EVAL-AD5321DBZ User Guide UG-972 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 Evaluating the AD5321 12-Bit, Single-Channel Voltage Output Digital-to-Analog Converter (DAC) FEATURES GENERAL DESCRIPTION Full featured evaluation board (EVAL-AD5321DBZ) in conjunction with the nanoDAC motherboard (EVAL-MBnanoDAC-SDZ) On-board references Various link options PC control in conjunction with Analog Devices, Inc., system demonstration platform (SDP) This user guide details the operation of the EVAL-AD5321DBZ evaluation board for the AD5321. The EVAL-AD5321DBZ evaluation board is designed to quickly prototype AD5321 circuits and reduce design time. The AD5321 operates from a single 2.7 V to 5.5 V supply. The EVAL-AD5321DBZ evaluation board interfaces with the USB port of a PC via the SDP-B controller board. Software can be downloaded via the EVAL-AD5321DBZ product page that allows users to program the AD5321. EVALUATION KIT CONTENTS EVAL-AD5321DBZ evaluation board EVAL-MBnanoDAC-SDZ motherboard USB cable This evaluation board requires the SDP-B controller board, which is available for order on the Analog Devices, Inc., website. SOFTWARE REQUIRED Full data on the AD5321 can be found in the AD5321 data sheet available from Analog Devices and should be consulted in conjunction with this user guide when using the evaluation board. EVAL-AD5321DBZ evaluation software HARDWARE REQUIRED EVAL-SDP-CB1Z controller board (SDP-B controller board), must be purchased separately 14451-001 PHOTOGRAPH OF THE EVAL-AD5321DBZ, EVAL-MBnanoDAC-SDZ, AND THE EVAL-SDP-CB1Z Figure 1. PLEASE SEE THE LAST PAGE FOR AN IMPORTANT WARNING AND LEGAL TERMS AND CONDITIONS. Rev. 0 | Page 1 of 12 UG-972 EVAL-AD5321DBZ User Guide TABLE OF CONTENTS Features ..............................................................................................1 Installing the AD5321 Evaluation Software ................................4 Evaluation Kit Contents ...................................................................1 Running the Software...................................................................4 Software Required ............................................................................1 Evaluation Software ......................................................................5 Hardware Required ..........................................................................1 Write to DAC Register .................................................................5 General Description .........................................................................1 Power-Down Control ...................................................................5 EVAL-AD5321DBZ, EVAL-MBnanoDAC-SDZ, and the EVALSDP-CB1Z Boards ............................................................................1 Evaluation Board Schematics and Artwork ..................................6 Revision History ...............................................................................2 EVAL-AD5321DBZ Daughter Board ........................................9 Evaluation Board Hardware ............................................................3 Ordering Information ................................................................... 11 Power Supplies ..............................................................................3 Bill of Materials .......................................................................... 