Data Sheet - Mouser Electronics
Contents
1. 6 33 IMAXREFDESS 4 CD ARE eiecti rte toe dedu dover 7 9921 Analog Signal 7 8 4 1 555 ule dum uud Uem a 8 4 1 1 Input Selection and 8 4 2 Sampling CONOS podes tu miu 9 picis EE A EE 9 11 42 GQUIMORMAXSZ1IGDACEIVE 12 Hardware 13 5 1 13 90 13 o EB Iur 13 CONTACT informati n CE e 14 FREVISION 15 R2. for operating the MAXSANTAFEEVSYS kit setup If needed copy the MAXREFDES5 and USB2PMB 1 directories from the USB flash drive to your PC to free up a USB port All boards derive power from the USB ports The USB2PMB 1 board includes on board DC DC conversion for providing 3 3V DC to the MAXREFDES5 AFE board or any other 3 3V Pmod Type 2A board To provide external power to the MAXREFDES5 board refer to Application Note 5561 included in the MAXREFDES5 directory and located at www maximintegrated com AN5561 For more information on the Peripheral Module Pmod form factor refer to the Digilent Pmod Interface Specification or visit www DigilentInc com 3 1 MAX5216DACLITE Signal Generator Board Connect one of the provided USB cables between the MAX5216DACLITE board and PC The on board controller presents itself to the PC as a USB HID class device in the Windows Device Manager as shown below and does not require any third party drivers m Display adapters DVD CD ROM drives Mz Human Interface Devices 9 5 HID compliant device dz USB Input Device cg IDE ATA ATAPI controllers IEEE 1394 Bus host controllers 3 2 USB2PMB1 USB Adaptor Board Connect the other provided USB cable between the USB2PMB1 board PC The USB2PMB1 adaptor board includes an FTDI FT2232HL USB controller IC that performs the USB functions and conversion to SPI Upon attaching the USB2PMB1 adaptor board to the PC the Found New Hardware Wizard automa
3. scale the current measured Volt per code Example Calibration Sequence Rev 0 8 AIN2 Gain Cal AIN3 Offset Cal I to AIN3 Single Operation OV AIN3 Gain Cal J5 GND to GND3 Single Operation 2 5V CAU IG SN Input Range Selected Save Settings o wee coco 3 sae J5 GND 001 ee e Single Operation 2 5V 0 with 12V to 12V Single Operation 2 5V ee 2 5V Input Range Selected 6 Save Settings AIN2 Offset Cal J5 OUT to AIN2 single Operation OV LM GND to GND2 Single Operation 2 5 SIN with OV to 6V Single Operation 2 5V Operation 2 5V Input Range Selected 11 MAXSANTAFEEVSYS User Manual 4 2 GUI for MAX5216DACLITE With the MAX5216DACLITE board connected click on the MAX5216DACLite shortcut found in the Start menu The GUI will automatically connect to the MAX5216DACLITE hardware upon initialization This section describes the basic functionality needed to generate test signals for evaluating the MAXREFDES5 design For more information on the MAX5216DACLITE GUI refer to the MAX5216DACLITE data sheet For more information on the MAX5216 Or other evaluation kits for the MAX5216 visit www maximintegrated com MAX5216 7 MAX5216DACLite File Edit Operate Tools Window Help 5216 16 bit precision DAC 79 Single Operation Rising Ramp Falling Ramp Triangl
4. value 1249 5 Ohm 4 20m to Temperature 4mA 100 Slope C m 12 5 SET EET TE FERENCE 126 Save Settings to File Saves the current settings to a local file on the PC This should be done for each valid combination of input channel and range i e Input AINO with Input Range 12V to 12V Offset Offset calibration is done by forcing a OV input voltage or OmA current at the physical input The resulting plot counts value if other than 0 should be entered in the offset digit tab of the calibration window Hit Tab on the keyboard for the value to be applied Volt per Code This option calibrates for gain error and should be adjusted after offset calibration The volt per code calibration is done by forcing a larger magnitude voltage at the input to obtain the code With the MAX5216DACLITE generator this is limited to 3 for best results with the max 3V output move the jumper wire from OUT of J5 to VREF of J4 Hit Tab on the keyboard for the value to be applied VFullScale Input Range 216 1 Read Settings from File Reads the last settings that are in the file and returns the user to the input and calibration values from the last saved settings If one wishes to reset to factory default then the appropriate ini file has to be deleted Shunt Resistor value This option stores the exact value of shunt resistance of the board This optional field allows the user to change the resistance and
