Analog Devices EVAL-AD5413SDZ User manual

EVAL-AD5413SDZ Evaluation Board User Guide
UG-1757
One Technology Way •P. O . Box 9106 •Norwood, MA 02062-9106, U.S.A. •Tel: [phone] •Fax: [phone] •www.analog.com
Evaluating the AD5413 Single-Channel, 14-Bit Current and Voltage Output DAC with
HART Connectivity
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS. Rev. 0 | Page 1 of 17
FEATURES
Fully featured evaluation board for the AD5413
On board 2.5 V ADR4525 reference
ACE software for control
EVALUATION KIT CONTENTS
EVAL-AD5413SDZ
EQUIPMENT NEEDED
SDP-S controller board
Bench top power supply and connector cables
PC or laptop
DOCUMENTS NEEDED
AD5413 data sheet
ACE user manual
SOFTWARE NEEDED
ACE software
GENERAL DESCRIPTION
This user guide describes the EVAL-AD5413SDZ for the
AD5413 single-channel, 14-bit voltage and 14-bit current
output digital-to-analog converter (DAC).
The EVAL-AD5413SDZ (see Figure 1) requires the EVAL-SDP-
CS1Z system demonstration platform (SDP-S) board. The
EVAL-AD5413SDZ interfaces to the USB port of the PC via the
SDP-S board. The Analysis, Control, Evaluation (ACE) software
allows simplified programming of the AD5413, and is available
to use with the EVAL-AD5413SDZ.
For full details on the AD5413, see the AD5413 data sheet.
Consult the data sheet in conjunction with this user guide when
using the EVAL-AD5413SDZ.
EVALUATION BOARD PHOTOGRAPH
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Figure 1.

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TABLE OF CONTENTS
Features .............................................................................................. 1
Evaluation Kit Contents................................................................... 1
Equipment Needed........................................................................... 1
Documents Needed.......................................................................... 1
Software Needed ............................................................................... 1
General Description......................................................................... 1
Evaluation Board Photograph......................................................... 1
Revision History ............................................................................... 2
Evaluation Board Hardware............................................................ 3
Power Supplies .............................................................................. 3
Serial Communication................................................................. 3
AD5413 Device Address Pins..................................................... 3
Software Quick Start Procedures.................................................... 4
Installing the ACE Software and EVAL-AD5413SDZ Plugins
......................................................................................................... 4
Initial Setup ....................................................................................4
AD5413 Block Diagram and Functions .........................................6
Initial Configuration.....................................................................8
Setting the DAC Output...............................................................8
Updating Diagnostic Results .......................................................8
Example Sequences .......................................................................8
ACE Tool Views.............................................................................. 10
Macro Tool .................................................................................. 10
Register Debugger Tool ............................................................. 10
Events Tool .................................................................................. 10
Evaluation Board Schematics and Artwork................................ 11
Ordering Information.................................................................... 16
Bill of Materials........................................................................... 16
REVISION HISTORY
5/2020—Revision 0: Initial Version