11 EVAL-MBnanoDAC-SDZ Motherboard ...................................6 EVAL-AD5321DBZ Daughter board Link Options ................ 3 Evaluation Software ..........................................................................4 REVISION HISTORY 3/2017--Revision 0: Initial Version Rev. 0 | Page 2 of 12 EVAL-AD5321DBZ User Guide UG-972 EVALUATION BOARD HARDWARE POWER SUPPLIES Link Options The nanoDAC(R) EVAL-MBnanoDAC-SDZ motherboard supports single and dual power supplies. A number of link options are incorporated in the EVALMBnanoDAC-SDZ and must be set for the required operating conditions before using the EVAL-AD5321DBZ. Table 2 describes the positions of the links to control the evaluation board via the SDP-B controller board using a PC and external power supplies. The functions of these link options are described in detail in Table 4. The positions listed in Table 2 to Table 4 match the evaluation board imprints (see Figure 10). The EVAL-AD5321DBZ evaluation board can be powered either from the SDP-B port or externally by the J5 and J6 connectors, as described in Table 1. Both AGND and DGND inputs are provided on the EVALAD5321DBZ. The AGND and DGND planes connect at one location on the EVAL-MBnanoDAC-SDZ. It is recommended that AGND and DGND do not connect elsewhere in the system to avoid ground loop problems. All supplies are decoupled to ground with a 10 F tantalum capacitor and 0.1 F ceramic capacitor. Table 1. Power Supply Connectors Connector J5, Pin 1 (J5-1) Label VDD J5, Pin 2 (J5-2) J5, Pin 3 (J5-3) AGND VSS J6, Pin1 (J6-1) J6, Pin 2 (J6-2) VLOGIC DGND Voltage Analog positive power supply, VDD; 5.5 V single and dual supply Analog ground Analog negative power supply, VSS; -5.5 V dual supply Digital supply from 1.8 V to VDD Digital Ground Table 2. Link Options Setup for SDP-B Control (Default) Link Number REF1 REF2 REF3 REF4 LK5 LK6 LK7 Position EXT EXT EXT EXT C +3V3 B EVAL-AD5321DBZ DAUGHTER BOARD LINK OPTIONS The EVAL-AD5321DBZ daughter board has a link option. This link sets the LSB of the I2C address of the DAC. Table 3 describes the function of this link. For proper device operation, set the LK1 position to B. Table 3. Link Options for Daughterboard Link LK1 Pin A0 Position A (high) B (low, default) Table 4. Link Functions Link Number REF1 to REF4 LK5 LK6 LK7 Position These links select the reference source. Position EXT selects an off board voltage reference via the appropriate EXT_REF connector. Position VDD selects VDD as the reference source. Position 4.096V selects the on-board 4.096 V reference as the reference source. Position 2.5V selects the on-board 2.5 V reference as the reference source. Position 5V selects the on-board 5 V reference as the reference source. This link selects the positive DAC analog voltage source. Position A selects the internal voltage source from the SDP-B controller board. Position B selects the internal voltage source +3.3 V from the ADP121 on the motherboard. Position C selects an external supply voltage, VDD. This link selects the VLOGIC voltage source. Position +3V3 selects the digital voltage source from the SDP-B board (+3V3). Position VLOGIC selects an external digital supply voltage, VLOGIC. This link selects the negative DAC analog voltage source. Position A selects VSS. Position B selects AGND. Rev. 0 | Page 3 of 12 UG-972 EVAL-AD5321DBZ User Guide EVALUATION SOFTWARE INSTALLING THE EVAL-AD5321DBZ EVALUATION SOFTWARE The EVAL-AD5321DBZ Evaluation Software is compatible with Windows(R) Vista (64-bit/32-bit), and Windows 7 (64-bit/32-bit). 