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TPA3110D2-Q1 Datasheet(PDF) 18 Page - Texas Instruments

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Part # TPA3110D2-Q1
Description  Filter-Free Stereo Class-D Audio Power Amplifier
Download  36 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3110D2-Q1 Datasheet(HTML) 18 Page - Texas Instruments

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PVCC
PVCC
GAIN1
6
AVCC
7
8
AGND
9
GVDD
OUTNL
BSNL
BSNR
OUTNR
23
22
21
20
TPA3110D2-Q1
FAULT
2
LINP
3
4
LINN
5
GAIN0
PVCCL
BSPL
OUTPL
PGND
27
26
25
24
PLIMIT
10
RINN
11
12
RINP
13
NC
PGND
OUTPR
BSPR
PVCCR
19
18
17
16
PBTL
14
PVCCR
15
GND
29
PowerPAD
SD
1
PVCCL
28
PVCC
100 F
0. 1 F
1000 pF
100 F
0. 1 F
1000 pF
Audio
Source
Control
System
100 k
10
1 k
FB
FB
0.22 F
1000 pF
0.22 F
1000 pF
1 F
m
1 F
m
0. 22 F
FB
FB
1000 pF
1000 pF
0. 22 F
10 k
10 k
1 F
m
1 F
m
1 F
m
1 F
m
1 F
m
TPA3110D2-Q1
SLOS794B – SEPTEMBER 2012 – REVISED SEPTEMBER 2015
www.ti.com
8 Application and Implementation
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
8.1 Application Information
The TPA3110D1-Q1 device is an automotive class-D audio amplifier. It accepts either a stereo single ended or
differential analog input, amplifies the signal, and drives up to 15W across two bridge tied loads, usually stereo
speakers. Because an analog input is needed, this device is often paired with a codec or audio DAC if the audio
source is digital.
The four digital input/output pins, GAIN0, GAIN1, SD, and FAULT, can be pulled up to PVCC. When connecting
these terminals to PVCC, a 100 k
Ω-resistor must be put in series to limit the slew rate. One of four gain settings
is used depending on the configuration of GAIN0 and GAIN1. The SD pin is used to put the device in shutdown
or normal mode. The FAULT pin is used to indicate if a DC detect or short circuit fault was detected. The next
few sections explains design considerations and how to choose the external components.
8.2 Typical Application
Figure 36. Stereo Class-D Amplifier With BTL Output and Single-Ended Inputs With Power Limiting
18
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Copyright © 2012–2015, Texas Instruments Incorporated
Product Folder Links: TPA3110D2-Q1


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