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ANALOG DEVICES UG-324 handbook

1. 0 FEC 873 1144 U1 AD5116 Analog Devices AD5116 U3 ADA4860 Analog Devices ADA4860 SBP a2 23 ONNNA B B Qw e a a a a U15 AD8652 Analog Devices AD8652 1 FEC refers to Farnell Electronic Component Distributors PC refers to a communications protocol originally developed by Philips Semiconductors now NXP Semiconductors ESD Caution A ESD electrostatic discharge sensitive device Charged devices and circuit boards can discharge without detection Although this product features patented or proprietary protection ia 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 Subjec
2. ANALOG DEVICES Evaluation Board User Guide UG 324 One Technology Way P O Box 9106 Norwood MA 02062 9106 U S A Tel 781 329 4700 Fax 781 461 3113 www analog com Evaluation Board for the AD5116 Digital Potentiometer FEATURES Full featured evaluation board for the AD5116 Several test circuits Various ac dc input signals PACKAGE CONTENTS EVAL AD511xSDZ evaluation board CD that includes Electronic version of the AD5116 data sheet Electronic version of the UG 324 user guide GENERAL DESCRIPTION This user guide describes the evaluation board for evaluating the AD5116 a single channel 64 position nonvolatile memory digital potentiometer The AD5116 supports single supply 2 3 V to 5 5 V operation making the device suited for battery powered applications and many other applications offering guaranteed low resistor tolerance errors of 8 and high bandwidth while allowing up to 6 mA current density in the A B and W pins A simple push button interface allows manual switching and can save the last wiper position automatically into the EEPROM making it suits to applications that require a power up in the last wiper position Complete specifications for the AD5116 part can be found in the AD5116 data sheet which is available from Analog Devices Inc and should be consulted in conjunction with this user guide when using the evaluation board PLEASE SEE THE LAST PAGE FOR AN IMPORTANT WARNING AND LE
3. GAL TERMS AND CONDITIONS DIGITAL PICTURE OF EVALUATION BOARD Rev 0 i Poo EVAL AD511xSDZ t ta n D5116 k 5110 i D516 i ee ANALOG BR Bol DEVICES Figure 1 Rev 0 Page 1 of 8 10202 001 TABLE OF CONTENTS Features e e Package Contents s General Description Digital Picture of Evaluation Board Revision History sss Evaluation Board Hardware Power Supplies REVISION HISTORY 11 11 Revision 0 Initial Version See sers Ua e EEG 1 ASE Configuration cu e eu eI ate nuesnc enu uU EnGL UNUS 1 Push Buttons ie e E ERR A nudis etii 1 POSE Gir Cuts i eR EGRE BERE MAREA RERHANHR NON gto tee TEES E IPIE 1 Evaluation Board Schematics and Artwork nU IUGE MU 2 Ordering Information eerte 3 Bill of Materials e RS RS I e eet mH 3 Rev 0 Page 2 of 8 EVALUATION BOARD HARDWARE POWER SUPPLIES The EVAL AD5116SBZ supports using single power supplies The evaluation board should be powered externally by the EXTERNAL 1 and EXTERNAL 2 connectors as described in Table 2 The link LK8 should be connected as shown in Table 1 All supplies are decoupled to ground using 10 uF tantalum and 0 1 uF ceramic capacitors Table 1 Link Connections Link No Option LK8 45V and EXT Table 2 Maximum and Minimum Voltages of the Connectors A
4. SE CONFIGURATION The part allows the user to configure the automatic store enable before powering up the board If the ASE function is enabled the led D2 indicates when minimum maximum resistance has been reached The AD5116 data sheet provides a detailed description of this pin PUSH BUTTONS The EVAL AD5116EBZ provides three switches to operate the part e PU This switch increases the resistance between Rws e PD This switch decreases the resistance between Rws e NVM This push button is enabled when the ASE function is disabled and allows manually storage of the RDAC register into the NVM Connector No Label Voltage EXTERNAL 1 VDD Analog positive power supply Vo It is 2 3 V to 5 5 V EXTERNAL 2 AGND Analog ground AGND Rev 0 Page 3 of 8 TEST CIRCUITS The EVAL AD5116EBZ incorporates several test circuits to evaluate the AD5116 performance DAC The AD5116 can be operated as a digital to analog converter DAC as shown in Figure 2 10202 002 Figure 2 DAC Table 3 shows the options available for the voltage references Table 3 DAC Voltage References AC Signal Attenuation The AD5116 can be used to attenuate an ac signal which must be provided externally using the AC INPUT connector as shown in Figure 3 Vpp AC INPUT EN fc 200Hz R9 10202 003 Figure 3 AC Signal Attenuator Depending on the voltage supply rails and the dc offset voltage of the ac signal v