10954-003 Install the software before connecting the SDP-B to the PC. To install the EVAL-AD5321DBZ Evaluation Software, take the following steps: 3. 4. 5. 6. Start the Windows operating system. Download the installation software from the EVALAD5321DBZ evaluation board page. Run the setup.exe file from the installer folder if it doesn't run automatically. After installation is completed, power up the evaluation board as described in the Power Supplies section. Connect the EVAL-AD5321DBZ to the SDP-B controller board and the SDP-B controller board to the PC using the USB cable included in the evaluation kit. When the software detects the EVAL-AD5321DBZ, proceed through any dialog boxes that appear to finalize the installation. 14451-002 1. 2. Figure 2. Connectivity Error RUNNING THE SOFTWARE To run the program, proceed with the following: 1. 2. 3. Connect the EVAL-AD5321DBZ to the SDP-B controller board and connect the USB cable between the board and the PC. Power up the EVAL-AD5321DBZ as described in the Power Supplies section. Click Start > All Programs > Analog Devices > AD5321 Evaluation Software to locate the evaluation board. If the SDP-B controller board is not connected to the USB port when the software launches, a connectivity error displays (see Figure 2). 14451-003 Connect the SDP-B controller board to the USB port of the PC and wait a few seconds. Once the SDP-B controller board and the EVAL-AD5321DBZ are detected, the display updates (see Figure 3). Figure 3. Hardware Select Alternatively, the EVAL-AD5321DBZ Evaluation Software can be used without an evaluation board. The EVAL-AD5321DBZ Evaluation Software runs in simulation mode displaying expected outputs based on the input data. The main window of the EVALAD5321DBZ Evaluation Software then opens, shown in Figure 4. Rev. 0 | Page 4 of 12 UG-972 14451-004 EVAL-AD5321DBZ User Guide Figure 4. AD5321 Evaluation Board Software Main Window EVALUATION SOFTWARE The EVAL-AD5321DBZ evaluation software allows the user to program values to the DAC register. WRITE TO DAC REGISTER Select the Write to DAC Register button to load the code of the input data control to the DAC register of the DAC. Click the blue progressive disclosure button on the POWERDOWN LOGIC block to access the Powerdown Config window, as shown in Figure 5. This window allows the user to operate the AD5321 in normal mode or three different power-down modes. When the power-down setting for the DAC is selected, click OK to write the appropriate values to the AD5321. Rev. 0 | Page 5 of 12 14451-005 POWER-DOWN CONTROL Figure 5. Powerdown Config Window UG-972 EVAL-AD5321DBZ User Guide EVALUATION BOARD SCHEMATICS AND ARTWORK EVAL-MBnanoDAC-SDZ MOTHERBOARD C10 4.7F 0.1F DGND R16 DNP +5V R15 1 100 U2 ADP121-AUJZ33 VIN 3 C3 1F EN 2 DGND VOUT NC +3.3V 5 C4 1F 4 PD 100 100 R13 R14 GND DGND +5V +3.3V LK5 A VDD B EXT_VDD C J5-1 + C8 0.1F EXT_VDD 10F C9 CS DB1 DB3 DB5 J5-2 DB7 DB9 DB11 LK7 EXT_VSS J5-3 A VSS B C2 0.1F + C1 10F USB_VBUS BMODE1 UART_TX GND SLEEP WAKE NC NC NC GND NC CLK_OUT TMR_D TMR_B GPIO7 GND GPIO5 GPIO3 GPIO1 SCL_0 SDA_0 GND SPI_CLK SPI_MISO SPI_MOSI GND SPI_SEL_A SPORT_INT GND SPI_D3* SPORT_TSCLK SPI_D2* SPORT_DT0 SPORT SPORT_DT1 SPORT_TFS SPORT_DR1 SPORT_RFS SPORT1_TDV* SPORT_DR0 SPORT0_TDV* SPORT_RSCLK GND GND PAR_FS1 PAR_CLK PAR_FS3 PAR_FS2 PAR_A1 PAR_A0 PAR_A3 PAR_A2 