5. ROWIRE EEPROM and to the 12 pin connector for 3 3V Pmod Type 2A compatible boards For more information on the USB2PMB1 hardware design or other compatible boards from Maxim go to www maximintegrated com USB2PMB1 For more information on the Peripheral Module Pmod form factor refer to the Digilent Pmod Interface Specification or visit www DigilentInc com Rev 0 13 MAXSANTAFEEVSYS User Manual 6 Contact Information For more information about Maxim Integrated products contact technical support at www maximintegrated com support 7 Trademarks LabVIEW is a registered trademark of National Instruments Corp MICROWIRE is a registered trademark of National Semiconductor Corp Pmod is a trademark Digilent Inc Windows is a registered trademark and registered service mark and Windows XP is a registered trademark of Microsoft Corporation Rev 0 14 MAXSANTAFEEVSYS User Manual 8 Revision History REVISION REVISION PAGES NUMBER DATE CHANGED Rev 0 15 Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery amp Lifecycle Information Maxim Integrated MAXSANTAFEEVSYS
6. V from alternate source or 10V to 10V from alternate source MAXREFDES5 MAXREFDES5 MAX5216DACLITE MAX5216DACLITE Input AIN2 Input AIN3 1V to 3V from DACLITE J5 with JU2 removed OV to 43V from DACLITE J5 or 4 20mA from current source with JU2 installed or OV to 10V from alternate source Rev 0 7 MAXSANTAFEEVSYS User Manual 4 Graphical User Interfaces Before launching the GUI applications make sure the USB2PMB1 and MAX5216DACLITE boards are connected to the PC as described in the previous section 4 1 GUI for MAXREFDES5 With the USB2PMB1 board connected run double click the PMOD GUI application located in the 5 directory Once the window below appears press the Connect PMOD button and verify that the button changes its text to Disconnect PMOD and the status bar at the bottom indicates that the companion board is connected cet foe hee REPRESS Samba Fn T ampla Sample Haie 14500 apa Shas Dirconnect Sample Continous Sampler 0192 PRODR 457 Sepe DO bos ofl smags Hatay Length Budd awerage of 00000 Vit emp PROTEASE GUI Vermeer 111 4 1 1 Input Selection and Configuration While most of the controls in the GUI only adjust the display of information on the screen there are two controls that both adjust the GUI display and configure th
7. and gain for the analog inputs of the MAXREFDES5 board and evaluating the design s measurement performance This application created using Borland C does not require any installation and can be executed directly from the USB flash drive To begin software installation either connect the provided USB flash drive to an available USB port on your PC Or download a zip file of the USB flash drive contents from www maximintegrated com MAXSANTAFEEVSYS and extract to a location on your local hard drive Administrator privileges are required for installing the provided software 2 1 MAX5216DACLite Signal Generator Software Installation Although the Setup exe file located in the DACLITE directory includes the LabVIEW RTE it is recommended to follow the instructions below for best results across different Windows operating systems and user account types 1 Browse to the DACLITE directory found on the USB flash drive or in the extracted directory from the downloaded zip file 2 Run LVRTE SETUP exe to install 2012 32 bit Runtime Engine Do NOT restart or shut down the PC after completion of this installation Choose the Restart Later option when prompted and proceed to step 3 below 3 Run DACLITE SETUP exe after completion of step 2 above 4 Restart the PC when prompted Rev 0 5 MAXSANTAFEEVSYS User Manual 3 Connections This section describes the basic connections with the MAXSANTAFEEVSYS kit Two available USB ports are required
