Texas Instruments THS1030/31EVM User Manual Download Page 5

Page: 5 / 39

Running Title—Attribute Reference

Chapter Title—Attribute Reference

Contents

Overview

1-1

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1.1

Purpose

1-2

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1.2

EVM Basic Functions

1-2

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1.3

Power Requirements

1-2

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1.4

THS1030/31EVM Operational Procedure

1-3

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Physical Description

2-1

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2.1

PCB Layout

2-2

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2.2

Parts LIst

2-8

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Circuit Description

3-1

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3.1

Schematic Diagram

3-2

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3.2

Circuit Function

3-6

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3.2.1

Inputs

3-6

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3.2.2

Clock Options

3-7

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3.2.3

References

3-7

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3.2.4

Power

3-7

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3.2.5

Outputs

3-7

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3.2.6

THS1031 Register Write

3-8

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Modes of Operation

4-1

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Summary of Contents for THS1030/31EVM

Page 1: ...THS1030 31EVM Evaluation Module for the THS1030 THS1031 10 Bit ADC 2000 AAP Data Conversion User s Guide SLAU040...

Page 2: ...ONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH PERSONAL INJURY OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE CRITICAL APPLICATIONS TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANT...

Page 3: ...anual This manual describes the physical characteristics functions modes of op eration and configuration of the THS1030 31EVM evaluation module EVM How to Use This Manual Chapter 1 Overview Chapter 2...

Page 4: ...iv...

Page 5: ...irements 1 2 1 4 THS1030 31EVM Operational Procedure 1 3 2 Physical Description 2 1 2 1 PCB Layout 2 2 2 2 Parts LIst 2 8 3 Circuit Description 3 1 3 1 Schematic Diagram 3 2 3 2 Circuit Function 3 6 3...

Page 6: ...Mode Input VREF 2 1Vp p Input Span top bottom mode 4 2 4 2 Common Mode Input VREF 2 2Vp p Input Span top bottom mode 4 2 4 3 External Common Mode Input 1Vp p Input Span center span mode 4 3 4 4 Exter...

Page 7: ...nning Title Attribute Reference vii Contents Tables 2 1 Parts List 2 8 3 1 Output Connector J4 3 8 4 1 Board Jumper Settings for Various Modes of Operation 4 6 4 2 Jumper Settings for Clock Options 4...

Page 8: ...viii...

Page 9: ...ew of the THS1030 31EVM evaluation module EVM and describes some of the factors that must be considered in using this module Topic Page 1 1 Purpose 1 2 1 2 EVM Basic Functions 1 2 1 3 Power Requiremen...

Page 10: ...function and can be populated when re quired In addition to the internal reference from the THS1030 31 device options are provided on the EVM to allow adjustment of the ADC reference via an onboard re...

Page 11: ...K11 LINK12 LINK13 LINK14 LINK16 THS1031 H1 pin 2 3 H2 pin 2 3 H3 pin 1 2 H4 pin 2 3 H6 pin 1 2 H8 pin 2 3 H9 pin 1 2 H10 pin 1 2 H11 pin 2 3 LINK4 LINK6 LINK10 LINK11 LINK12 LINK13 LINK14 LINK16 Check...

Page 12: ...1 4...

Page 13: ...Description Physical Description This chapter describes the physical characteristics and PCB layout of the EVM and lists the components used on the module Topic Page 2 1 PCB Layout 2 2 2 1 Parts List...

Page 14: ...Layout 2 2 2 1 PCB Layout The EVM is constructed on a 4 layer 151 mm 5 94I 115 mm 4 54I 1 57 mm 0 062I thick PCB using FR 4 material Figures 2 1 through 2 6 show the individual layers Figure 2 1 Silk...

Page 15: ...PCB Layout 2 3 Physical Description Figure 2 2 Silk Bottom...

Page 16: ...PCB Layout 2 4 Figure 2 3 Top...

Page 17: ...PCB Layout 2 5 Physical Description Figure 2 4 Inner 1...

Page 18: ...PCB Layout 2 6 Figure 2 5 Inner 2...

Page 19: ...PCB Layout 2 7 Physical Description Figure 2 6 Bottom...

Page 20: ...1 SW3 0 1I spacing TH 8 way Dil switch Multicomp MCDS08 3 J2 J3 J5 SMB connector vertical PCB MACOM B65N07G999X 1 P1 2 k 3296Y potentiometer Bourns 3296Y 001 202 2 P2 P3 10 k potentiometer Bourns 329...

Page 21: ...istor 1 Multicomp CR10103FT 1 R15 15 k 0805 thick film resistor 1 Multicomp CR10153FT 17 R35 R36 R37 R38 R39 R40 R41 R42 R43 R44 R45 R46 R48 R49 R50 R51 R52 100 k 0805 thick film resistor 1 Multicomp...

Page 22: ...2 10...