GND GND PAR_INT PAR_CS PAR_RD PAR_WR PAR_D1 PAR_D0 PARALLEL PAR_D3 PAR_D2 PORT PAR_D5 PAR_D4 GND GND PAR_D7 PAR_D6 PAR_D9 PAR_D8 PAR_D11 PAR_D10 PAR_D13 PAR_D12 PAR_D14 GND GND PAR_D15 PAR_D17* *PAR_D16 PAR_D19* *PAR_D18 PAR_D21* *PAR_D20 PAR_D23* *PAR_D22 GND GND USB_VBUS VIO(+3.3V) GND GND GND GND NC NC *NC ON BLACKFIN SDP VIN NC DGND +3.3V U3 1 2 3 4 VCC WP SCL SDA A0 A1 A2 VSS 8 7 6 5 +3.3V 24LC32 100k DGND DGND DGND R5 R6 R7 R8 R9 R10 100 100 CLR LDAC 100 100 100 100 SCLK SDO SDIN SYNC R11 R12 DGND WR DB0 DB2 DB4 DB6 DB8 DB10 SCL SDA 100 100 AGND DGND DGND VLOGIC B VLOGIC GND + C6 C5 10F 0.1F 14451-006 J6-2 DNP LK6 A J6-1 100k R4 RESET_IN UART_RX GND RESET_OUT SDP EEPROM_A0 STANDARD NC CONNECTOR NC NC GND NC NC TMR_C* TIMERS TMR_A GPIO6 GND GENERAL GPIO4 INPUT/OUTPUT GPIO2 GPIO0 SCL_1 I2C SDA_1 GND SPI_SEL1/SPI_SS SPI_SEL_C SPI SPI_SEL_B 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 R3 C11 + 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 R2 1.6 C7 10F EXT_VDD +3.3V J10 BEAD + +5V R1 L1 USB_VBUS DGND DGND Figure 6. EVAL-MBnanoDAC-SDZ Motherboard, SDP-B Controller Board Connector, and Power Supply +5V +2.5V +4.096V +4.096V +2.5V REF198 2 7 VIN VOUT U5 ADR431BRZ COMP 6 TRIM GND 2 VDD 5 5 C15 D +4_096VREF EX_REF_1 VDD C +5VREF VREF_1 B A VOUT U4 ADR445ARMZ 6 +5VREF VDD 2 3 VS OUTPUT SLEEP U6 C16 1F TRIM VREF1 D +4_096VREF EX_REF_2 VDD C VREF_2 B A +4_096VREF C17 1F 4 REF3 REF2 E +2_5VREF 6 GND 4 REF1 E +2_5VREF VIN GND 1F 4 +5VREF +2_5VREF +5VREF A +2_5VREF B +4_096VREF EX_REF_3 VDD C VREF2 REF4 +5VREF VREF_3 D E VREF3 Figure 7. EVAL-MBnanoDAC-SDZ Motherboard Reference Voltage Selector Circuit Rev. 0 | Page 6 of 12 A +2_5VREF B +4_096VREF EX_REF_4 VDD D VREF_4 C E VREF4 14451-007 VDD EVAL-AD5321DBZ User Guide UG-972 DAUGHTER BOARD CONNECTOR SDIN LDAC CLR SDO SCLK SYNC SCL PD SDA GAIN J2 2 4 6 8 10 LDAC CLR PD GAIN SDA SPI PMOD CONNNECTOR DB6 DB7 DB8 DB9 DB10 DB11 CS J1 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 DB0 DB1 DB2 DB3 DB4 DB5 WR J3-6 J3-5 J3-4 J3-3 J3-2 J3-1 AGND DGND J4-1 VOUT_0 J4-2 VOUT_1 J4-3 VOUT_2 J4-4 VOUT_3 J4-5 VOUT_4 J4-6 VOUT_5 J4-7 VOUT_6 J4-8 VOUT_7 J8-1 J8-2 J8-3 J8-4 J8-5 J8-6 GPIO PMOD CONNNECTOR J7-1 J7-2 J7-3 J7-4 J7-5 J7-6 SYNC SDIN SDO SCLK DGND VLOGIC PD LDAC GAIN CLR DGND VLOGIC I2C PMOD CONNNECTOR J9 1 3 5 7 VDD VREF4 VREF3 VREF2 VREF1 VLOGIC SCL SDA DGND VLOGIC 2 4 6 8 SCL SDA DGND VLOGIC 14451-008 1 3 5 7 9 SDIN SDO SCLK SYNC SCL Figure 8. EVAL-MBnanoDAC-SDZ Motherboard Connectors to Daughter Board and Serial Interface VOUT_4 VOUT_4 2 VDD 2 VOUT_0 7 V+ AD8655 OP V- - 4 + 6 VOUT_2 VOUT_2 U11 VSS 2 VOUT_5 + 1 U7-A 2 - AD8616ARZ VOUT_5 V- VOUT_1 7 + V+ AD8655 OP V- - 4 VSS 6 5 6 + 7 U10-B - AD8608ARUZ 8 U7-C VDD 3 3 VDD V+ VOUT_1 + 1 U10-A AD8608ARUZ 4 VOUT_3 AD8616ARZ VOUT_3 5 + 7 6 U7-B - AD8616ARZ VOUT_6 VOUT_6 10 9 + 8 U10-C - AD8608ARUZ U12 VSS VOUT_7 VOUT_7 12 13 Figure 9. EVAL-MBnanoDAC-SDZ Motherboard Output Amplifier Circuit Rev. 0 | Page 7 of 12 + 14 U10-D - AD8608ARUZ 14451-009 VOUT_0 3 3 EVAL-AD5321DBZ User Guide 14451-010 UG-972 14451-011 Figure 10. EVAL-MBnanoDAC-SDZ Motherboard Component Placement Figure 11. EVAL-MBnanoDAC-SDZ Motherboard Top Side Routing Rev. 0 | Page 8 of 12 UG-972 14451-012 EVAL-AD5321DBZ User Guide Figure 12. EVAL-MBnanoDAC-SDZ Motherboard Bottom Side Routing EVAL-AD5321DBZ DAUGHTER BOARD J2 1 3 5 7 9 SDIN SDO SCLK SYNC SCL 2 4 6 8 10 LDAC CLR PD GAIN SDA J1 AGND VDD C3 C2 10uF 0.1uF 2 