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ANALOG DEVICES UG-395 handbook

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2. Y sa gt Ca s L2 I NOLID3NNOO LINY f gt VOl M vas gt EE anto snot Tuaav a ru s5s ns T LO 1 10 DIDO vas Rev 0 Page 12 of 16 Jjnro anot zl am DO C gt _ r amp yd 4 2 B ini ao 88 4 oav q c T 5 5 sia 2 lt 1353 5 21501 vir orzwuaeszsav en Rev 0 GRA EVAL AD5258 9DBZ m O Figure 18 Layer 2 Side PCB Drawing Rev 0 Page 13 of 16 10623 016 10623 017 10623 018 ORDERING INFORMATION BILL OF MATERIALS Table 7 Motherboard Qty Reference Designator Description Supplier Part Number 3 BUF 3 BUF 4 BUF W1 2 pin 0 1 pitch header and shorting shunt FEC 1022247 and 150 411 3 A6 A7 A8 3 pin SIL header and shorting link FEC 1022248 and 150410 5 A5 A9 A10 A11 A12 6 pin 3 x 2 0 1 header and shorting block FEC 148 535 and 150 411 36 pin strip 1 J1 3 pin terminal block 5 mm pitch FEC 151790 2 J7 J8 4 pin SIL header FEC 1098035 1 34 Receptacle 0 6 mm 120 way Digi Key H1219 ND 1 J10 8 pin inline header 100 mil centers FEC 1098038 1 J5 12 pin 2 x 6 0 1 pitch header FEC 1098051 2 12 13 2 pin terminal block 5 mm pitch FEC 151789 17 RI R3 R6 R7 R8 R9 R
3. Z PAR Di9 SPORT DR2 59 R4 TZI PAR 016 SPORT DT2 34 Hirurak Future USE pyTURE BO 8 FUTURE FUTURE 53 EF FUTURE FUTURE 4 LED SH FUTURE FUTURE S BSI FUTURE FUTURE RS 5 54 FUTURE FUTURE ST 0900 BLACKFIN DB FEMALE CONNECTOR 2 ADP3303 3 3 8 t Cu ce gt I c7 O F DGND Figure 9 SDP Connector and Power Supply Rev 0 Page 8 of 16 10623 009 O10 z901 a PA NIV9 901 0003Sd ONY YVANIT HLIM ONILYSANI NON ANY ONILYSANI YVINIT 1N30N3d30 a mu ecu ONILUBANI NON 9v NILYJANI PNAN er zra za NIA 10990 t 29 81980 3 gt AN 8v 2 SSA i NOV 9 qissod 50 650 9 sdV2 E zuvelgeay I n Qo T LM 5 ES 1 4 OV SSA ZHML JUL 4 2 4 wily 912 v en AEE Q3 Lh 5018 OV as T ANN aan yvZS980V M8 OVO ONILVOTS OVE 4 04 440 9491 1d Z 1 0 9 ZHOZ Figure 10 Schematic of Test Circuits Rev 0 Page 9 of 16 l 48 1 48 2 Y J8B 3 UtRDAC 48 4 105 J8 5 F INDEP
4. Rev 0 Page 3 of 16 TEST CIRCUITS The EVAL AD5273DBZ and EVAL MB LV SDZ incorporate several test circuits to evaluate the performance of the AD5273 DAC The RDAC can be operated as a digital to analog converter DAC as shown in Figure 2 Figure 2 DAC 10623 002 Table 5 shows the options available for the voltage references The output voltage is defined in Equation 1 Vour 7 V4 Vg x where RDAC 1 RDAC is the code loaded in the RDAC register V is the voltage applied to the A terminal A9 link V is the voltage applied to the B terminal A10 link However by using the R34 and R35 external resistors the user can reduce the voltage of the voltage references In this case use the Al and B1 test points to measure the voltage applied to the A and B terminals and recalculate V and V in Equation 1 AC Signal Attenuation The RDAC can be used to attenuate an ac signal which must be provided externally using the AC INPUT connector as shown in Figure 3 Table 5 DAC Voltage References 10623 003 Figure 3 AC Signal Attenuator Depending on the voltage supply rails and the dc offset voltage of the ac signal various configurations can be used as described in Table 4 Table 4 AC Signal Attenuation Link Options Link Options Conditions A9 AC No dc offset voltage AC signal is outside the voltage supply rails due to the dc offset voltage DC offset voltage
