Texas Instruments DAC53608 User manual

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DAC53608 Evaluation Module
User's Guide
SLAU790A–October 2018–Revised December 2018
DAC53608 Evaluation Module
This user's guide describes the characteristics, operation, and use of the DAC53608 evaluation module
(EVM). This document also discusses the proper setup and configuration of both software and hardware,
and reviews various aspects of program operation. Throughout this document, the terms evaluation board,
evaluation module, and EVM are synonymous with the DAC53608EVM. A complete circuit description,
schematic diagram, and bill of materials are also included in this document.
Contents
1 Overview ..................................................................................................................... 3
2 System Setup ................................................................................................................ 4
3 Detailed Description......................................................................................................... 9
4 Schematic, PCB Layout, and Bill of Materials.......................................................................... 20
List of Figures
1 DAC53608EVM Software Setup........................................................................................... 4
2 Software Installation Path .................................................................................................. 5
3 TI Cloud Agent Installation ................................................................................................. 6
4 Analog EVM Controller Setup.............................................................................................. 6
5 Hardware Setup.............................................................................................................. 7
6 Hardware Setup Guidelines................................................................................................ 8
7 BOOSTXL-DAC-PORT Hardware Block Diagram....................................................................... 9
8 DAC53608EVM Hardware Block Diagram.............................................................................. 12
9 DAC53608EVM GUI Location............................................................................................ 14
10 DAC53608EVM GUI Connection Detection ............................................................................ 14
11 Software Home Page...................................................................................................... 15

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12 Setup Page.................................................................................................................. 16
13 DAC Quick Start Page..................................................................................................... 17
14 Register Map Page ........................................................................................................ 18
15 Register Page Options .................................................................................................... 18
16 Collateral Page ............................................................................................................. 19
17 BOOSTXL-DAC-PORT Schematic Page 1 ............................................................................. 21
18 BOOSTXL-DAC-PORT Schematic Page 2 ............................................................................. 22
19 DAC53608EVM Schematic ............................................................................................... 23
20 BOOSTXL-DAC-PORT PCB Components Layout..................................................................... 25
21 BOOSTXL-DAC-PORT Top Layer....................................................................................... 25
22 BOOSTXL-DAC-PORT Bottom Layer................................................................................... 26
23 DAC53608EVM PCB Components Layout ............................................................................. 26
24 DAC53608EVM Layers.................................................................................................... 27
List of Tables
1 Contents of DAC53608EVM Kit............................................................................................ 3
2 Required Components not Part of the Kit ................................................................................ 3
3 Related Documentation..................................................................................................... 3
4 DAC53608EVM Power Supply Inputs .................................................................................... 7
5 BOOSTXL-DAC-PORT Jumper Settings................................................................................. 7
6 BOOSTXL-DAC-PORT J13 Pin Definitions............................................................................. 10
7 BOOSTXL-DAC-PORT J14 Pin Definitions............................................................................. 10
8 BOOSTXL-DAC-PORT J4 Pin Definitions .............................................................................. 11
9 BOOSTXL-DAC-PORT J5 Pin Definitions .............................................................................. 11
10 BOOSTXL-DAC-PORT J12 Pin Definitions............................................................................. 12
11 DAC53608EVM J2 Pin Definitions....................................................................................... 13
12 DAC53608EVM J1 Pin Definitions....................................................................................... 13
13 BOOSTXL-DAC-PORT Bill of Materials................................................................................. 28
14 DAC53608EVM Bill of Materials.......................................................................................... 30
Trademarks
Windows is a trademark of Microsoft Corporation.
All other trademarks are the property of their respective owners.

