD0703T-220 M-S, Manufacturer = GCI) C1 = C2 = 1 µF The ferrite filter used in the efficiency curves (Figure 2 and Figure 3) is shown in Figure 1, where L is a ferrite bead. L1 = L2 = ferrite bead (part number = 2512067007Y3, manufacturer = Fair-Rite) C1 = C2 = 1 nF Figure 1. Class-D Output Filter 5 Submit Documentation Feedback |
同様の部品番号 - TPA2000D2PWRG4 |
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同様の説明 - TPA2000D2PWRG4 |
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