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APA100
Manuale Utente
Texas Instruments APA100 Manuale Utente Pagina 10
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EVM Basic Function/Block Diagram
1-4
Figure 1−2.
AP
A100 EVM Block Diagram
Audio Input
Gain
(TL
V2464)
Feedback
and
Integrator
(TL
V2464)
Audio
Output
Analog Input
Class-D
Modulator
TP
A2001D1
H-Bridge
(T
AS51
1
1)
1
2
...
5
6
7
8
9
10
11
12
13
14
15
...
41
42
User’s Guide
1
Read This First
3
FCC Warning
4
Contents
5
EVM Overview
7
1.1 Features
8
1.2 Power Requirements
8
PCB Design
11
2.1 PCB Layout
12
2.1.2 H-Bridge Layout
13
2.1.3 Analog Section Layout
13
2.1.4 PCB Layers
14
Figure 2−5. Drill Drawing
15
2.2 Bill of Materials
16
2.3 Schematic
17
EVM Operation
19
3.1 Quick Start
20
3.2 Power−Up/Down Sequence
21
3.3 Reset Button/Mute
21
3.4 Error Signals
21
3.5 Changing the Gain
22
Technical Information
23
4.1 Feedback System Design
24
Feedback System Design
25
Canceling Zero
26
TPA2001D1
30
4.3 TAS5111 (H-Bridge)
31
4.5 LC Filter
32
4.6 Thermal
33
Measured Results
35
5.2 Output Power
38
5.3 Efficiency
39
5.4 Gain and Phase Response
40
5.6 Supply Ripple Rejection
41
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