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DAC53608 Evaluation Module
1 Overview
The DAC53608EVM is an easy to use platform for evaluating the functionality and performance of the
DAC53608 device. The DAC53608 and DAC43608 are a pin-compatible family of eight-channel, buffered
voltage-output digital-to-analog converters (DACs) that have 10-bit and 8-bit resolution. The external
reference range of 1.8 V to 5.5 V gives full scale output voltage of 1.8 V to 5.5 V. These devices are
monotonic across the power supply range. The devices communicate through an I2C interface. These
devices support I2C standard mode (100 kbps), fast mode (400 kbps), and fast+ mode (1 Mbps). These
devices have a load DAC (LDAC) pin that allows simultaneous DAC updates. The EVM provides the
GPIO and I2C programming interface using a PC-based graphical user interface (GUI).
1.1 Kit Contents
Table 1 details the contents of the EVM kit. Contact the TI Product Information Center nearest you if any
component is missing. TI highly recommends that the user verify latest versions of the related software at
the TI website, www.ti.com.
Table 1. Contents of DAC53608EVM Kit
Item Quantity
DAC53608EVM evaluation board PCB 1
Table 2. Required Components not Part of the Kit
Item Quantity
BOOSTXL-DAC-PORT 1
MSP-EXP432E401Y Launchpad (Analog EVM Controller) 1
The Analog EVM Controller can be purchased from this page on www.ti.com.
1.2 Related Documentation from Texas Instruments
The following document provides information regarding Texas Instruments integrated circuits used in the
assembly of the DAC53608EVM. This user's guide is available from the TI web site under literature
number SLAU790. Any letter appended to the literature number corresponds to the document revision that
is current at the time of the writing of this document. Newer revisions may be available from the TI web
site at http://www.ti.com/, or call the Texas Instruments Literature Response Center at [phone] or
the Product Information Center at [phone]. When ordering, identify the document by both title and
literature number.
Table 3. Related Documentation
Document Literature Number
DAC53608 product data sheet SLASEQ4

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2 System Setup
2.1 Software Setup
This section provides the procedure for EVM software installation.
2.1.1 Operating Systems
The EVM software is compatible with the Windows™ 7, Windows 8, and Windows 10 operating systems.
2.1.2 Software Installation
The software is available on the product folder. It can also be found on GUI Composer Gallery. Search for
"DAC53608EVM" on the GUI Composer Gallery. Use the down arrow symbol to download the software.
There are two downloads: one DAC53608EVM GUI and another, GUI Composer Runtime. You can either
download both the software or just download the EVM GUI. The runtime can be downloaded through the
EVM GUI during installation. Note that the software can also be run online by clicking on it. But this is not
recommended unless you have the firmware and driver upgraded. After the software is downloaded onto
the PC, navigate to the download folder and run the DAC53608EVM software executable, as shown in
Figure 1. When the DAC53608EVM software is launched, an installation dialog window opens and
prompts the user to select an installation directory. If left unchanged, the software location defaults to
C:\Program Files (x86)\Texas Instruments\DAC53608 EVM as shown in Figure 2. In case there is no
previous installation of the GUI Composer Runtime, the installer will also ask for automatic download from
the web. Select to install.
Figure 1. DAC53608EVM Software Setup
The software installation automatically copies the required files and drivers to the local machine.

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Figure 2. Software Installation Path
2.1.3 Analog EVM Controller Firmware Upgrade
The firmware for the Analog EVM Controller needs to be upgraded for the first time before using the
software. A jumper modification needs to be done and the USB cable should be connected to the XDS110
port of the Analog EVM Controller for downloading firmware. The firmware can be downloaded to the
Analog EVM Controller using the online tool UniFlash. This link is also provided on the Setup page of the
GUI. The firmware bin file can be found at "<Download
Directory>\DAC53608EVM_1.0.1_installer_win\install_image_DAC53608EVM\DAC53608EVM\firmware\ac
ctrl.0.3.0.3.bin" after unzipping the file install_image_DAC53608EVM.zip.
Follow the step-by-step procedure below to upgrade the firmware and install the device drivers
successfully:
• Remove jumper JP6 on Analog EVM Controller as shown in step 1 of Figure 4
• Mount jumper on 5V-OTG. The jumper on 5V-XDS should be retained as shown in step 1 of Figure 4
• Connect the USB cable to the port on the XDS110 side of the board as shown in step 2 of Figure 4
• Connect the USB cable to PC and open UniFlash. Click on Start Now in the Detect Device section
• In case the GUI Composer framework is being installed for the first time on the PC, the browser
extension and the TI Cloud Agent need to be installed. Follow the 2-step installation flow prompted on
the web page as shown in Figure 3