5. arious configurations can be used as described in Table 4 Table 4 AC Signal Attenuation Link Options Terminal Link Options Description Terminal Link Options Description A LK1 AC Connects Terminal A to Vop 2 DC Connects Terminal A to Voo A LK1 AC Remove dc voltage and biased the signal to Vpp 2 W BUF W Connects Terminal W to an output buffer B LK6 AC Connects Terminal B to Vop 2 GND Connects Terminal B to analog ground The output voltage is defined in Equation 1 RDAC Vas Va M s 1 where RDAC is the code loaded in the RDAC register Va is the voltage applied to Terminal A LK1 link Vs is the voltage applied to Terminal B LK6 link However by using the R8 and R9 external resistors the user can reduce the voltage of the voltage references In this case use the A and B test points to measure the voltage applied to the A and B terminals and recalculate V4 and Vs in Equation 1 W BUF W Connects Terminal W to an output buffer B LK6 AC1 Connects Terminal B to Vop 2 GND Connects Terminal B to analog ground Recommended to ensure optimal total harmonic distortion THD performance The signal attenuation is defined in Equation 2 m 128 Attenuation dB 20x leq 2 where RDAC is the code loaded in the RDAC register In addition R7 can be used to achieve an exponential attenua tion To do so adjust the R7 resistor until a desirable transfe
6. ion 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 anothe
7. r function is found typically value is around 1 6 kQ for a 10 kQ potentiometer Rev 0 Page 4 of 8 EVALUATION BOARD SCHEMATICS AND ARTWORK AD5111 mA yop piod METUIT VLOSIC vLogic i m AD510 1 ADS5116 PSDP bassa K ES n Al XTERNAL 1 poc usd VLOGIC EXTERNAL 1 D I 3 1 B VLOGIC_EXT 1 EXTERNAL 2 DO i hota DOE g cz EXTERNAL VLOGIC EXT 2 1 Honan ae AGND V EXTERNAL EE EN O 1uF bono 1 prr 1 S O i 1 Hoot 1 T TI 1 S 1 i Y 1 Hedi 1 tjo 1 E AC_INPUT C3 LE E 1 Hoyt i 1 x BEN ENABLE D i yt li yt te A i I l DGND 1 1 C SDA 1 o M SP e PEE VDD G uso Em Ley ZA vLocic acd ds V Jw apsi SoA i H B BE w 4 B 1 5 B SCL 1 Pd Wi Lo s 2 i i pu Di 3 LST j 1 1 4 p E NV AGND 1 o i 1 o V 1 1 RS I E AGND t 5 V LA p ox E Ut5 8 id B 5 VDD 3 gl 8 I ADB652AR R12 tet rose n AGND E LU DGND scL BF 5v UsB u ADA4880 1 vaT BUF W Rit vour wO O h vw vog AN S1 LN aco AGND DND 5y USB q u15 E f AGND 10202 004 V Figure 4 Schematic of the AD5116 Circuitry Rev 0 Page 5 of 8 VLOGIC EXT my
8. r 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 ANALOG DEVICES Rev 0 Page 8 of 8 2011 Analog Devices Inc All rights reserved Trademarks and registered trademarks are the property of their respective owners UG10202 0 11 11 0 www analog com
9. s EVAL AD511xSDZ AD5110 JanS AD5116 C24 DGND EXTERNAL VDD AGND Figure 6 Component Side PCB Drawing Rev 0 Page 6 of 8 10202 006 10202 007 Figure 7 Solder Side PCB Drawing Rev 0 Page 7 of 8 10202 008 ORDERING INFORMATION BILL OF MATERIALS Table 5 Qty Reference Designator Description Supplier Part Number C3 100 nF capacitor 0402 FEC 1414580 C1 0 1 uF capacitor 0603 FEC 138 2224 C25 0 1 uF capacitor 0603 FEC 301 9482 C24 10 uF capacitor 1206 FEC 197 130 D1 LED green FEC 579 0852 D2 LED red FEC 1685068 EXTERNAL 2 pin connector FEC 151789 PD PU NVM Push button FEC 177 807 LK1 LK3 LK4 LK5 LK6 LK8 ASE BUF W Header 2 row 36 36 way and jumper socket black Header 1 row 2 way and jumper socket black FEC 148 535 and FEC 150 411 FEC 102 2247 and FEC 150 411 R11 12 Q resistor 0603 1 FEC 9330534 R10 750 Q resistor 0603 1 FEC 9331506 R4 1 kQ resistor 0603 0 01 FEC 9330380 R1 1 8 KQ resistor 0805 1 FEC 1400055 R5 R6 R12 R13 2 7 kQ resistor 1206 196 FEC 9337288 R2 R3 110 kQ resistor 0603 196 FEC 9331247 R8 R9 0 Q resistor 0603 FEC 9331662 DGND AGND Test point PCB black PK100 FEC 873 1128 3V3 A B VDD VOUT W Test point PCB red PK10
10. t 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 Evaluat

ANALOG DEVICES UG-324 handbook

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