5. J7 1 N wo I I I I DGND rn nr PI co gt gt J5 1 J5 3 J5 5 J5 7 J5 9 J5 11 Figure 11 Schematic of Connectors to Daughter Board Rev 0 Page 10 of 16 10623 011 ANAL OG DEVICES EVAL MB LV SDZ 5 R23 T hs Bb D 2 tom L a EXT J2 L2 Di R4 cu Rev 0 BUF WI VLOGIC DGND R21 L Figure 14 Layer 2 Side PCB Drawing Rev 0 Page 11 of 16 10623 012 10623 013 10623 014 910 2901 DAUGHTER BOARD SISO 61 IDOA STY anov NOLLO3 LOtld dWvdO ze gt Q 9 C zm _ o troc1A m Ez N a m Figure 15 Schematic of Daughter Board lt r q aqA M SSA gt F zm zv ys 9 4 8 3t v 1as gt 58 ezt em oas gt 9t YOLVNNALLV ova 9 llwy 2NAS 9 4
6. 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
7. 10 R11 R12 R13 SMD resistor 0 0 01 0603 FEC 9331662 R20 R22 R23 R34 R35 R42 R43 1 R2 SMD resistor 2 2 kQ 0 01 0603 FEC 1750676 1 R41 SMD resistor 1 7 kQ 1 0603 FEC 1170811 1 R21 Resistor surge 1 6 1 0603 FEC 1627674 1 R38 SMD resistor 2 7 kQ 1 0603 FEC 1750678 1 R14 SMD resistor 100 O 1 0603 FEC 9330364 1 R4 SMD resistor 1 kO 0 01 0603 FEC 9330380 3 R5 R25 R26 SMD resistor 100 1 0603 FEC 9330402 5 R15 R16 R17 R18 R19 SMD resistor 33 kQ 1 0603 FEC 9331034 1 C1 SMD capacitor 100 nF 1096 0805 FEC 165 0863 8 C4 C9 C10 C11 C12 C17 C19 C21 SMD capacitor 0 1 uF 10 0603 FEC 1759122 4 C2 C6 C7 C14 SMD capacitor 0 1 pF 10 0603 FEC 301 9482 2 C8 C13 SMD capacitor 10 pF 10 FEC 197 130 4 C18 C20 C22 C5 Capacitor 10 uF 20 FEC 1190107 2 15 Capacitor 470 nF 10 0603 FEC 1414037 1 C16 Capacitor 4 7 nF 10 0603 FEC 1414642 1 C34 Capacitor 4 7 nF 20 FEC 1432350 1 L2 Inductor SMD 600Z FEC 9526862 1 D1 Green SMD LED FEC 5790852 1 U1 Two port level translating bus switch ADG3247BCPZ 1 U2 Dual op amp AD8652ARZ 1 U3 Precision low dropout voltage regulator ADP3303ARZ 3 3 1 U4 Operational amplifier AD8618ARZ 1 U5 serial EEPROM 64k 2 5 V MSOP 8 FEC 1331335 27 LRDAC RESET SYNC WP A1 A2 A4 Terminal PCB black PK100 test point FEC 8731128 AGND B1 VOUT_C1 VOUT_C2 VOUT3 VOUTA W1 W2 W3 W4 5 3 3V 5V EXT VDD VLOGIC EXT VSS Te
8. ANALOG DEVICES Evaluation Board User Guide UG 395 One Technology Way Box 9106 Norwood MA 02062 9106 U S A Tel 781 329 4700 Fax 781 461 3113 www analog com Evaluation Board for the AD5273 Digital Potentiometer FEATURES Full featured in conjunction with low voltage digiPOT motherboard EVAL MB LV SDZ Various test circuits Various ac dc input signals PC control via a separately purchased system demonstration platform SDP B or SDP S PC software for control PACKAGE CONTENTS EVAL AD5273DBZ board EVAL MB LV SDZ motherboard CD that includes Self installing software that allows users to control the board and exercise all functions of the device Electronic version of the AD5273 data sheet Electronic version of the UG 395 user guide GENERAL DESCRIPTION This user guide describes the evaluation board for evaluating the AD5273 a single channel 64 position one time programmable OTP memory digital potentiometer that employ fuse link technology to achieve memory retention of resistance settings The on board socket allows the user to easily replace the device for reprogramming of the OTP memory The AD5273 supports single supply 2 7 V to 5 5 V operation making the device suited for battery powered applications and many other applications with superior low temperature coefficient performance In addition the AD5273 uses a versatile 10 serial interface that operates in fast mode allowing s
