Texas Instruments TLC2551EVM User Manual Download Page 7

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Contents

Contents

EVM Overview

1-1

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1.1

Introduction

1-2

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1.2

Features

1-2

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1.3

Default Jumper Settings

1-3

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1.4

Analog Interface

1-4

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1.5

Digital Interface

1-4

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1.6

Power Supplies

1-5

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1.7

Voltage References

1-5

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1.8

EVM Operation

1-5

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Layout

2-1

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EVM Bill of Materials and EVM Schematic

3-1

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3.1

EVM Bill of Materials

3-2

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3.2

EVM Schematic

3-3

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Figures

2 - 1

Top Assembly Layer

2-1

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2 - 2

Ground Plane Layer

2-2

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2 - 3

Voltage Plane Layer

2-2

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2 - 4

Bottom Assembly (Viewed From Top)

2-3

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Tables

1 - 1

Single Input Channel

1-2

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1 - 2

Pseudo DIfferential Input Channels

1-2

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1 - 3

Dual Input Channels

1-2

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1 - 4

TLC4541EVM, TLC3541EVM, TLC2551EVM, and TLV2541EVM

1-3

. . . . . . . . . . . . . . . . . . . .

1 - 5

TLC4545EVM, TLC3545EVM, TLC2552/5EVMs, and TLV2542/5EVMs

1-3

. . . . . . . . . . . . . .

1 - 6

Analog Input Connector J1

1-4

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1 - 7

Digital Connector J2

1-4

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3 - 1

EVM Bill of Materials

3-2

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Summary of Contents for TLC2551EVM

Page 1: ...TLC4541 5EVM TLC3541 5EVM TLC2551 2 5EVM AND TLV2541 2 5EVM March 2003 Data Acquisition Products User s Guide SLAU103 ...

Page 2: ...nt that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from TI to use such products or services or a warranty or end...

Page 3: ... handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR A...

Page 4: ...f there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 70 C The EVM is designed to operate properly with certain components above 70 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transisto...

Page 5: ...tains the following chapters Chapter 1 EVM Overview Chaper 2 Layout Chapter 3 EVM Bill of Materials and EVM Schematic 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 Information Center PIC at 972 644 5580 When ordering please identify this booklet by its title and...

Page 6: ...h the limits of computing devices pursuant to subpart J of part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other en vironments may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference ...

Page 7: ... EVM Bill of Materials 3 2 3 2 EVM Schematic 3 3 Figures 2 1 Top Assembly Layer 2 1 2 2 Ground Plane Layer 2 2 2 3 Voltage Plane Layer 2 2 2 4 Bottom Assembly Viewed From Top 2 3 Tables 1 1 Single Input Channel 1 2 1 2 Pseudo DIfferential Input Channels 1 2 1 3 Dual Input Channels 1 2 1 4 TLC4541EVM TLC3541EVM TLC2551EVM and TLV2541EVM 1 3 1 5 TLC4545EVM TLC3545EVM TLC2552 5EVMs and TLV2542 5EVMs ...

Page 8: ...Contents vi ...

Page 9: ...TLC4541 5EVM TLC3541 5EVM TLC2551 2 5EVM and TLV2541 2 5EVM Topic Page 1 1 Introduction 1 2 1 2 Features 1 2 1 3 Default Jumper Settings 1 3 1 4 Analog Interface 1 4 1 5 Digital Interface 1 4 1 6 Power Supplies 1 5 1 7 Voltage References 1 5 1 8 EVM Operation 1 5 Chapter 1 ...

Page 10: ...ower The data output DO signal from the device under test DUT is conditioned through a digital buffer An on board voltage reference is generated and buffered to drive the DUT An off board reference which is user optional can be supplied by reconfiguring jumper W3 The analog electronics operates with bipolar or unipolar power supplies by changing two jumpers 1 2 Features The EVM is a full featured ...

Page 11: ...amps U1 and U3 Installed Not installed W7 Connects either Va or GND to negative power pin of op amps U1 and U3 Installed Not installed Table 1 5 TLC4545EVM TLC3545EVM TLC2552 5EVMs and TLV2542 5EVMs Designator 1 2 2 3 W1 Enables reference offset for single supply amplifier U1 Not installed N A W2 Connects or bypasses buffer U1 to DUT Not installed Installed W3 Connects onboard or offboard REF Inst...

Page 12: ...REF External refence voltage for the DUT J1 19 N C 1 5 Digital Interface 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 and socket combination at P2 This header socket provides access to the digital control and serial data pins for all 10 of the 12 14 and 16 bit ADCs Consult Sa...

Page 13: ...ly reference voltage to pin 18 of J1 1 8 EVM Operation DC voltages can be applied to the EVM board either through the 10 pin standard power connector J3 or the test points labeled 12 V 12 V 5 and GND Apply the appropriate current limited 500 mA max DC sources to the board prior to connecting the analog input and digital control signals The digital control signals are applied directly to P2 or the ...

Page 14: ...1 6 ...

Page 15: ...2 1 Layout Layout This chapter provides the board layouts Figure 2 1 Top Assembly Layer Chapter 2 ...

Page 16: ...2 2 Figure 2 2 Ground Plane Layer Analog Ground Section Digital Ground Section Figure 2 3 Voltage Plane Layer Amplifier Supply Amplifier Supply ...

Page 17: ...2 3 Layout Figure 2 4 Bottom Assembly Viewed From Top ...

Page 18: ...2 4 ...

Page 19: ...atic EVM Bill of Materials and EVM Schematic This chapter provides a bill of materials and schematic for the TLC4541 5EVM TLC3541 5EVM TLC2551 2 5EVM and TLV2541 2 5EVM Topic Page 3 1 EVM Bill of Materials 3 2 3 2 EVM Schematic 3 3 Chapter 3 ...

Page 20: ...044447 Fair Rite 2744044447 J1 J2 Header 10 2 Samtec TSM 110 01 T DV P J3 Header 5 2 Samtec SSW 105 22 F D VS K P1 P2 Socket 10 2 Samtec SSW 110 22 F D VS K PCB Gerbers Texas Instruments 6448430 R1 R3 R10 NI Panasonic or equivalent R2 R11 R12 0R Panasonic or equivalent ERJ 3GEY0R00V R4 R5 R6 33R Panasonic or equivalent ERJ 3GEYJ330V R7 R8 100R Panasonic or equivalent ERJ 3GEYJ101V R9 NI Bourns 321...

Page 21: ...chematic 3 3 EVM Bill of Materials and EVM Schematic 3 2 EVM Schematic The schematic diagram for the TLC4541 5EVM TLC3541 5EVM TLC2551 2 5EVM and TLV2541 2 5EVM is furnished as an attachement to this chapter ...

Page 22: ...0uF REF C9 10uF C8 10uF C1 NI W1 W6 W7 AMPLIFIER SUPPLY AMPLIFIER SUPPLY C5 1uF C15 10uF AMPLIFIER SUPPLY AMPLIFIER SUPPLY Vcc_F Vs_F Vs_F AIN0 W2 AIN0 C2 NI Note Plug is installed topside Socket is installed bottomside Note Plug is installed topside Socket is installed botomside AMPLIFIER SUPPLY AMPLIFIER SUPPLY CLKXa FSXa FSRa CLKRa DXRa AGND Vo 6 Trim 5 Temp 3 GND 4 Vin 2 NC 1 NC 7 NC 8 U4 REF0...

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