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TPA2000D4DAPG4 Fiches technique(PDF) 6 Page - Texas Instruments |
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TPA2000D4DAPG4 Fiches technique(HTML) 6 Page - Texas Instruments |
6 / 27 page TPA2000D4 STEREO 2W CLASSD AUDIO POWER AMPLIFIER WITH STEREO HP AMPLIFIER SLOS337B − DECEMBER 2000 − REVISED NOVEMBER 2005 6 WWW.TI.COM TYPICAL CHARACTERISTICS Table of Graphs FIGURE Efficiency vs Output power 2, 3 FFT at 1.5-W Output Power vs Frequency 4 Supply current vs Free-air temperature 5 Total harmonic distortion + noise vs Frequency 6, 7 Total harmonic distortion + noise vs Output power 8, 9 Class-D gain and phase vs Frequency 10 Class-D crosstalk vs Frequency 11 Power dissipation vs Output power 12 FFT at 1.5-W output power vs Frequency 13 Supply voltage rejection ratio vs Frequency 14 Headphone total harmonic distortion + noise vs Frequency 15, 16, 22 Headphone total harmonic distortion + noise vs Output power 17 Headphone closed-loop gain and phase vs Frequency 18 Headphone open-loop gain and phase vs Frequency 19 Headphone crosstalk vs Frequency 20, 24 Headphone supply voltage rejection ratio vs Frequency 21 Headphone total harmonic distortion + noise vs Output voltage 23 Headphone supply current vs Output voltage 25 Headphone supply current vs Output power 26 test set-up for graphs The THD+N measurements shown do not use an LC output filter, but use a low pass filter with a cut-off 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 mΩ, 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 C2 C1 L1 L2 OUT− OUT+ Figure 1. Class-D Output Filter |
Numéro de pièce similaire - TPA2000D4DAPG4 |
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Description similaire - TPA2000D4DAPG4 |
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