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EVALUATION BOARD HARDWARE
POWER SUPPLIES
The EVAL-AD5413SDZ requires a number of power supply
inputs for the AVDD1, AVDD2, AVSS, and VLOGIC pins on the AD5413.
If there is only one positive rail available, connect the AVDD2 pin
to the AVDD1 pin via t he AVDD1 -AVDD2-SHRT link on t he
EVAL-AD5413SDZ. Select the VLOGIC supply from the 3.3V_SDP
net on the SDP-S board or the VLDO pin, through the JP1 and
JP3 jumpers. See Table 1 for more link options and the default
link positions.
The EVAL-AD5413SDZ operates with a power supply range from
−33 V on AVSS to +33 V on AVDD1 with a maximum voltage of
50 V between the two rails. AVDD2 requires a voltage between
4.5 V and 33 V. In a typical operating condition, AVDD2 = +5 V,
AVDD1 = +24 V, and AVSS = −24 V.
SERIAL COMMUNICATION
The SDP-S board handles the communication to the EVAL-
AD5413SDZ via the PC. By default, the SDP-S board handles the
serial port interface (SPI) communication, controls the RESET pin
and the LDAC pin, and monitors the FAULT pin of the AD5413.
The EVAL-AD5413SDZ can disconnect from the SDP-S board
and drive the digital signals from an external source by removing
the appropriate links on P2 (see Table 2). An option to tie the
RESET pin and the LDAC pin to high or low levels is available
through the S1 switch and the JP11 link.
AD5413 DEVICE ADDRESS PINS
Use the device address pins (AD0 and AD1) in conjunction with
the device address bits within the SPI frame to determine which
AD5413 device is addressed by the system controller. The AD0 pin
and the AD1 pin can be configured through the JP12 and JP14
links (see Table 1).
Table 1. EVAL-AD5413SDZ Link Option Functions
Link Default Position Function
AVDD1-
AVDD2-SHRT
Not inserted Connects the AVDD2 pin to the AVDD1 pin.
JP1 Not inserted Selects 3.3 V from the SDP-S as the source for VLOGIC pin.
JP2 Inserted Selects the external reference, ADR-REF, as the input to REFIN.
JP3 Inserted Selects 3.3 V from the VLDO pin of the AD5413 as the source for the VLOGIC pin.
JP4 Not inserted Selects REFOUT as the input to REFIN.
JP5 Inserted Powers ADR-REF from the AVDD2 pin (the maximum supply for the ADR4525 is 15 V).
JP8 Inserted Connects the VIOUT pin to the +VSENSE pin.
JP10 Inserted Connects the –VSENSE pin to the RETURN signal on the EVAL-AD5413SDZ.
JP11 A Position A connects the LDAC pin to the ground position. Position B connects the LDAC pin to the VLOGIC pin.
JP12 A Position A connects the AD0 pin to the ground position. Position B connects the AD0 pin to the VLOGIC pin.
JP14 A Position A connects the AD1 pin to the ground position. Position B connects the AD1 pin to the VLOGIC pin.
JP17 Not inserted Connects the AVSS pin to the ground position pin for the unipolar supply option (current output only).
P2 Inserted Provides options to disconnect from the SDP-S board and to drive digital signals from an external source.
S1 Up In the up position, this link connects the RESET pin to the VLOGIC pin.
Middle (default)
In the middle position (default), this link controls the RESET pin via the SDP-S board.
Down
In the down position, this link connects the RESET pin to the ground position pin.
Table 2. Link Options for P2 Header
Pin No. Position Function
1, 2 Inserted Connects the FAULT signal from the SDP-S board to the FAULT pin on the AD5413.
Not inserted
Disconnects the FAULT signal from the SDP-S board to the FAULT pin on the AD5413.
3, 4 Inserted Connects the RESET signal from the SDP-S board to the RESET pin on the AD5413.
Not inserted
Disconnects the RESET signal from the SDP-S board to the RESET pin on the AD5413.
5, 6 Inserted Connects the LDAC signal from the SDP-S board to the LDAC pin on the AD5413.
Not inserted
Disconnects the LDAC signal from the SDP-S board to the LDAC pin on the AD5413.
7, 8 Inserted Connects the SCLK signal from the SDP-S board to the SCLK pin on the AD5413.
Not inserted Disconnects the SCLK signal from the SDP-S board to the SCLK pin on the AD5413.
9, 10 Inserted Connects the SDO signal from the SDP-S board to the SDO pin on the AD5413.
Not inserted Disconnects the SDO signal from the SDP-S board to the SDO pin on the AD5413.
11, 12 Inserted Connects the SDI signal from the SDP-S board to the SDI pin on the AD5413.
Not inserted Disconnects the SDI signal from the SDP-S board to the SDI pin on the AD5413.
13, 14 Inserted Connects the SYNC signal from the SDP-S board to the SYNC pin on the AD5413.
Not inserted
Disconnects the SYNC signal from the SDP-S board to the SYNC pin on the AD5413.

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SOFTWARE QUICK START PROCEDURES
INSTALLING THE ACE SOFTWARE AND
EVAL-AD5413SDZ PLUGINS
The EVAL-AD5413SDZ board uses Analog Devices, Inc., ACE
software. For instructions on how to install and use the ACE
software, go to www.analog.com/ACE.
When the installation is finished, the EVAL-AD5413SDZ
plugin appears when the ACE software is opened.
INITIAL SETUP
To set up the EVAL-AD5413SDZ, take the following steps:
1. Connect a USB cable to the PC and then to the SDP-S board.
2. Connect the SDP-S board to the EVAL-AD5413SDZ. The
PC recognizes the EVAL-AD5413SDZ.
3. Power up the EVAL-AD5413SDZ with the power supplies
recommended in the Power Supplies section.
4. Open the ACE software. The EVAL-AD5413SDZ appears
in the Attached Hardware pane of the ACE window.
5. When setting up the EVAL-AD5413SDZ for the first time,
you may be required to install the EVAL-AD5413SDZ
plugin. If the plugin appears as shown in Figure 2, proceed
to Step 7. If the plugin appears as shown in Figure 3,
double-click the evaluation board symbol, and the pop-up
window shown in Figure 4 appears. Click Yes .
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Figure 2. Attached Hardware Section with the EVAL-AD5413SDZ
Plugin Connected
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Figure 3. EVAL-AD5413SDZ Plugin Not Installed
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Figure 4. Installing the Plugin Pop-Up Window
6. The plugin manager window appears, as shown in Figure 5.
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Figure 5. Plugin Manager Window
7. Find and select the Board.AD5413 plugin and click Install
Selected. The EVAL-AD5413SDZ plugin is now installed
and displays as shown in Figure 2. In Figure 5 only, the
AD5413 is synonymous with the AD5423.
8. Double-click EVAL-AD5413SDZ to open the AD5413 block
diagram (see Figure 7). The INITIAL CONFIGURATION
window appears on the left side of the ACE window. Several
register settings can be configured in this pane and are
written to the device in the appropriate order. The
RESET_OCCURED and CAL_MEM_UNREFRESHED
LED indicators in the DIGITAL DIAGNOSTIC RESULTS
section are illuminated red by default (see Figure 7).

