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EVAL-AD7124-4SDZ User Guide 

UG-855 

 

Rev. 0 | Page 29 of 29 

NOTES 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

I

2

C refers to a communications protocol originally developed by Philips Semiconductors (now NXP Semiconductors). 

 

 

 

ESD Caution  
ESD (electrostatic discharge) sensitive device

. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection 

circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality. 

Legal Terms and Conditions 

By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions 

set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you 
have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc. 

(“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal, 

temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided 

for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional 
limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term 

“Third Party” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including 

ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer may 

not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to 
promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any 

occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board. 

Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice 

to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS” AND ADI MAKES NO 
WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT. ADI SPECIFICALLY DISCLAIMS ANY REPRESENTATIONS, ENDORSEMENTS, GUARANTEES, OR WARRANTIES, EXPRESS OR IMPLIED, RELATED 

TO THE EVALUATION BOARD INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, TITLE, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF INTELLECTUAL 

PROPERTY RIGHTS. IN NO EVENT WILL ADI AND ITS LICENSORS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER’S POSSESSION OR USE OF 
THE EVALUATION BOARD, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DELAY COSTS, LABOR COSTS OR LOSS OF GOODWILL. ADI’S TOTAL LIABILITY FROM ANY AND ALL CAUSES SHALL BE LIMITED TO THE 

AMOUNT OF ONE HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will comply with all applicable 

United States federal laws and  regulations relating to exports. GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of 

Massachusetts (excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts, and Customer hereby 
submits to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed.

 

©2015  Analog Devices, Inc. All rights reserved. Trademarks and  
 registered trademarks are the property of their respective owners. 
  

UG13304-0-7/15(0)  

 

Summary of Contents for EVAL-AD7124-4SDZ

Page 1: ...onstration Platform DC signal source USB cable PC running Windows with USB 2 0 port GENERAL DESCRIPTION The EVAL AD7124 4SDZ evaluation kit features the AD7124 4 24 bit low power low noise analog to digital converter ADC A 7 V to 9 V external supply is regulated to 3 3 V to supply the AD7124 4 and to support all necessary components The EVAL AD7124 4SDZ board connects to the USB port of the PC via...

Page 2: ... Hardware 5 Device Description 5 Hardware Link Options 5 Power Supplies 7 Serial Interface 7 Analog Inputs 7 Reference Options 8 Evaluation Board Setup Procedures 8 Evaluation Board Software 9 Software Installation Procedures 9 Software Operation 12 Configuration Tab 12 Wavefrom Tab 14 Histogram Tab 16 Register Map Tab 17 Noise Test Quick Start Demonstration 18 Evaluation Board Schematics and Artw...

Page 3: ...URNOUT DETECT EXCITATION CURRENTS POWER SWITCH GPOs CHANNEL SEQUENCER CROSSPOINT MUX REGCAPA AVDD 1 9V LDO DIAGNOSTICS AVDD AVSS AVSS DOUT RDY CS 1 8V LDO ANALOG BUFFERS REFERENCE BUFFERS BUF BUF PGA2 PGA1 AIN2 IOUT VBIAS P1 AIN3 IOUT VBIAS P2 AIN4 IOUT VBIAS AIN5 IOUT VBIAS AIN6 IOUT VBIAS REFIN2 13304 001 AIN0 IOUT VBIAS ON BOARD NOISE TEST AIN0 TO AIN1 AIN1 IOUT VBIAS AIN7 IOUT VBIAS REFIN2 NOT...

Page 4: ...r using the plastic screw and washer set included in the evaluation board kit to ensure that the boards are connected firmly together 4 Apply an external voltage in the range of 7 V to 9 V to the J3 or J5 connecter of the EVAL AD7124 4SDZ board This provides the power supply for the board 5 Connect the EVAL SDP CB1Z board to the PC using the supplied USB cable If you are using Windows XP you may n...

