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TAS5805MPWPR 数据表(PDF) 29 Page - Texas Instruments |
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TAS5805MPWPR 数据表(HTML) 29 Page - Texas Instruments |
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29 / 88 page  OUTP OUTN OUTP -OUTN Speaker Current OUTP OUTN OUTP -OUTN Speaker Current OUTP OUTN OUTP -OUTN Speaker Current 0 V 0 V PVCC No Output Positive Output Negative Output 0 A 0 A 0 V -PVCC 29 TAS5805M www.ti.com SLASEH5 – MAY 2018 Product Folder Links: TAS5805M Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated Figure 63. 1SPW Mode Modulation 9.4.5.3 Hybrid Modulation Hybrid Modulation is designed for minimized power loss without compromising the THD+N performance, and is optimized for battery-powered applications. With Hybrid modulation, TAS5805M will detect the input signal level and adjust PWM duty cycle dynamically based on PVDD. Hybrid modulation achieves ultra low idle current and maintains the same audio performance level as the Hybrid Modulation. In order to minimize the power dissipation, low switching frequency (For example, Fsw=384kHz) with proper LC filter (15uH+0.68uF or 22uH+0.68uF) is recommended. NOTE To use the Hybrid Modulation, users need to enter the system's PVDD value on the TAS5805M PPC3 App. |
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