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9. Write the initial configuration values to clear these error
flags. If the device is power cycled, or if the USB cable is
disconnected and reconnected while the ACE software is
open, contact with the EVAL-AD5413SDZ is lost. To regain
contact, click the System tab, click the USB symbol on the
SDP-S, and then click Acquire (see Figure 6).
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Figure 6. Reconnecting the USB
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Figure 7. AD5413 Block Diagram in the ACE Software

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AD5413 BLOCK DIAGRAM AND FUNCTIONS
The EVAL-AD5413SDZ plugin is organized to appear similar to
the block diagram shown in the AD5413 data sheet. This graphical
user interface (GUI) correlates the functions of the EVAL-
AD5413SDZ with the descriptions in the AD5413 data sheet.
Full descriptions of each block and register setting are available
in the AD5413 data sheet. The full screen AD5413 block
diagram with labels is shown in Figure 8. Table 3 and Table 4
describe the functionality of each block.
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F
G
H
I J
L
M
N
P Q R
S
TV
K1
K2
K3
K4
K5
K6
K7
K8
K9 K10 K11
K12
ABC DE U
Figure 8. AD5413 Block Diagram with Labels
Table 3. AD5413 Block Diagram Label Functions (See Figure 8)
Figure Label Function
A To apply any changes made to the block diagram or to register values in the memory map to the device, click Apply Changes.
B To read back all of the registers of the device, click Read All.
C Click Reset Chip to reset the AD5413. The Reset Chip button has the same functionality as the software reset of the AD5413.
D Click Diff to show the registers that are different from the data stored on the device. This function shows what has changed
since the last register read.
E Click Software Defaults to load the software defaults of the device. These values are not written to the hardware. Click
Apply Changes (Label A) to write the software default values to the hardware.
F The AD0 and AD1 check boxes set the AD5413 address of the device and must correspond to the JP12 and JP14 links on
the hardware. If either check box is selected, this represents a high state. If either box is not selected, this represents a low
state.
G If the /RESET check box is selected, the SDP-S board sets the RESET pin high. Otherwise, the SDP-S board pulls the RESET pin low.
H If the /LDAC check box is selected, the SDP-S board sets the LDAC pin high. Otherwise, the SDP-S board pulls the LDAC pin low.
I The EVAL-AD5413SDZ plugin monitors the FAULT pin. If the FAULT pin is low, the /FAULT indicator LED lights up red.
J VI_OUT displays the calculated output at VIOUT, and displays if the output is in voltage, milliamps, or is high impedance (high-Z).
Kx GUI access on several registers. Pop-ups, dropdown menus, and hexadecimal text boxes are available in the GUI to configure
several registers of the AD5413. To write the changes to the device, click Apply Changes (Label A). The functions within this
GUI that control various registers are described in Table 4.
L The Calibration Memory Refresh button initiates a write to the key register to perform a calibration memory refresh.
M The SW LDAC button initiates a write to the key register to perform a software LDAC command.
N The NOP Command button initiates a write to Address 0x00 for a no operation (NOP) command.
O Two Stage Readback menu. A 2-stage readback is initiated through the 2-stage readback select register. Click Readback to
initiate a write to the 2-stage readback select register and issue a NOP command.