8. art a new waveform until the previous one finishes a full cycle when switching between tabs To stop or start running the signal generator application use the toolbar at the top of the application window 7 MAXS216DACLite File Edit Operate Tools Window Help Hev 0 12 MAXSANTAFEEVSYS User Manual 5 Hardware Description This section provides more information on the hardware design of the three boards including schematics bill of materials and PCB layout files 5 1 MAXREFDES5 The MAXREFDES5 reference design is 4 channel analog front end AFE that accepts 10V to 10V O to 10V and 4 20mA current loop signals The design integrates a 16 bit ADC with innovative on chip attenuation MAX1301 plus low noise high impedance analog buffers MAX9632 on two of the input channels and an ultra high precision 4 096V voltage reference MAX6126 to achieve maximum performance from the 16 bit system 600 digital isolator MAX14850 and 3W transformer driver MAX256 provide the necessary isolated data and power connections to the host system LDO regulators MAX1659 provide regulated 12V 12V and 5V power rails to the analog front end Application Note 5561 REFD5561 provides more information on the design and performance results of the MAXREFDESS reference design Below is a summary of the other hardware design files available on the USB flash drive Application Note 5561 contains the latest li
9. ator board e Two 2 wires with hook clips 1 red and 1 black e Two 2 USB type A male to USB type B mini cables e USB flash drive with documentation GUI applications and USB Drivers e Quick Start Guide print copy 1 3 System Requirements The MAXSANTAFEEVSYS kit only requires use of a PC with the following e Minimum 1GHz processor and 1GB RAM e Minimum 1024 x 768 video display resolution e wo available USB ports e Microsoft Windows 8 Windows 7 Windows Vista or Windows XP amp Rev 0 3 MAXSANTAFEEVSYS User Manual 1 4 Functional Diagram MAX8510 MAX6133 MAX9632 OpAmps VREF 1659 LDO MAX6126 256 Xfmr Driver MAXQ622 MAX5216 Controller 16 bit DAC MAX5216DACLITE USB MAXREFDES5 MAX1301 16 bit ADC MAX14850 Dig Isolator FI2232HL niii USB Controller MAX1556 DC DC USB2PMB1 MAX5216 REFDES5 DACLite GUI PMOD GUI Application Application PC with Windows 8 7 Vista or XP Rev 0 4 MAXSANTAFEEVSYS User Manual 2 Software Installation There are two Windows GUI applications included with MAXSANTAFEEVSYS used for e Generating analog test signals with the MAX5216DACLITE board in order to evaluate the performance of the AFE reference design This application is created using National Instruments LabVIEW The NI LabVIEW Run Time Engine RIE must be installed in order to install and execute the MAX5216DACLITE GUI application e Calibrating the offset
10. e Sine Square wave Staircase DAC Control Slider Number of boards ee eee J connected 0 SS Dee Vi Len jd Trew CP 00 fea TO DORT Td PRSETER HR TET Ue D TET 10000 20000 30000 40000 50000 60000 65535 1 Device Operation er Jio MAXS216Lite 10 Write to DAC SPI Command 0 0 Output Board index VREF 3000 V YREExcode _ 9999 65535 The Single Operation tab sheet is active by default The application checks all the compatible boards connected to the PC and indicates them on the right side of the GUI up to 16 boards can be connected Any possible operation can be evaluated on the Single Operation tab sheet For example move the track bar slider to set the DAC output voltage The DAC Control spin box reflects the slider position with a decimal number The DAC output can also be set by typing in a decimal hexadecimal or an octal or binary value directly in the DAC Control spin box The MAX5216 accepts codes from 0 to 65535 216 1 decimal or from 0 to FFFF hex The notation is displayed on the left side of the box and can be changed by clicking on the notation character i D 0 0062 55 lt Decimal Hex Octal Binary 1 0 0 SI Notation The Rising Ramp Falling Ramp Triangle Sine Square wave or Staircase tab sheets give the DAC the ability to generate different waveforms with the selected parameters There is a possible delay to st
