Related Manuals for Texas Instruments TLC3578EVM FAMILY TLC3578EVM
Summary of Contents for Texas Instruments TLC3578EVM FAMILY TLC3578EVM
- Page 1 TLC3578EVM Family User’s Guide August 2003 Data Acquisition−Digital/Analog Converters SLAU110...
- Page 2 TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products & application solutions:...
- Page 3 Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety measures typically found in the end product incorporating the goods.
- Page 4 EVM schematic located in the EVM User’s Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Copyright 2003, Texas Instruments Incorporated Mailing Address: Texas Instruments Post Office Box 655303...
- Page 5 About This Manual This user’s guide describes the characteristics, operation, and use of the following evaluation boards: TLC3578 EVM Bipolar-Input, 8-channel 14-bit serial analog-to-digital converter TLC3574 EVM Bipolar-Input, 4-channel 14-bit serial analog-to-digital converter TLC3548 EVM Unipolar-Input, 8-channel 14-bit serial analog-to-digital converter TLC3544 EVM Unipolar-Input, 4-channel 14-bit serial analog-to-digital converter...
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Page 6: Fcc Warning
Trademarks TI logo is a trademark of Texas Instruments. Related Documentation From Texas Instruments To obtain a copy of any of the following TI documents, call the Texas Instruments Literature Response Center at (800) 477−8924 or the Product... -
Page 7: Table Of Contents
EVM Overview ..............Features . - Page 8 Contents Figures 2−1 Block Diagram ..............5−1 EVM Selection .
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Page 9: Evm Overview
Chapter 1 EVM Overview Each evaluation board is based on the equivalent ADC. All ADCs use a synchronous serial interface which can be simply interfaced to many micro- controllers using the SPI protocol. Each EVM also incorporates a stable voltage reference, and operational amplifier to ensure a low-noise voltage reference for the ADC. -
Page 10: Features
Features 1.1 Features Evaluation board featuring one of the following: Onboard reference, with recommended buffer circuitry Suggested signal conditioning circuitry for 1 channel only TLC3578 ADC (order TLC3578 EVM) TLC3574 ADC (order TLC3574 EVM) TLC3548 ADC (order TLC3548 EVM) TLC3544 ADC (order TLC3544 EVM) TLC2578 ADC (order TLC2578 EVM) TLC2574 ADC (order TLC2574 EVM) -
Page 11: Analog Interface
Topic Analog Interface Block Diagram Signal Conditioning ......... . . Single Supply Operation . -
Page 12: Analog Interface Block Diagram
Analog Interface Block Diagram 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 P1 / J1 The channels are arranged to comply with the EVM standard developed for data converters. -
Page 13: Physical Pinout Description
2.4 Physical Pinout Description Samtec part numbers SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a convenient 10-pin dual row header/socket combination at P1. This header/socket provides access to the analog input pins of the TLV2553/6. Consult Samtec at mating connector options. Table 2−1. Analog Input Pinout Description Pin Number Signal... -
Page 14: Configuration Options
Configuration Options 2.6 Configuration Options There are a number of options available via shorting jumpers. These are detailed below: Table 2−3. Jumper Settings Reference Description Designator Designator Single supply operation Select negative supply for op amp Select positive supply for op amp Select signal source for channel 0 Select positive voltage reference Select digital power... -
Page 15: Digital Interface
Chapter 3 Digital Interface The digital interface for the EVM is simply the appropriate digital signals from the ADC routed and presented to the 20-pin digital interface connector. Topic Page Physical Pinout Description ........Digital Interface... -
