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Bill of Materials, PCB Layout, and Schematics

16

SBAU247A – June 2015 – Revised September 2019

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Copyright © 2015–2019, Texas Instruments Incorporated

TLV2553EVM-PDK Evaluation Module

Figure 14. TLV2553EVM PCB Layer 1: Top Layer

Figure 15. TLV2553EVM PCB Layer 2: GND Plane

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Содержание TLV2553EVM

Страница 1: ...oximation register SAR analog to digital converter ADC that features an 11 channel analog input multiplexer and a serial SPI digital output interface The EVM eases the evaluation of the TLV2553 device...

Страница 2: ...ut Signal Path Schematic Single Channel 4 2 Onboard Reference Signal Path 5 3 TLV2553EVM Default Jumper Settings 6 4 TLV2553 Software Installation Prompts 7 5 Device Driver Installation 8 6 LabVIEW Ru...

Страница 3: ...USB cable that is required for system setup 1 1 TLV2553EVM PDK Features Includes hardware and software required for diagnostic testing as well as accurate performance evaluation of the TLV2553 ADC No...

Страница 4: ...the 1 M resistors to ensure safe and predictable operating conditions on the board even when the inputs are left floating Of course the tradeoff with this approach is that the EVM analog input impeda...

Страница 5: ...n 1 the EVM interfaces with the PHI that in turn communicates with the computer over USB There are two devices on the EVM with which the PHI communicates the ADC over SPI and the EEPROM over I2 C The...

Страница 6: ...uses the 5 V supply out of a switching regulator on the PHI to generate a much cleaner 5 V output The power supply for each active component on the EVM is bypassed with a ceramic capacitor placed clos...

Страница 7: ...4 pins with external voltage sources Doing so may cause damage to the onboard sources 5 3 EVM Graphical User Interface GUI Software Installation The following steps describe how to install the softwar...

Страница 8: ...the TLV2553EVM GUI installation a prompt with a device driver installation wizard shown in Figure 5 appears on the screen Click the Next button to proceed then click the Finish button when the instal...

Страница 9: ...ed TLV2553EVM PDK Evaluation Module The device requires the LabVIEW run time engine Figure 6 and may prompt for the installation of this software if not already installed Figure 6 LabVIEW Run Time Eng...

Страница 10: ...rd is not required to boot up the TLV2553EVM PDK with the PHI 2 Connect the TLV2553EVM to the PHI and install the two screws as indicated in Figure 8 3 Use the USB cable provided to connect the PHI to...

Страница 11: ...at control are not supported Figure 10 identifies the input parameters of the GUI as well as their default values through which the various functions of the TLV2553 can be exercised These are global s...

Страница 12: ...e specified reference voltage In addition raw data can be exported to a text file as shown in Figure 11 Figure 11 Multichannel Acquisition and Data Export Options 6 3 Histogram Tool Noise degrades ADC...

Страница 13: ...ow noise dc voltage sources the ADC RMS output noise is dominated by the intrinsic thermal noise of the TLV2553 itself which is generally less than 1 LSB RMS As a result Equation 2 produces a value of...

Страница 14: ...imately 0 5 dBFS or approximately 95 FSR to avoid input clipping The sampling rate of the ADC can be adjusted by modifying the Target Sampling Rate Hz argument which is a global setting it affects all...

Страница 15: ...EEL 5MM QTH 030 01 F D A 1 J1 SAMTEC INC CONN HEADER 60POS 0 5MM SMT TSW 114 07 G D 1 J2 SAMTEC INC VA CONN HEADER 28POS 100 DL GOLD SSW 110 23 F D 2 J3 J4 SAMTEC CONN RECEPTACLE 20 POS 100 TSW 102 07...

Страница 16: ...com 16 SBAU247A June 2015 Revised September 2019 Submit Documentation Feedback Copyright 2015 2019 Texas Instruments Incorporated TLV2553EVM PDK Evaluation Module Figure 14 TLV2553EVM PCB Layer 1 Top...

Страница 17: ...s 17 SBAU247A June 2015 Revised September 2019 Submit Documentation Feedback Copyright 2015 2019 Texas Instruments Incorporated TLV2553EVM PDK Evaluation Module Figure 16 TLV2553EVM PCB Layer 3 Power...

Страница 18: ...CB Layout and Schematics www ti com 18 SBAU247A June 2015 Revised September 2019 Submit Documentation Feedback Copyright 2015 2019 Texas Instruments Incorporated TLV2553EVM PDK Evaluation Module Figur...

Страница 19: ...in the current version Changes from Original June 2015 to A Revision Page Changed TLV2553EVM PDK board image 1 Changed SDCC to PHI throughout document 3 Deleted all references to microSD memory card f...

Страница 20: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Страница 21: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Страница 22: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Страница 23: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Страница 24: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Страница 25: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

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