11. e MAX1301 ADC device used in the MAXREFDES5 design These controls send a command to the MAX1301 indicating which input to sample and the full scale range FSR for that input The recommended combinations for the MAXREFDES5 hardware design are shown in the left two columns of the table below For reference the respective channel select bits C 2 0 and range select bits R 2 0 are also provided along with the full scale range BOARD ADC INPUT MAX1301 INPUT INPUT RANGE CONFIGURATION C 2 0 000 4 ma 12V to 12V R 2 0 111 FSR 6 x VREF C 2 0 001 am oV 12V to 12V R 2 0 111 FSR 6x VREF C 2 0 010 OV to 6V R 2 0 011 FSR 3 X Vner 2 2 0 011 o OV to 12V R 2 0 110 FSR23x VREF Rev 0 8 MAXSANTAFEEVSYS User Manual 4 1 2 Sampling Controls The GUI provides the user with two options for the sampling of data from the MAXREFDES5 The Sample button captures a discrete number of samples as selected in the No of Samples drop down menu and displays the results To start continuously collecting and displaying measurement data press the Sample Continuously button When enabled the button changes its text to Stop Sampling In this mode the No of Samples value determines the time base for displayed results For best GUI performance do not set the No of Samples above 16384 Sample Sample Rate 1 14500 d amp of Samples 8132 The Sample Rate drop down selection allows the user to c
12. ev 0 2 MAXSANTAFEEVSYS User Manual 1 Introduction The MAXSANTAFEEVSYS kit allows users to quickly demonstrate and evaluate the functionality of the MAXREFDES5 4 channel analog front end AFE reference design without the need for a bench power supply signal generator equipment or Xilinx development kit The reference design board connects to a PC through an included USB to SPI adaptor that provides both power and data communication to the board To test the AFE reference design a USB powered signal generator board utilizing one of Maxim s digital to analog converters DACs is also included Windows based graphical user interfaces GUIs communicate with the boards for generating various analog signal test patterns and simplified access to AFE measurement data USB to SPI adaptor board 16 bit 4 channel AFE reference design board CAAT 7334737 ONT 071 SANTA FE MAXRE f 9 Accuro A XT Test clips USB cable USB cable USB powered signal generator board 1 1 Ordering Information PART DESCRIPTION MAXSANTAFEEVSYS Bundled kit for PC evaluation of MAXREFDESS5 4 Ch AFE Denotes a ROHS compliant device that may include lead that is exempt under the ROHS requirements 1 2 Package Contents The MAXSANTAFEEVSYS kit includes the following MAXREFDES5 4 channel AFE board e USB2PMB1 USB to Pmod Type 2A adaptor board e MAX5216DACLITE signal gener
13. hoose the sample rate or the number of conversions initiated by the GUI per second The max allowable sample rate is determined by the MAX1301 device 4 1 3 Results The real time scope on the left side of the GUI represents the measured data with No of Samples used for the x axis as described in the section above This section describes the rest of the GUI display controls which execute no control or command of the MAX1301 device Sample Sample Rate 114500 sps 6 que pM Stop sampling No of Samples 1111 Using PHOD332211 Plots in Windows AutoScale VOLTAGE REF MAX612 DATA ISOLATION MAX14850 75770 c ru 2000 000 600 8000 samples History Length 256 POWER ISOLATION REGULAT POWEF Show History of average MAX165 9 Build average of all samples 23334 Plot PlotCounts C Plot Volts PlotCurrent C PlotTemp 1 Scope Histogram This tab allows the user to choose between the Scope plot with configurable x and y axis or the Histogram plot with the ADC code on the x axis and the number of occurrences on the y axis 2 Show History of average Checking this option allows the user to view entire data in history up to the history length selected in the History Length drop down menu 3 Averaging A Build average of drop down menu is also provided for the number of discrete samples to average for each dis
14. maxim integrated MAXSANTAFEEVSYS User Manual Rev 0 5 14 For pricing delivery and ordering information please contact Maxim Direct at 1 888 629 4642 or visit Maxim Integrated s website at www maximintegrated com Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product No circuit patent licenses are implied Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time 2014 Maxim Integrated Products Inc Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products Inc MAXSANTAFEEVSYS User Manual Table of Contents 3 1 1 Ordering RED o 3 1 2 Package Conen ahaa EO EE De duh eu e uix DEN 3 122 3 1 4 FUNCHONAL DIEGKaM is dudsarsscctheracedathantalanieer iebnncadshaceasdnticatdiatcuuv dabhawsaetheaesedthaatatatiesans 4 ATION ee e 5 2 1 MAX5216DACLite Signal Generator Software 5 DUM 6 3 1 MAX5216DACLITE Signal Generator 2 6 322 USB2ZPMBT