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Figure Label Function
P DIGITAL DIAGNOSTIC RESULTS menu. Click Update and Readback to trigger a write 1 to clear operation on the selected
check boxes and a readback from the digital diagnostic result register.
Q ANALOG DIAGNOSTIC RESULTS menu. Click Update and Readback to trigger a write 1 to clear operation on the selected
check boxes and a readback from the analog diagnostic result register.
R When the HART_EN check box is selected, the HART_EN bit = 1 in the General-Purpose Configuration 1 register.
S Click Proceed to Memory Map to open the AD5413 memory map (see Figure 9).
T Click Memory Map Side-By-Side to open the AD5413 memory map next to the block diagram.
U Click Example Sequences to open the example sequences window (see Figure 13).
Table 4. Register Controls Accessible via the GUI (See Label Kx in Table 3 and in Figure 8)
Figure Label Function
K1 Diagnostic Configuration. Click this button to activate the associated pop-up menu.
K2 GP Config. When this button is clicked, a pop-up menu appears to configure the general-purpose configuration registers.
K3 Key register dropdown menu. Use this dropdown menu to configure the key register.
K4 Fault Pin Config. When this button is clicked, a pop-up menu appears to configure the general-purpose configuration registers.
K5 Frequency Monitor menu. This menu displays the value in the frequency monitor when read.
K6 Clear Code menu. In this menu, use the text box to insert a clear code value in hexadecimal format.
K7 User Gain menu. In this menu, use the text box to insert a user gain value in hexadecimal format.
K8 User Offset menu. In this menu, use the text box to insert a user offset value in hexadecimal format.
K9 DAC Input Reg menu. In this menu, use the text box to insert the DAC value in hexadecimal format.
K10 14 Bit DAC. When this button is clicked, a pop-up menu appears to configure the general-purpose configuration registers.
K11 DAC Output Reg. This menu displays the hexadecimal value currently set in the DAC output register.
K12 Status Register. This menu displays the contents of the status register.
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Figure 9. AD5413 Memory Map in the ACE Software

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INITIAL CONFIGURATION
An initial configuration wizard is available when the AD5413
plugin opens that allows quick configuration of the AD5413, the
DAC configuration register, and the DAC input register. Click
Apply to initiate the configured settings in the order of the
recommended power-up sequence on the AD5413 data sheet.
SETTING THE DAC OUTPUT
To configure the DAC output, use the DAC Config Register
pop-up menu (see Figure 10). Click the 14 Bit DAC button in
the block diagram (see Figure 8) to display the DAC
configuration register. Select the appropriate settings and click
Apply Changes (see Figure 8). It is recommended to disable the
output until the proper value in the DAC input register is written
to the device.
To change the DAC voltage or current output level, write the
appropriate hexadecimal code to the DAC input register and
click Apply Changes. Click SW LDAC to issue a software
LDAC command or pull the LDAC pin low to update the DAC
output register with the values in the DAC input register. To
enable the DAC output, select the OUT_EN (Enable VI_OUT)
check box and click Apply Changes. The programmed voltage
or current then reflects on the VIOUT pin.
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Figure 10. AD5413 DAC Config Register Pop-Up Menu
UPDATING DIAGNOSTIC RESULTS
The AD5413 has a digital diagnostic results register and an analog
diagnostic results register that contain error flags for the on-
chip digital and analog diagnostic features. Write 1 to the
respective error flags to update the error flag status.
To update the digital and analog diagnostic result registers, click
Update and Readback (see Figure 11 and Figure 12). The
Update and Readback button initiates a write of 1 to the
selected check boxes and then reads back the updated diagnostic
result. Figure 11 shows the digital diagnostic results register.
Figure 12 shows the analog diagnostic results register.
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Figure 11. AD5413 Digital Diagnostic Results Register
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Figure 12. AD5413 Analog Diagnostic Results Register
EXAMPLE SEQUENCES
There are four example sequences available. Click the Example
Sequences button on the bottom left of the block diagram (see
Figure 8) and the window shown in Figure 13 opens. To enable
either of the sequences, click the relevant sequence button. The
sequence runs immediately and the output changes accordingly.
To return to the main window, click Back to AD5413.

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Figure 13. Example Sequences Window

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ACE TOOL VIEWS
The ACE software provides additional functionality to the main
view described in this user guide. Open these views from the
view menu item on the application toolbar. ACE features a
macro tool, a register debugger tool, and an events tool.
MACRO TOOL
The macro tool allows commands to be recorded and saved as
an ACE macro file. This feature is useful when sharing macros
with other users to perform the same task multiple times. The
user can import and run an ACE macro file.
REGISTER DEBUGGER TOOL
Use the register debugger tool to perform raw writes to and
reads from the device. The register debugger affects only the
hardware and does not write to the memory map of ACE.
EVENTS TOOL
The events tool view contains a list of errors, warnings, and
information messages generated within the application software.