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TAS5731MPHPR 데이터시트(PDF) 65 Page - Texas Instruments

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부품명 TAS5731MPHPR
상세설명  Digital Audio Power Amplifier
PDF  81 Pages
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

TAS5731MPHPR 데이터시트(HTML) 65 Page - Texas Instruments

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RESET
PDN
SDA
PLL_FLTM
PLL_FLTP
AVDD/DVDD
PVDD
3.3 V
8 V–24 V
SCL
Digital
Audio
Source
I C
Control
2
Control
Inputs
B0264-26
Loop
Filter
SDIN
LRCLK
SCLK
MCLK
OUT_A
OUT_B
BST_A
BST_B
OUT_C
OUT_D
BST_C
BST_D
LC
PBTL
TAS5731M
www.ti.com
SLOS838C – JULY 2013 – REVISED AUGUST 2015
10.2.2 Mono Parallel Bridge Tied Load Application
A mono system refers to a system in which the amplifier is used to drive a single loudspeaker. Parallel Bridge
Tied Load (PBTL) indicates that the two full-bridge channels of the device are placed in parallel and drive the
loudspeaker simultaneously using an identical audio signal. The primary benefit of operating the TAS5731M
device in PBTL operation is to reduce the power dissipation and increase the current sourcing capabilities of the
amplifier output. In this mode of operation, the current limit of the audio amplifier is approximately doubled while
the on-resistance is approximately halved.
The loudspeaker can be a full-range transducer or one that only reproduces the low-frequency content of an
audio signal, as in the case of a powered subwoofer. Often in this use case, two stereo signals are mixed
together and sent through a low-pass filter in order to create a single audio signal which contains the low
frequency information of the two channels.
The Mono Parallel Bridge Tied Load application is shown in Figure 71.
Figure 71. Mono Parallel Bridge Tied Load Application
Copyright © 2013–2015, Texas Instruments Incorporated
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Product Folder Links: TAS5731M



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