Page 5: ... 5 V Selects the reference source for the ADC In Position 2 5 V REFIN1 is connected to the external 2 5 V reference ADR4525 In Position INT REF REFIN1 is connected to the REFOUT pin of the AD7124 4 The internal reference of the AD7124 4 can be enabled and applied to the AD7124 4 external to the ADC LK5 Inserted This link shorts AIN0 to AIN1 This is useful for performing noise tests on the AD7124 4...

Page 6: ... J11 Analog input connector Connections to AIN6 to AIN7 are available along with REFIN1 and analog power supply connections This connector can be used to connect a load cell to the AD7124 4 J12 6 pin connector Provides an I2 C interface to allow the SDP to interface to a digital temperature sensor This is required if a thermocouple is interfaced to the AD7124 4 using Connector A2 J13 7 pin connect...

Page 7: ...imary signals CS SCLK DIN and DOUT RDY all are inputs except for DOUT RDY which is an output To operate the EVAL AD7124 4SDZ in standalone mode the AD7124 4 serial interface lines can be disconnected from the 120 pin header by removing the 0 Ω links R9 through R13 The test points can then be used to fly wire the signals to an alternative digital capture setup ANALOG INPUTS The EVAL AD7124 4SDZ pri...

Page 8: ...LUATION BOARD SETUP PROCEDURES After following the instructions in the Software Installation Procedures section set up the evaluation and SDP boards as detailed in this section Warning The evaluation software and drivers must be installed before connecting the evaluation board and EVAL SDP CB1Z board to the USB port of the PC to ensure that the evaluation system is correctly recognized when it is ...

Page 9: ...SB port of the PC insert the installation CD into the CD ROM drive 2 Double click the setup exe file to begin the evaluation board software installation The software installs to the following default location C Program Files Analog Devices AD7124 EVAL 3 A dialog box appears asking for permission to allow the program to make changes to your PC Click Yes 13304 005 Figure 5 AD7124 4 EVAL Software Ins...

Page 10: ...nstalling the EVAL SDP CB1Z System Demonstration Platform Board Drivers After the installation of the evaluation software is complete a welcome window displays for the installation of the SDP board drivers 1 With the EVAL SDP CB1Z board still disconnected from the USB port of the PC make sure that all other applications are closed and then click Next 13304 010 Figure 10 EVAL SDP CB1Z Drivers Setup...

Page 11: ...are Wizard to run after the EVAL SDP CB1Z board is plugged into your PC If you are using Windows XP you may need to search for the EVAL SDP CB1Z drivers Choose to automatically search for the drivers for the EVAL SDP CB1Z board if prompted by the operating system 2 Check that the board is connecting to the PC correctly using the Device Manager of the PC 3 Access the Device Manager as follows a Rig...

Page 12: ...n list as shown in Figure 19 13304 019 Figure 19 EVAL AD7124 4SDZ Evaluation Board Selection After selecting the EVAL AD7124 4SDZ evaluation board the main window of the evaluation software displays as shown in Figure 20 Figure 20 shows the significant control buttons and analysis indicators of the AD7124 4 EVAL Software The main window of the AD7124 4 EVAL Software contains four tabs Configuratio...

Page 13: ...Clicking CONFIG SUMMARY Label 7 displays the channel configuration information on the individual setups as well as information on any error present These tabs can be used to quickly check how the ADC channels are configured as well as any errors that are present Demo Modes The AD7124 4 EVAL Software supports a number of demo modes Label 8 these demo modes configure the AD7124 4 for each of the mod...

Page 14: ...o shows the analog inputs for the channel labeled next to the on and off controls These controls only affect the display of the channels and have no effect on the channel settings in the ADC register map Display Units and Axis Controls Click the Display Units drop down list Label 8 to select whether the data graph displays in units of voltages or codes This control affects both the waveform graph ...

Page 15: ...EVAL AD7124 4SDZ User Guide UG 855 Rev 0 Page 15 of 29 13304 021 1 2 3 4 8 10 9 5 7 6 Figure 21 Waveform Tab of the AD7124 4 EVAL Software ...

Page 16: ...ay Units drop down list Label 4 to select whether the data graph displays in units of voltages or codes This control affects both the waveform graph and the histogram graph The axis controls can be switched between dynamic and fixed When dynamic is selected the axis automatically adjusts to show the entire range of the ADC results after each batch of sample When fixed is selected the user can prog...