15. nks to hardware design Files USB Flash Drive Application Note 5561 v Bill of Materials PCB Source Files Schematics PDF Layout PDF Layout Gerber 6 UN 5 2 MAX5216DACLITE The MAX5216DACLite board utilizes a low power 16 bit DAC MAX5216 with a precise 3 000V voltage reference MAX6133 that provides a low noise and low dropout reference for the DAC The MAX5216 receives commands from the 16 bit MAXQ622 microcontroller through a 3 wire high speed SPI bus The MAX5216 can run at 50MHz clock frequency but the SPI bus speed is limited to 6MHz on this board by the microcontroller The devices are powered by a MAX8510 low noise voltage regulator which gets power from the USB port and produces a fixed VDD level of 3 3V The above limitations are reflected by the suffix Lite in the name of the board For more information on the MAX5216DACLITE including board modifications refer to the MAX5216DACLITE data sheet For more information on the MAX5216 other evaluation kits for MAX5216 go to www maximintegrated com MAX5216 5 3 USB2PMB1 The USB2PMB1 board uses the FT2232HL a USB 2 0 High Speed 480Mb s to UART FIFO IC to process commands sent by a GUI application running on the PC The design integrates a 4K MICROWIRE compatible serial EEPROM 93LC66BT and a low power 1 2 PWM step down DC DC converter MAX1556 for generating 3 3V VCCIO from the 5V USB supply VCCIO provides power to the FTDI chip the 4k MIC
16. played data point Rev 0 9 MAXSANTAFEEVSYS User Manual 4 Plot View Options i Plot Counts This option plots the ADC code itself on the Y axis with the number of samples on the x axis ii Plot Volts This option plots the converted Voltage value iii Plot Current Plots the current measured across the 2500 shunt resistance on the AIN2 input iv Plot Temp Reserved for future use 5 Scope Options Holding the mouse cursor over the top right corner of the Scope or the Histogram plot will display the plot settings options available to the user which includes Play Pause Zoom in out Pan Print Save and waveform settings 6 Plot in Windows This pushbutton allows user to view the following displays in separate windows l ADC Code of the current reading measurement Histogram Measurement Histogram Ocurrence wo oo 4 N co 4 79 79 o o Hev 0 10 MAXSANTAFEEVSYS User Manual 4 1 4 Calibration For precision results it is recommended to calibrate the MAXREFDESS5 hardware using the function provided with the GUI Calibration parameters for each combination of input channel and input range are stored in a local file in the GUI directory on the PC Press the Calibration button to open a window with the calibration parameters ie 7 REFDESS Calibration VoltperCode 3 1552734 5 Volt digit Offset 0 digit Shunt Resistor
17. tically launches and installs the appropriate driver files if already located on your PC If your PC does not find the FTDI driver files on its local hard disk drive locate and reference the USB2PMB1 CDM v2 10 00 WHQL Certified subdirectory to install FTDI s D2XX driver Multiple drivers will be installed before it is ready to use To verify proper installation one should see two USB Serial Converters A and B in the Device Manager as shown below System devices _ Universal Serial Bus controllers Generic USB Hub m USB Root Hub d USB Serial Converter A lg USB Serial Converter Rev 0 6 MAXSANTAFEEVSYS User Manual 3 3 MAXREFDESS5 4 Ch AFE Board Connect the MAXREFDES5 board to the USB2PMB1 adaptor Both connectors should be on the same side of the PCB when mated together as shown below 3 3 1 Analog Signal Connections The following table summarizes the different connection options for the MAXSANTAFEEVSYS kit Note the input range of the MAXREFDESS5 analog inputs exceeds the output capabilities of the MAX5216DACLITE board included with the kit For testing input AIN2 with a voltage source a jumper JU2 should be removed to disconnect the on board sense resistor Jumper JU1 on AIN2 is provided for optional connection to a reference ammeter MAXREFDES5 MAXREFDES5 MAX5216DACLITE MAX5216DACLITE Input AINO Input AIN1 OV to 3 from DACLITE J5 OV to 3 from DACLITE J5 or 10V to 10
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