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Figure 3. TI Cloud Agent Installation
• Press the Refresh or Finish button after the installation. This should detect the Launchpad
• Press Start and browse for "<Download
Directory>\DAC53608EVM_1.0.1_installer_win\install_image_DAC53608EVM\DAC53608EVM\firmwar
e\acctrl.0.3.0.3.bin". Press Load Image followed by Verify Image
• Once the firmware is loaded, remove the USB cable from the XDS110 port and connect to the port U7
as shown in step 4 of Figure 4. U7 is available near the RJ-45 connector on the board
• Open Control Panel-->Device Manager and you will find two new ports, probably with the name of
Virtual COM Port or some other generic names
• Right click on each one and select Update Driver and link them to the driver file inside the "<Download
Directory>\DAC53608EVM_1.0.1_installer_win\install_image_DAC53608EVM\DAC53608EVM\driver"
directory. This will enumerate the ports as ACCtrl and ACCtrl Console inside Ports (COM & LPT). The
serial port connection is done to the ACCtrl port as discussed later in the document.
Figure 4. Analog EVM Controller Setup

Firmware USB Port
Analog EVM Controller (MSP432E401Y)
BOOSTXL-DAC-PORT
Optional Function Extender Card
DEBUG USB Port (U7)
DAC EVM
Optional Jumpers/Test Points
Jumpers/Test Points
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2.2 Hardware Setup
This section provides the overall system setup for the EVM. The hardware setup contains the Analog EVM
Controller (MSP-EXP432E401Y Launchpad), BOOSTXL-DAC-PORT, and DAC53608EVM. A PC runs
software that provides an interface to the DAC53608EVM through the Analog EVM Controller. The Analog
EVM Controller generates 5V power that can be used as VDD for the DAC. It also generates a 3.3V
power that can be used for I2C pull-ups. The IO ports of Analog EVM Controller and level translators used
on the BOOSTXL-DAC-PORT and DAC53608EVM can withstand a maximum of 3.6V IO levels. The
Analog EVM Controller also generates digital signals used to communicate with the EVM board. The
BOOSTXL-DAC-PORT is a generic platform used for catalog DACs. It provides a predefined interface to
connect a DAC evaluation module. It provides various options for power supply, reference, and digital
signals. A connector is provided on the BOOSTXL-DAC-PORT for external power supplies. This platform
is designed to host additional boards stacked up on the BOOSTXL-DAC-PORT in order to provide
extended functions. Figure 5 displays the system setup for the DAC53608EVM.
Figure 5. Hardware Setup
2.2.1 Power Configurations and Jumper Settings
The DAC53608EVM provides electrical connections to the device supply pins. The connectors and
optional configurations are shown in the Table 4. The jumper settings on the BOOSTXL-DAC-PORT are
crucial to the proper functioning of the DAC53608EVM. Table 5 provides the details of the possible jumper
settings on BOOSTXL-DAC-PORT.
Table 4. DAC53608EVM Power Supply Inputs
DAC53608EVM
Connector/Pin Supply Name Voltage Range
J2.1 VDD 1.8V to 5.5V (5V Available on Analog EVM Controller), Jumper
J9.1-2 on BOOSTXL-DAC-PORT
J1.8 VIO 1.8V to 3.6V (3.3V Available on Analog EVM Controller),
Jumper J10.1-2 on BOOSTXL-DAC-PORT
J1.7 DAC_VIO 1.8V to 3.6V, Jumper J11.1-2 on BOOSTXL-DAC-PORT
J1.1 GND 0 V
Table 5. BOOSTXL-DAC-PORT Jumper Settings
Jumper Default Position Available Option Description
J3 1-2: On-board Reference 2-3: External Reference External or On-board Reference
Selection
J6 2-3: Zener Reference 1-2: VDD Reference Zener or VDD Reference
J7 2-3: 2.5V Reference 1-2: 5V Reference 2.5V or 5V Reference Selection
J8 2-3: Unused on DAC53608 1-2: Unused on DAC53608 External or On-board LDAC
Selection
J9 1-2: 5V from Launchpad 2-3: External VDD 5V or External VDD

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Table 5. BOOSTXL-DAC-PORT Jumper Settings (continued)
Jumper Default Position Available Option Description
J10 1-2: 3.3V from Launchpad 2-3: External VIO 3.3V or External VIO
J11 Closed: DAC_VIO is connected to
VIO Open: DAC_VIO OFF DAC_VIO ON/OFF
2.2.2 Connecting the Hardware
Once the Analog EVM Controller firmware is upgraded as described in Section 2.1.3 and power and
jumper configurations done as per Section 2.2.1, the BOOSTXL-DAC-PORT, and DAC53608EVM can be
connected as shown in Figure 6. Connect the USB cable from the Analog EVM Controller DEBUG Port
(U7) to the PC.
Figure 6. Hardware Setup Guidelines
2.2.3 Electrostatic Discharge Warning
Many of the components on the DAC53608EVM are susceptible to damage by electrostatic discharge
(ESD). Observe proper ESD handling precautions when unpacking and handling the EVM, including the
use of a grounded wrist strap at an approved ESD workstation.