4 6 8 10 12 14 16 DB0 DB1 DB2 DB3 DB4 DB5 WR DGND Ref = VDD 6 U1 VOUT A0 C1 DNP J3-1 J3-2 J3-3 VOUT_1 J5-3 VOUT_2 J5-4 VOUT_3 J5-5 VOUT_4 J5-6 VOUT_5 J5-7 VOUT_6 J5-8 VOUT_7 R1 DNP Figure 13. EVAL-AD5321DBZ Daughter Board Schematics Rev. 0 | Page 9 of 12 VREF1 1 VLOGIC GND VREF2 A AD5321BRTZ 5 B VDD VOUT_0 J5-2 SCL VREF3 3 VDD SCL LK1 VOUT_0 J3-4 4 VOUT J3-5 SDA VREF4 2 J3-6 VDD SDA J5-1 14451-013 + DB6 DB7 DB8 DB9 DB10 DB11 CS 1 3 5 7 9 11 13 15 EVAL-AD5321DBZ User Guide 14451-014 UG-972 14451-015 Figure 14. EVAL-AD5321DBZ Daughter Board Component Placement 14451-016 Figure 15. EVAL-AD5321DBZ Daughter Board Top Side Routing Figure 16. EVAL-AD5321DBZ Daughter Board Bottom Side Routing Rev. 0 | Page 10 of 12 EVAL-AD5321DBZ User Guide UG-972 ORDERING INFORMATION BILL OF MATERIALS Table 5. EVAL-MBnanoDAC-SDZ Motherboard Reference Designator C1, C6, C7, C9 C2, C5, C8, C10, C15 to C17 C3, C4 C11 EXT_REF_1 to EXT_REF_4 J1 J2 J3, J7, J8 J4 J5 J6 J9 J10 L1 LK5 LK6, LK7 REF1 to REF4 R1 R2, R3 R5 to R15 U2 U3 U4 U5 U6 U7 U10 U11, U12 1 2 Description 6.3 V tantalum capacitors (Case A), 10 F, 20% 50 V, X7R ceramic capacitors, 0.1 F, 10% 10 V, X5R ceramic capacitors, 1 F, 10% 6.3 V tantalum capacitor (Case A), 4.7 F, 20% Straight PCB mount, SMB jacks, 50 Header, 2.54 mm, 2 x 8-way Header, 2.54 mm, 2 x 5-way Headers, 2.54 mm, 1 x 6-way Header, 2.54 mm, 1 x 8-way 3-pin terminal block 2-pin terminal block Header, 2.54 mm, 2 x 4-way 120-way connector Inductor, SMD, 600 6-pin (3 x 2) 0.1" header and shorting block, 36-pin strip 4-pin (2 x 2) 0.1" header and shorting blocks, 36-pin strip 10-pin (5 x 2) 0.1" header and shorting blocks Resistor, surge, 1.6 , 1%, 0603 SMD resistors, 100 k, 1%, 0603 SMD resistors, 100 , 1%, 0603 3.3 V linear regulator 32 k I2C serial EEPROM 5 V reference MSOP Ultralow noise XFET(R) voltage reference 4.096 V reference Dual-op amp Quad-op amp Op amp Supplier1/Part Number FEC 1190107 FEC 1759122 GRM188R61A105KA61D2 FEC 1432350 FEC 1206013 FEC 2308428 FEC 9689583 FEC 9689508 FEC 1766172 FEC 1667472 FEC 151789 FEC 1667509 FEC 1324660 FEC 9526862 FEC 148-535 and FEC 150-411 FEC 148-535 and FEC 150-411 FEC 1022227 and FEC 150-411 FEC 1627674 FEC 9330402 FEC 9330364 ADP121-AUJZ33R7 FEC 1331330 ADR445ARMZ ADR431BRZ REF198ESZ AD8616ARZ AD8608ARMZ AD8655ARMZ FEC refers to Farnell Electronic Component Distributors. GRM refers to Murata Manufacturing Company. Table 6. EVAL-AD5321DBZ Daughterboard Reference Designator C1 C2 C3 J1 J2 J3 J5 LK1 R1 U1 VOUT 1 Description 0805 capacitor location 50 V, X7R, ceramic capacitor 6.3 V tantalum capacitor (Case A) 16-pin (2 x 8) header, inserted from solder side 10-pin (2 x 5) straight header, 2.54 mm pitch 6-pin (1 x 6) straight header, 2.54 mm pitch Header, 2.54 mm, PCB, 1 x 8-way, inserted from solder side Jumper block using 3-pin SIP header 0805 resistor location 12-bit DAC Red test point FEC refers to Farnell Electronic Component Distributors. Rev. 0 | Page 11 of 12 Supplier/Part Number Do not insert FEC 1759122 FEC 1190107 FEC 2308428 FEC 9689583 FEC 9689508 FEC 1766172 FEC 1022248 and FEC 150410 Do not insert AD5321BRTZ Do not insert UG-972 EVAL-AD5321DBZ User Guide NOTES I2C 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. 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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. (c)2017 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. UG14451-0-3/17(0) Rev. 0 | Page 12 of 12