Page 17: ...cking the bits that are to be changed Clicking any of the individual bit changes that bit from 1 to 0 or 0 to 1 depending on the initial state of the bit The register value can also be changed by writing the hex value to the input field on the right hand side of the individual bits Bitfields The individual bitfields of the selected register are shown in the Bitfields section Label 4 In this sectio...

Page 18: ...read when SAMPLE is clicked with the batch size being set by the value in the Samples box b When the drop down box is set to Continuous Run the software performs a continuous capture from the ADC when SAMPLE is clicked c Click Stop to stop streaming data 2 Use the navigation tools within each graph to control the cursor zooming and panning Waveform The waveforms resulting from the gathered samples...

Page 19: ...olts Parameters such as peak to peak noise and rms noise are displayed in the Analysis Results section for the current batch of samples The conversion data can be saved in a text file from the File at menu To save the data into an Excel file right click the histogram graph and select Export Data from the drop down list that appears A Save dialog box displays prompting the user to save the data to ...

Page 20: ...UG 855 EVAL AD7124 4SDZ User Guide Rev 0 Page 20 of 29 EVALUATION BOARD SCHEMATICS AND ARTWORK 13304 026 Figure 26 Schematic ...

Page 21: ...EVAL AD7124 4SDZ User Guide UG 855 Rev 0 Page 21 of 29 13304 027 Figure 27 Schematic Power Supply ...

Page 22: ...UG 855 EVAL AD7124 4SDZ User Guide Rev 0 Page 22 of 29 13304 028 Figure 28 Schematic Regulators ...

Page 23: ...EVAL AD7124 4SDZ User Guide UG 855 Rev 0 Page 23 of 29 13304 029 Figure 29 Schematic SDP ...

Page 24: ...UG 855 EVAL AD7124 4SDZ User Guide Rev 0 Page 24 of 29 13304 030 Figure 30 Top Printed Circuit Board PCB Silkscreen ...

Page 25: ...EVAL AD7124 4SDZ User Guide UG 855 Rev 0 Page 25 of 29 13304 031 Figure 31 Layer 1 Component Side 13304 032 Figure 32 Layer 2 Ground Plane ...

Page 26: ...UG 855 EVAL AD7124 4SDZ User Guide Rev 0 Page 26 of 29 13304 033 Figure 33 Layer 3 Power Ground Plane 13304 034 Figure 34 Layer 4 Component Side ...

Page 27: ...3 Avago Tech HSMC C191 FEC 855 8528 D4 LED SMD green OSRAM LGQ971 Digikey 475 1409 1 ND D5 Diode Zener 0 5 W 5 1 V BZT52 Vishay BZT52B5V1 V GS08 FEC 161 7767 GND GN1to GND6 MCLK REF REF REFOUT S1to S8 S1 to S8 TDIN TDIN1 TDOUT TDOUT1 TSCLK TSCLK1 TSYNC TSYNC1 T CS T CS1 Test point not inserted keep hole clear of solder N A N A Do not insert J1 120 way connector 0 6 mm pitch Hirose FX8 120S SV 21 F...

Page 28: ...sert R33 R34 R39 R47 R81 to R84 R87 R89 Resistor 0603 0 Ω 1 Vishay Draloric CRCW06030000Z0EA FEC 146 9739 R42 to R45 Resistor thick film 10 kΩ 62 5 mW 5 Yageo RC0402JR 1310KL FEC 179 9316 R49 to R52 Resistor 1206 0 Ω 5 Multicomp MC 0 125W 1206 0R FEC 933 6974 R53 Resistor 0402 27 kΩ 1 Multicomp MC 0 0625W 0402 1 27K FEC 135 8081 R54 Resistor thick film 4 53 kΩ 63 mW 1 Vishay Dale CRCW04024K53FKED ...

Page 29: ...ose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer may not disassemble decompile or reverse engineer chips on the Evaluation Board Customer shall inform ADI of any occurred damages or ...

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