External
Power
Digital Level
Translator
Launchpad Inter face
Launchpad Interface
DAC EVM Interface
I2Cl Level Translator
Power Supply
Jumper Settings
Analog and Power Supply Function Extender
Reference Jumper
Settings
I2C
SPI/GPIO
SPI/GPIO
5V/3.3V
Analog IO
Power and Reference
External Reference
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3 Detailed Description
3.1 Hardware Description
The following sections provide detailed information on the EVM hardware and jumper configuration
settings.
3.1.1 Theory of Operation for BOOSTXL-DAC-PORT
The BOOSTXL-DAC-PORT is a generic evaluation platform for catalog DACs, which provide various
options for power supply, reference, communication interfaces, and GPIO for a DAC EVM. The DAC EVM
interfaces with a predefined set of signals common to a precision DAC. The block diagram of this board is
shown in Figure 7.
Figure 7. BOOSTXL-DAC-PORT Hardware Block Diagram

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3.1.2 Signal Definition of BOOSTXL-DAC-PORT
The BOOSTXL-DAC-PORT provides hardware connectors for the Analog EVM Controller (J13, J14),
External Power (J12), DAC53608EVM (J1, J2), and External Function Extender (J4, J5). The descriptions
are provided in the following tables.
Table 6. BOOSTXL-DAC-PORT J13 Pin Definitions
Pin# Signal Description
11 GPIO General purpose I/O
12 CS SPI CS or General purpose
I/O
13 GPIO SPI
14 MISO SPI MISO
15 MOSI SPI MOSI
16 RST MCU Reset Output
17 GPIO General purpose I/O
18 GPIO General purpose I/O
19 GPIO General purpose I/O
20 GND Ground
31 GPIO General purpose I/O
32 GPIO General purpose I/O
33 GPIO General purpose I/O
34 GPIO General purpose I/O
35 EXT_LDAC External LDAC I/O
36 EXT_LDAC External LDAC I/O
37 SPI_BUF_EN Digital, SPI Buffer Enable
38 GPIO General purpose I/O
39 GPIO General purpose I/O
40 GPIO General purpose I/O
Table 7. BOOSTXL-DAC-PORT J14 Pin Definitions
Pin# Signal Description
1 +3.3V +3.3V Power Supply
2 GPIO General purpose I/O
3 GPIO General purpose I/O
4 GPIO General purpose I/O
5 GPIO General purpose I/O
6 GPIO General purpose I/O
7 SCLK_A0 SPI SCLK or I2C A0
8 GPIO General purpose I/O
9 SCL I2C SCL
10 SDA I2C SDA
21 +5V +5V Power Supply
22 GND Ground
23 GPIO General purpose I/O
24 GPIO General purpose I/O
25 VDD_SENSE Sense Input for VDD
26 VIO_SENSE Sense Input for VIO
27 GPIO General purpose I/O
28 GPIO General purpose I/O

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Table 7. BOOSTXL-DAC-PORT J14 Pin
Definitions (continued)
Pin# Signal Description
29 GPIO General purpose I/O
30 GPIO General purpose I/O
Table 8. BOOSTXL-DAC-PORT J4 Pin Definitions
Pin# Signal Description
1 AIO0 Analog I/O
2 AGND Analog Ground
3 AIO2 Analog I/O
4 AIO4 Analog I/O
5 AGND Analog Ground
6 AIO6 Analog I/O
7 AIO8 Analog I/O
8 AGND Analog Ground
9 AIO10 Analog I/O
10 AIO12 Analog I/O
11 AGND Analog Ground
12 AIO14 Analog I/O
13 EXT_REF External Reference Input
14 GND Ground
15 VCC VCC Output
16 VDD VDD Output
Table 9. BOOSTXL-DAC-PORT J5 Pin Definitions
Pin# Signal Description
1 AIO1 Analog I/O
2 AGND Analog Ground
3 AIO3 Analog I/O
4 AIO5 Analog I/O
5 AGND Analog Ground
6 AIO7 Analog I/O
7 AIO9 Analog I/O
8 AGND Analog Ground
9 AIO11 Analog I/O
10 AIO13 Analog I/O
11 AGND Analog Ground
12 AIO15 Analog I/O
13 REFGND External Reference Ground
14 GND Ground
15 VSS VSS Output
16 VIO or DAC_VIO VIO or DAC_VIO Output

