Datasheet
Table Of Contents
- XTR108EVM-USB Evaluation Board and Software Tutorial
- 1 Overview
- 2 Hardware Overview
- 3 Hardware Setup
- 3.1 Electrostatic Discharge Warning
- 3.2 Connecting the Hardware
- 3.3 Connecting Power and USB to the USB DAQ Platform
- 3.4 Connecting Loop Power Supply to the XTR108EVM-USB Interface Board
- 3.5 Connecting Outputs to a Digital Multimeter (DMM)
- 3.6 USB DAQ Platform Default Jumper Settings
- 3.7 XTR108EVM-USB Interface Board Default Jumper Settings
- 3.8 XTR108EVM-USB Sensor Board Default Jumper Settings
- 4 Software Setup
- 5 Software Overview
- 6 General Operating Tips
- 7 Hardware Documentation
- 8 Appendix
- Important Notices

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Hardware Documentation
Table 29. XTR108EVM-USB Sensor Board Bill of Materials
Qty Value Ref Des Description Vendor Part Number
1 0.1µF C1 CAP CER .10UF 25V X7R 10% 0603 TDK Corporation C1608X7R1E104K
1 220pF C8 CAP CER 220PF 50V X7R 10% 0603 TDK Corporation C1608X7R1H221K
1 2.2µF C9 CAP CER 2.2UF 16V Y5V 0603 TDK Corporation C1608Y5V1C225Z
3 10000pF C10, C11, CF CAP CER 10000PF 100V X7R 10% 0603 TDK Corporation C1608X7R2A103K
1 1000pF C12 CAP CER 1000PF 50V 10% X7R 0603 Murata Electronics GRM188R71H102KA01D
1 330pF C13 CAP CERAMIC 330PF 50V NP0 0603 Yageo CC0603JRNP09BN331
1 49.9kΩ R1 RES 49.9K OHM 1/10W 1% 0603 SMD Panasonic - ECG ERJ-3EKF4992V
3 100Ω R2-R4 RES 100 OHM 1/10W 1% 0603 SMD Panasonic - ECG ERJ-3EKF1000V
1 10kΩ R5 RES 10.0K OHM 1/10W 1% 0603 SMD Panasonic - ECG ERJ-3EKF1002V
3 0Ω R7-R9 RES 0.0 OHM 1/10W 5% 0603 SMD Yageo RC0603JR-070RL
1 36.5kΩ R10 RES 36.5K OHM 1/10W 1% 0603 SMD Panasonic - ECG ERJ-3EKF3652V
1 30.1kΩ R11 RES 30.1K OHM 1/10W 1% 0603 SMD Panasonic - ECG ERJ-3EFK3012V
1 549Ω RCM RES 549 OHM 1/10W 1% 0603 SMD Panasonic - ECG ERJ-3EKF5490V
1 34kΩ RLIN RES 34K OHM 1/16W .5% 0603 SMD Susumu Co Ltd RR0816P-3402-D-52C
1 12.1kΩ RSET RES 12.1K OHM 1/16W .5% 0603 SMD Susumu Co Ltd RR0816P-1212-D-09C
1 6.34kΩ RVI RES 6.34K OHM 1/16W .5% 0603 SMD Susumu Co Ltd RR0816P-6341-D-78H
1 100.0Ω RZ1 RES 100 OHM 1/10W .1% 0603 SMD Panasonic - ECG ERA-3AEB101V
0 OMIT RZ2-RZ5, RL, R6, C2-C7 Omit; not installed N/A N/A
1 1SS355TE-17 D1 DIODE SWITCH 90V 100MA SOT-323 Rohm Semiconductor 1SS355TE-17
1 BAV99 D2 DIODE SWITCH SS DUAL 70V SOT323 ON Semiconductor BAV99RWT1G
2 Ferrite F1, F2 FERRITE 300MA 600 OHM 0603 SMD Laird-Signal Integrity Products HZ0603C601R-10
1 NFET Q1 MOSFET, N CHANNEL, DEPLETION MODE Supertex DN2540N8
1 XTR108 U1 IC 4-20MA 2-WIRE TRNSMTR 24-QSOP Texas Instruments XTR108EA
1 25C040/SN U2 IC EEPROM 4KBIT 3MHZ 8SOIC Microchip Technology 25C040/SN
1 SN74LVC1G04 U3 IC SINGLE INVERTER-GATE SC-70 Texas Instruments SN74LVC1G04DCKT
9 Pin Socket RZ1-RZ5, RCM, RLIN, RSET CONN SOCKET RCPT .014-.026 30AU Tyco Electronics 5050863-5
2 3-pin Terminal J1, J5 TERMINAL BLOCK 5MM 3POS On Shore Technology Inc ED300/3
1 DSUB15M J2 CONN DB15 MALE .318" R/A NICKEL Norcomp Inc 182-015-113R531
2 2-pin Terminal J3, J4 TERMINAL BLOCK 5MM 2POS On Shore Technology Inc ED300/2
REFout, REFin, R_set, SCK, CS1, CS2, SDIO, Vcc, Io, Vgate,
29 TP Cut to Size GND1-GND6, Iin, Vo, V/I-0 to V/I-5, R_lin, Cfilter, OPA In+, CONN. HEADER .100 SNGL 1POS Samtec TSW-101-07-G-S
OPA In–, OPAout
HEADER, 3 POSITION, SINGLE ROW, GOLD,
8 3-position Jumper JMP1-JMP8 Samtec TSW-103-07-G-S
0.100"
8 Jumper Shunts JMP1-JMP8 JUMPER SHORTING UNITS Tyco Electronics 881545-2
4 Screws N/A SCREW MACHINE PHILLIPS 4-40X3/8 B&F Fastener Supply PMS 440 0038 PH
4 Standoffs N/A STANDOFF HEX 4-40THR ALUM .500"L Keystone Electronics 2203
51
SBOU123–March 2012 XTR108EVM-USB Evaluation Board and Software Tutorial
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