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TAS5805MPWPR Datasheet(PDF) 29 Page - Texas Instruments

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Part # TAS5805MPWPR
Description  23-W, Inductor-Less, Digital Input, Stereo, Closed-Loop Class-D Audio Amplifier with Enhanced Processing and Low Idle Power Dissipation
PDF  86 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TAS5805MPWPR Datasheet(HTML) 29 Page - Texas Instruments

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background image
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
SLASEH5A – MAY 2018 – REVISED JULY 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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