Texas Instruments TLC3578EVM - Manuals

Page 5 - Preface; Read This First

How to Use This Manual v Preface Read This First About This Manual This user’s guide describes the characteristics, operation, and use ofthe following evaluation boards: - TLC3578 EVM Bipolar-Input, 8-channel 14-bit serial analog-to-digitalconverter - TLC3574 EVM Bipolar-Input, 4-channel 14-bit seri...

Page 7 - Contents

Contents vii Contents 1 EVM Overview 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Features 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 8 - Figures

Contents viii Figures 2−1 Block Diagram 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5−1 EVM Selection 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 9 - EVM Overview; Topic; Chapter 1

1-1 EVM Overview EVM Overview Each evaluation board is based on the equivalent ADC. All ADCs use asynchronous serial interface which can be simply interfaced to many micro-controllers using the SPI protocol. Each EVM also incorporates a stable voltage reference, and operationalamplifier to ensure a ...

Page 11 - Analog Interface; Chapter 2

2-1 Analog Interface Analog Interface Topic Page 2.1 Analog Interface Block Diagram 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 Signal Conditioning 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 Single Supply Operation 2-2 . ...

Page 12 - Analog Interface Block Diagram; Signal Conditioning

Analog Interface Block Diagram 2-2 2.1 Analog Interface Block Diagram A block diagram for the analog interface of the EVM is shown in Figure 2−1. Figure 2−1. Block Diagram TLC3578TLC3574TLC3548TLC3544TLC2578TLC2574 Signal Conditioning P1 / J1 The channels are arranged to comply with the EVM standard...

Page 13 - Physical Pinout Description; Reference Voltage

Physical Pinout Description 2-3 Analog Interface 2.4 Physical Pinout Description Samtec part numbers SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-Pprovide a convenient 10-pin dual row header/socket combination at P1. Thisheader/socket provides access to the analog input pins of the TLV2553/6. Consult Sam...

Page 14 - Configuration Options

Configuration Options 2-4 2.6 Configuration Options There are a number of options available via shorting jumpers. These aredetailed below: Table 2−3. Jumper Settings Reference Designator Description Factory Set Condition Position Optional Position Designator 1−2 2−3 W1 Single supply operation Not in...

Page 15 - Digital Interface; Chapter 3

3-1 Digital Interface Digital Interface The digital interface for the EVM is simply the appropriate digital signals fromthe ADC routed and presented to the 20-pin digital interface connector. Topic Page 3.1 Physical Pinout Description 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 17 - Power Supply; Chapter 4

4-1 Power Supply Power Supply The EVM accepts four power supplies. - A dual ± Vs dc supply for the dual-supply op-amps. - A single 5.0 V dc supply for the analog section of the ADC. - A single 3.3 V to 5 V dc supply for the digital section of the ADC. There are two ways to provide these voltages. - ...

Page 19 - Getting the Most From Your EVM; Chapter 5

5-1 Getting the Most From Your EVM Getting the Most From Your EVM A wide range of prototyping options and software solutions are available fromTI, and offer additional flexibility, reducing your time-to-market. Hardware andsoftware offerings from TI help you easily get from concept to hardware andso...

Page 20 - DSP Interface

Additional Hardware Options 5-2 5.1 Additional Hardware Options In general there are three hardware directions that the user can take with theEVM. 5.1.1 Stand-Alone EVM The EVM can be used on its own. Using the EVM in this manner obliges theuser to provide a custom digital interface between the EVM ...

Page 23 - Schematic; Chapter 6

6-1 Bill of Materials, Board Layouts, and Schematic Bill of Materials, Board Layouts, and Schematic This chapter contains the EVM bill of materials, board layouts and schematics. Topic Page 6.1 Bill of Materials for EVM 6-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 26 - Board Layouts

Board Layouts 6-4 6.2 Board Layouts Figure 6−1. Top Layer

Page 29 - EVM Schematic

EVM Schematic 6-7 Bill of Materials, Board Layouts, and Schematic 6.3 EVM Schematic The EVM schematic is a PDF attachment following this page.

Page 30 - ti

1 2 3 4 5 6 A B C D 6 5 4 3 2 1 D C B A ti 12500 TI Boulevard. Dallas, Texas 75243 Title: SHEET: OF: FILE: SIZE: DATE: REV: 21-Aug-2003 Drawn By: Engineer: Revision History REV ECN Number Approved TLC3578 EVM Block Diagram DOCUMENTCONTROL # TLC3578TLC3578.sch PWR & REFPWR & REF.sch CH6 CH7 A...