9. RDAC has the following option The main window of the EVAL AD5273DBZ software is e Enter a desired value into the text box to update the RDAC divided into the following sections FUSE RDAC and registers and click WRITE When WRITE is clicked a MANUAL DATA write read operation is performed and the value displayed in this section is updated with the actual RDAC register value This function can be used to verify whether the e BLOW FUSE allows you to program the fuses The A11 write operation was completed successfully link must be connected to 5 V If the board is operated at a different supply close the program change the link and FUSE has the following options MANUAL DATA has the following option rerun the software Due to the supply voltage limitations e customized C data word can be sent by manually of the SDP board the logic digital levels operate below a switching the scroll bars from 0 to 1 or from 1 to 0 as recommended value 2 5 V and proper communication is desired and then clicking SEND DATA not guaranteed EXIT closes the program e MEMORY STATUS shows the fuse status Rev 0 Page 7 of 16 EVALUATION BOARD SCHEMATICS AND ARTWORK MOTHERBOARD LEVEL TRANSLATOR ut SEL BEZ ADG3247BCP T T vLoc
10. 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 2012 Analog Devices Inc All rights reserved Trademarks and ANALOG registered trademarks are the property of their respective owners UG10623 0 5 12 0 DEVICES www analo g com Rev 0 Page 16 of 16
11. V 2 AC All other conditions A10 BIAS Use in conjunction with AC link AGND All other conditions 1 Recommended to ensure optimal total harmonic distortion THD performance The signal attenuation is defined in Equation 2 Attenuation dB 20 x lo 2 END TO END where is the resistor between the W and B terminals Ry is the wiper resistance Royp ro enp 18 the end to end resistance value Terminal Link Daughter Board Link Motherboard Options Description Al Switch B of A4 AQ AC Connects Terminal A1 to Vp 2 VDD Connects Terminal 1 to V5 w1 Switch B of A3 BUF W1 Connects Terminal W1 to an output buffer B1 Switch B of A2 A10 BIAS Connects Terminal B1 to Vpp 2 AGND Connects Terminal B1 to analog ground A1 inserted Closes feedback loop of second op amp in AD8618 Rev 0 Page 4 of 16 Signal Amplifier The RDAC can be operated as an inverting or noninverting signal amplifier supporting linear or pseudologarithmic gains Table 6 shows the available configurations The noninverting amplifier with linear gain is shown in Figure 4 and the gain is defined in Equation 3 R 1 8 3 R38 where is the resistor between the W and B terminals R41 1 7kQ Figure 4 Linear Noninverting Amplifier The noninverting amplifier with pseudologarithmic gain is shown in Figure 5 and the gain is defined in Equation 4 R G 1 4 AW where Rws is the res