Page 16: Physical Pinout Description
Physical Pinout Description 3.1 Physical Pinout Description The EVM is designed for easy interfacing to multiple platforms. Samtec part numbers SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a convenient 10-pin dual row header/socket combination. This header/socket combination provides access to the digital control and serial data pins of the EVM. -
Page 17: Power Connector Pinout Description
The EVM accepts four power supplies. A dual 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. Hook-up the test points on the EVM. -
Page 19: Getting The Most From Your Evm
Getting the Most From Your EVM A wide range of prototyping options and software solutions are available from TI, and offer additional flexibility, reducing your time-to-market. Hardware and software offerings from TI help you easily get from concept to hardware and software prototype. -
Page 20: Additional Hardware Options
Additional Hardware Options 5.1 Additional Hardware Options In general there are three hardware directions that the user can take with the EVM. 5.1.1 Stand-Alone EVM The EVM can be used on its own. Using the EVM in this manner obliges the user to provide a custom digital interface between the EVM and a host system. -
Page 21: Msp430 Microcontroller Interface
Figure 5−1. EVM Selection TMS320C6711 TMS320C6711 1. Select DSP 2. Select DSK Figure 5−2. DSK-To-EVM Stackup Diagram Amplifier Site C5K / 6K Interface Card 5.1.3 MSP430 Microcontroller interface TI also offer a range of low-power microcontrollers that have an SPI interface. -
Page 23: Bill Of Materials, Board Layouts, And Schematic
Bill of Materials, Board Layouts, and This chapter contains the EVM bill of materials, board layouts and schematics. Topic Bill of Materials for EVM ........Board Layouts . -
Page 24: Bill Of Materials For Evm
Bill of Materials for EVM 6.1 Bill of Materials for EVM Item Value R8, R17 R1, R2, R3, R4, R5, R6, R7, R12, R13 100R R10, R11, R20, R21 10 K R16, R18 10 pF 0.1 F C1, C13, C15, C16, C20, C22, C23, 27 nF... - Page 25 TLC3578 Alternate TLC3574 Alternate TLC3548 Alternate TLC3544 Alternate TLC2578 Alternate TLC2574 SN74LVC1 U5, U6 TP_.025 +5VA, +VA, −VA, Vdd TP_turret AGND, DGND Turret terminal test point Installed Installed Installed Bill of Materials for EVM IC, A/D 8−CH, 14−BIT, Texas LP 24−TSSOP Instruments IC, A/D, 4−Ch, 14−bit Texas...
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Page 26: Board Layouts
Board Layouts 6.2 Board Layouts Figure 6−1. Top Layer... -
Page 27: Internal Plane
Board Layouts Figure 6−2. Internal Plane 1 Figure 6−3. Internal Plane 2 Bill of Materials, Board Layouts, and Schematic... -
Page 28: Bottom Layer (Mirrored)
Board Layouts Figure 6−4. Bottom Layer (Mirrored) -
Page 29: Evm Schematic
EVM Schematic 6.3 EVM Schematic The EVM schematic is a PDF attachment following this page. Bill of Materials, Board Layouts, and Schematic... - Page 30 AGND TLC3578 TLC3578.sch REF- REF+ PWR & REF PWR & REF.sch CLKX DATA_IN B_DATA_OUT B_INT*/EOC GPIO_1 DGND 12500 TI Boulevard. Dallas, Texas 75243 Title: TLC3578 EVM Block Diagram Engineer: Joe Purvis DOCUMENTCONTROL # Drawn By: Joe Purvis FILE: DATE: 21-Aug-2003 TLC3578 EVM Block Diagram Revision History ECN Number...
- Page 31 Not Installed Not Installed AGND Amplifier +Supply Output Amplifier -Supply 27nF AGND 27nF AGND 27nF AGND 27nF AGND 27nF AGND DVdd +5V_s DVdd 27nF AGND AIN0 AIN1 BCLK AIN2 SCLK AIN3 AIN4 AIN5 CSTART* AIN6 INT* / EOC AIN7 27nF REF_P REFP AGND...
- Page 32 DVdd DGND DGND 0.1uF SN74LVC1G07 SN74LVC1G07 DVdd + C21 10uF 0.1uF DGND DVdd 0.1uF +5VA +5VA + C19 10uF 0.1uF AGND +3.3V_D + C12 10uF 0.1uF AGND +5V_D 10uF 0.1uF AGND +5V_s REF3040 AGND +5V_s Amplifier +Supply +V_s -V_s Amplifier -Supply AGND 100R Not Installed...
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