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SLAU039
Texas Instruments SLAU039 Manuals
Manuals and User Guides for Texas Instruments SLAU039. We have
1
Texas Instruments SLAU039 manual available for free PDF download: User Manual
Texas Instruments SLAU039 User Manual (66 pages)
for the TLC320AD50C DSP Analog Interface circuit
Brand:
Texas Instruments
| Category:
Motherboard
| Size: 0 MB
Table of Contents
Table of Contents
7
1 Introduction
11
Topic Page
11
Scope of User's Guide
12
Block Diagram of AD50-EVM
13
AD50-EVM Block Diagram
13
Special Considerations When Using Sigma-Delta Converters
14
Disadvantages
15
2 AD50-EVM Design and Construction
17
PCB Construction
18
Power Supply
19
System Clock
19
Reset
20
Sampling Frequencies for Various MCLK and Register 4 Values
20
Serial Port Interfacing
21
Analog Input
22
Preamp Design
22
Input Stage Design
22
Analog Input/Output Connectors
22
Op Amp Selection
23
AD50-EVM Input Stage
23
Antialiasing Filter
24
AD50-EVM Antialiasing Filter Options
24
AD50-EVM Differential to Single-Ended Output Converter
25
Analog Output
25
3 Setting up the AD50-EVM
27
Setting up the AD50-EVM with the DSK+
28
Setting up the AD50-EVM in Stand-Alone Mode
28
Configuring the Serial Interface
28
Programming the AD50 Registers
29
Sine-Wave Generator and Loopback Program
30
4 Results Obtained with AD50 EVM
35
ADC Results
36
AD50-EVM ADC Distortion Measurement at 8 Ksps
36
AD50-EVM ADC Distortion Measurement at 20 Ksps
37
DAC Results
38
AD50-EVM DAC Distortion Measurement at 8 Ksps
38
AD50-EVM DAC Distortion Measurement at 20 Ksps
39
A Installing the AD50-EVM
41
A.1 Board Outline Drawing with Jumper Locations on the AD50 EVM
42
Diagram of the AD50-EVM
42
Jumper Positions
42
Control and Serial Connections
43
A.2 Connecting the AD50-EVM to the DSK+
44
A.3 Parts List
44
A.4 Circuit Diagrams
47
A.5 PCB Diagrams
51
B Programmable Logic
57
AD50-EVM Registers
58
B.1 DSK+ Mode
58
B.2 Stand-Alone Mode
58
B.3 Logic Compiler Listing
59
C Converting DSK+ Software for the AD50-EVM
61
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