12. e 2 of 16 EVALUATION BOARD HARDWARE POWER SUPPLIES The EVAL MB LV SDZ supports using single power supplies The evaluation board can be powered either from the SDP port or externally by the J1 and J2 connectors as described in Table 1 All supplies are decoupled to ground using 10 uF tantalum and 0 1 ceramic capacitors Table 1 Maximum and Minimum Voltages of the Connectors Link Options Several link and switch options are incorporated in the EVAL MB LV SDZ board and should be set up before using the board Table 2 describes the positions of the links to control the evalua tion board by a PC via the SDP board The functions of these link options are described in detail in Table 3 through Table 6 Table 2 Link Options Setup for SDP Control Default Connector No Label Voltage J1 1 EXT VDD Analog positive power supply Voo from 2 7 V to 5 5 V J1 2 GND Analog ground J2 1 VLOGIC Digital supply from 2 7 V to J2 2 DGND Digital ground Link No Option A11 3 3V A12 AGND A5 3 3V Table 3 Link Functions Link No PowerSupply Options A11 Voo 5 V from SDP 3 3 V from SDP This link selects one of the following as the positive power supply EXT VDD external supply from the J1 connector A5 3 3 V from SDP This link selects one of the following as the digital supply VLOGIC external supply from the J2 connector 12 GND AGND
13. ic gt gt se D SDI so DO Sc L gt POWER SUPPLY An 5V T p 4 1 B NOG n eu n2 POND m V ND 7 T T y ites ELO 10uF A5 NLOGIC 32 1 A N 4 2 ES WuF DGND RESET 12 5 BEAD SNC Tour 7 DGND 12 PAR_DM papu 106 ON ma JPIN56 P PARALLEL 00 m 339 R26 102 PAR D5 to T PORT PAR D3 fy 5 PAR_D1 OK 100 21 PAR WR R24 zco 5 IBI PARINT PAROS 22 DNP Hao 37 A2 PAR A3 25 MA su 50 gr OM iss spa SDA_BF Fs2 PAR_FS3 EE A PAR CLK FSI 4 R25 E 100K DGND SS sponT sport_rrs 90 En 7 ORI 8 SPORTCDTI SPORT SPORT DR1 IST SPORT_DTO SPORT DRO gt EU SPORT TSCLK SPORT RSCLK 32 SPORT INT gt SYNC SPI SEL 37 Sbi BF SPI MOST SPI SEL B 35 500 SPILMISO SPI SPISEL_C NS SCLKCBF SPILCLK SPI SELI SS P gt SDA BF SDA 0 EEPROM SDA 1 SEES SCL_0 EEPROM 2C 5011 DIS BF 78 WP_BF GPIO3 GENERAL GPIO2 Anon EF 27418905 input output 9504 hus ca WRB TIMERS 84 UART uart Rx S 61 BLACKFIN leo Bop BLACKTN RESET W 7 PAR_D23 19 022 021 a CSI D20 SPORT DR3
14. istor between the W and B terminals Rawis the resistor between the A and W terminals Table 6 Amplifier Selection Link Options R41 10623 005 Figure 5 Pseudologarithmic Noninverting Amplifier R43 and R42 can be used to set the maximum and minimum gain limits The inverting amplifier with linear gain is shown in Figure 6 and the gain is defined in Equation 5 Note that the input signal Vis must be negative _ _ Rus R38 where Rws is the resistor between the W and B terminals R41 10623 006 Figure 6 Linear Inverting Amplifier 5 Amplifier Gain Link Daughter Board Link Motherboard Label Vin Range Noninverting Linear Switch A of A2 A3 and A4 A7 LIN OV to Voo A6 N INV A1 not inserted A8 N INV Pseudologarithmic Switch A of A2 A3 and A4 A7 LOC OV to Voo A6 N INV A1 not inserted A8 N INV Inverting Linear Switch A of A2 A3 and A4 A7 LIN Vop to 0 V A6 INV A1 not inserted A8 INV Rev 0 Page 5 of 16 EVALUATION BOARD SOFTWARE INSTALLING THE SOFTWARE The EVAL AD5273DBZ kit includes evaluation board software provided on a CD The software is compatible with Windows XP Windows Vista and Windows 7 both 32 bits and 64 bits Install the software before connecting the SDP board to the USB port of the PC to ensure that the SDP board is recognized when it is connected to the PC 1 Start the Windows operating system and insert the CD 2 The installation softwa
15. on 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