Page 23: ...ircuit Description Circuit Description This chapter contains the EVM schematic diagram and discusses the various functions on the EVM Topic Page 3 1 Schematic Diagram 3 2 3 2 Circuit Function 3 6 Chap...

Page 24: ...ibe the EVM circuits Figure 3 1 EVM Schematic Diagram DAC 9 0 PGA 2 0 POWERDOWN IECLAMP BIN2OUT CLAMPDIS AGND 5 V DAC 9 0 PGA 2 0 POWERDOWN IECLAMP BIN2OUT CLAMPDIS DIPS LOGIC IO 9 0 LWR LOEB OVR CLK...

Page 25: ...0 k R39 100 k R40 100 k R46 100 k R45 100 k R44 100 k R43 100 k R42 100 k R41 100 k R52 100 k R51 100 k R50 100 k R49 100 k R48 100 k R26 4 k7 R28 4 k7 R30 4 k7 R32 4 k7 R34 4 k7 R24 4 k7 R22 4 k7 R20...

Page 26: ...R63 39R R65 39R R71 CIO9 CIO8 CIO7 CIO6 CIO5 CIO4 CIO3 CIO2 CIO1 CIO0 CIO 9 0 TP5 TP3 TP4 CCLK COVR LIO0 LIO1 LIO2 LIO3 LIO4 LIO5 LIO6 LIO7 LIO8 LIO9 LIO 9 0 WR1031 OEB4245 OEBLOGIC OEB1031 CIO7 CIO6...

Page 27: ...5 REFTS LNK5 REFSENSE Populate With or For THS1030 CLAMPIN CLAMP R72 UNPOP AGND R73 UNPOP THS1030 OEB Option H8 H9 AGND LOEB OEB R76 10 k DRVDD THS1030 STBY Option H11 H10 AGND DRVDD R75 10 k LWR WR A...

Page 28: ...8 470 pF AGND 3 2 Circuit Function The following paragraphs describe the function of individual circuits Refer to Chapter 4 for jumper configurations for various modes of operation and to the relevant...

Page 29: ...the ADC using potentiometers P2 and P3 respectively The ranges of the external reference signals are REFTS 0 60 V to 2 68 V on a 2 7 V supply and 0 60 V to 4 85 V on a 5 V supply REFBS 0 V to 1 79 V o...

Page 30: ...ed easily on the EVM using the two banks of DIL switches SW3 and SW4 A write operation to the THS1031 is performed as follows 1 Set the DIL switches to the value to be programmed into the THS1031 reg...

Page 31: ...ctions to operate the THS1030 31 in various modes of operation Figures 4 1 to 4 7 depict various modes of operation with Tables 4 1 and 4 2 listing the corresponding jumper settings For further inform...

Page 32: ...REF 0 1 F 10 F 0 1 F 0 1 F REFTF REFBF 1 V AIN 1 V 0 V REFTS REFBS MODE AVDD VREF REFSENSE THS1030 31 Figure 4 2 Common Mode Input VREF 2 2Vp p Input Span top bottom mode A D _ SHA PGA ADC REF 0 1 F 1...

Page 33: ...REF 0 1 F 10 F 0 1 F 0 1 F REFTF REFBF 1 V AIN 2 V 1 V REFTS REFBS MODE AVDD 2 VREF REFSENSE THS1030 31 1 5 V Figure 4 4 External Common Mode Input 2Vp p Input Span center span mode A D _ SHA PGA ADC...

Page 34: ...0 F 0 1 F 0 1 F REFTF REFBF 1 V AIN 1 VPP REFTS REFBS MODE AVDD 2 VREF REFSENSE THS1030 31 COM AVDD 2 Figure 4 6 Differential Input 2Vp p Input Span differential input mode A D _ SHA PGA ADC REF 0 1 F...

Page 35: ...erence Input Span and Bias Set by on Board Reference Circuit potentiometer P2 sets EXT_T potentiometer P3 sets EXT_B A D _ SHA PGA ADC REF 0 1 F 10 F 0 1 F 0 1 F REFTF REFBF 1 V AIN 2 VPP MODE VREF RE...

Page 36: ...y Clamp J 5 J 5 J 5 J 5 J 5 J 5 J 5 THS1031 only Header link H 1 1 2 1 2 2 3 2 3 NO NO 2 3 H 6 1 2 1 2 1 2 1 2 2 3 2 3 1 2 H 7 NO NO NO NO NO NO NO H 8 2 3 2 3 2 3 2 3 2 3 2 3 2 3 H 9 1 2 1 2 1 2 1 2...

Page 37: ...YES YES NO NO YES LINK 15 NO NO NO NO NO NO NO LINK 16 NO NO NO NO NO NO YES Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Table 4 2 Jumper Settings for Clock Options Cl...

Page 38: ...4 8 Modes of Operation...

Page 39: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments THS1031EVM THS1030EVM...

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