поискавой системы для электроныых деталей |
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TPA3007D1PWG4 датащи(PDF) 10 Page - Texas Instruments |
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TPA3007D1PWG4 датащи(HTML) 10 Page - Texas Instruments |
10 / 24 page www.ti.com APPLICATION INFORMATION APPLICATION CIRCUIT INN INP GAIN0 SHUTDOWN PGND VCLAMP BSN PVCC OUTN OUTN PGND VCC VREF BYPASS COSC ROSC AGND AGND BSP PVCC OUTP GAIN1 OUTP PGND 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 R3 51 Ω C9 0.22 µF C6 1 µF D1 VCC C12 220 pF C11 1 µF C3 1 µF C4 1 µF VCC L2 (Ferrite Bead) L1 (Ferrite Bead) C15 1 nF C14 1 nF D2 R2 51 Ω C8 0.22 µF C5 1 µF C7 10 µF C10 1 µF C1 0.47 µF C2 0.47 µF IN− IN+ GAIN SELECT GAIN SELECT SHUTDOWN CONTROL U1 TPA3007D1 L1, L2: Fair-Rite, Part Number 2512067007Y3 D1, D2: Diodes, Inc., Part Number B130 VCC R1 120 k Ω CLASS-D OPERATION TRADITIONAL CLASS-D MODULATION SCHEME TPA3007D1 SLOS418D – SEPTEMBER 2003 – REVISED MARCH 2008 Figure 13. Typical Application Circuit This section focuses on the class-D operation of the TPA3007D1. The traditional class-D modulation scheme, which is used in the TPA032D0x family, has a differential output where each output is 180 degrees out of phase and changes from ground to the supply voltage, VCC. Therefore, the differential pre-filtered output varies between positive and negative VCC, where filtered 50% duty cycle yields 0 V across the load. The traditional class-D modulation scheme with voltage and current waveforms is shown in Figure 14. Note that even at an average of 0 V across the load (50% duty cycle), the current to the load is high, causing high loss, thus causing a high supply current. 10 Submit Documentation Feedback Copyright © 2003–2008, Texas Instruments Incorporated Product Folder Link(s): TPA3007D1 |
Аналогичный номер детали - TPA3007D1PWG4 |
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Аналогичное описание - TPA3007D1PWG4 |
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