16. peeds of up to 400 kHz The EVAL MB LV SDZ can operate in single supply mode and incorporates an internal power supply from the USB Complete specifications for the AD5273 part can be found in the AD5273 data sheet which is available from Analog Devices Inc and should be consulted in conjunction with this user guide when using the evaluation board EVAL AD5273DBZ WITH MOTHERBOARD AND SDP B 10623 001 Figure 1 Digital Picture of Evaluation Board with Low Voltage DigiPOT Motherboard and System Demonstration Platform PLEASE SEE THE LAST PAGE FOR AN IMPORTANT WARNING AND LEGAL TERMS AND CONDITIONS Rev 0 Page 1 of 16 TABLE OF CONTENTS O E A 1 Installing the Software sisisi 6 Package Contents pee Rt 1 Running the Software 6 General Description tt iter etd ei der 1 Software Operation a au na e t aquqa qusqa 7 EVAL AD5273DBZ with Motherboard and SDP B 1 Evaluation Board Schematics and 8 R vision History i pei venei 2 RENE ENNS Ud 8 Evaluation Board Hardware eee 3 Daughter e ire 12 Power Supplies 3 Ordering Information e ettet obe ceiee 14 Test CIFCUILS aa qu qha e ER REED RESET aa 4 tie 14 Evaluation Board Software sse 6 REVISION HISTORY 5 12 Revision 0 Initial Version Rev 0 Pag
17. re opens automatically If it does not run the setup exe file from the CD 3 After installation is completed power up the evaluation board as described in the Power Supplies section 4 Connect the EVAL AD5273DBZ and EVAL MB LV SDZ to the SDP board and the SDP board to the PC using the USB cable included in the evaluation kit 5 When the software detects the evaluation board follow the instructions that appear to finalize the installation RUNNING THE SOFTWARE To run the program do the following 1 Click Start gt All Programs gt Analog Devices gt AD5273 gt AD5273 Eval Board To uninstall the program click Start gt Control Panel gt Add or Remove Programs gt AD5273 Eval Board FUSE RDAC 0 MEMORY STATUS READY TO PROGRAM If the SDP board is not connected to the USB port when the software is launched a connectivity error displays see Figure 7 Simply connect the evaluation board to the USB port of the PC wait a few seconds click Rescan and follow the instructions Hardware Select No matching system found Press Rescan to retry or Cancel to abort 10623 007 Figure 7 Pop Up Window Error The main window of the EVAL AD5273DBZ software then opens as shown in Figure 8 EVAL AD5273DBZ MANUAL DATA 0 D5 D4 D3 D2 D1D0 191913938 w 21 41 jiv 10623 008 Figure 8 EVAL AD5273DBZ Software Main Window Rev 0 Page 6 of 16 SOFTWARE OPERATION
18. rminal PCB red PK100 FEC 8731144 1 FEC refers to Farnell Electronic Component Distributors Digi Key refers to Digi Key Corporation Rev 0 Page 14 of 16 Table 8 Daughter Board Qty Reference Designator Description Supplier Part Number 1 U1 256 position digital potentiometer AD5273BRJZ1 REEL7 1 Al 2 pin 0 1 pitch header and shorting shunt FEC 1022247 and 150 411 4 A2 A4 5 3 pin SIL header and shorting link FEC 1022248 and 150410 1 C6 6 3 V tantalum capacitor Case A 10 pF 20 FEC 1190107 1 C3 50 V X7R ceramic capacitor 0 1 uF 31096 0603 FEC 1759122 1 11 Header 2 54 mm PCB 1 x 8 way FEC 1766172 1 J2 12 pin 2 x 6 0 1 pitch header FEC 1804099 2 J3 J4 5 pin SIL header FEC 1929016 1 FEC refers to Farnell Electronic Component Distributors Rev 0 Page 15 of 16 NOTES 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 Aviad 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 documentati

ANALOG DEVICES UG-395 handbook

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