DAC53608
VDD
A0
LDACz
SCL
REF
REFGND
AIO1
AIO3
NC
NC
AIO4
AIO6
AGND
GND
CLRz
NC
SDA
AIO0
AIO2
VIO
DAC_VIO
NC
NC
AIO5
AIO7
DAC53608EVM
8
AGND
AGND
AGND
AGND
AGND
AGND
AGND
BUFFER
EEPROM
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Table 10. BOOSTXL-DAC-PORT J12 Pin Definitions
Pin# Signal Description
1VCC High Voltage Positive Power
Supply
2VSS High Voltage Negative Power
Supply
3 GND Ground
4 EXT_VDD External VDD
5 EXT_VIO External VIO
3.1.3 Theory of Operation for DAC53608EVM Hardware
The block diagram of the DAC53608EVM board is displayed in Figure 8. The EVM board connects to
BOOSTXL-DAC-PORT with two 16-pin connectors. These headers provide access to all DAC pins. The
EVM board also houses an EEPROM and an I2C buffer.
Figure 8. DAC53608EVM Hardware Block Diagram
3.1.4 Signal Definition of DAC53608EVM
The DAC53608EVM provides access to all DAC pins through connection J1 and J2, as listed in Table 11
and Table 12.

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Table 11. DAC53608EVM J2 Pin Definitions
Pin# Signal Description
1 VDD VDD Power Supply
2 A0 I2C Address Select
3 LDAC Load DAC
4 SCL I2C SCL
5 REF Reference Input
6 REFGND Reference Ground
7 VOUTB DAC Output Channel B
8 VOUTD DAC Output Channel D
9 NC Not connected
10 NC Not connected
11 VOUTE DAC Output Channel E
12 VOUTG DAC Output Channel G
13 AGND Analog Ground
14 AGND Analog Ground
15 AGND Analog Ground
16 AGND Analog Ground
Table 12. DAC53608EVM J1 Pin Definitions
Pin# Signal Description
1 GND PCB Ground
2 CLR CLR Input
3 NC Not connected
4 SDA I2C SDA
5 VOUTA DAC Output Channel A
6 VOUTC DAC Output Channel C
7 DAC_VIO Pull-up for DAC I2C Signals
8 VIO Power Supply for EEPROM
9 NC Not connected
10 NC Not connected
11 VOUTE DAC Output Channel E
12 VOUTH DAC Output Channel H
13 AGND Analog Ground
14 AGND Analog Ground
15 AGND Analog Ground
16 AGND Analog Ground

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3.2 Software Description
This section describes the features of the DAC53608 EVM software, and discusses how to use these
features. The software provides basic control of all the registers and functions to the DAC53608 device.
3.2.1 Starting the Software
To launch the software, locate the Texas Instruments folder in the All Programs menu, and select the
DAC53608 EVM icon.
Figure 9. DAC53608EVM GUI Location
Figure 10 shows that if the Analog EVM Connector is correctly connected, the status bar at the bottom of
the screen displays Hardware Connected. If the Analog EVM Controller is not properly connected or not
connected at all, the status bar displays Hardware not connected. In case the Hardware not connected
status persists even after the hardware is connected, go to Options-->Serial Port and select the correct
port. On Start Menu-->Control Panel-->Device manager, this port will be listed under PORTS (COM &
LPT) as ACCtrl (COMx). Do not select the port that is listed as ACCtrl Console (COMx).
Figure 10. DAC53608EVM GUI Connection Detection

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3.2.2 Software Features
The DAC53608 EVM incorporates interactive functions that help configure the DAC53608 device. These
functions are built into several GUI pages, as shown in the following sections. The Menu allows the user
to switch between the pages, with each page representing a feature of the software.
3.2.2.1 Home Page
This page shown inFigure 11 provides the basic information and navigation to other pages. Click on Learn
More... to get more information on the device.
Figure 11. Software Home Page
3.2.2.2 Setup Page
This page shown in Figure 12 guides the user to perform one time firmware upgrade for Analog EVM
Controller and details of how the Analog EVM Controller, BOOSTXL-DAC-PORT, and DAC53608EVM are
stacked. It also shows the default jumper settings for BOOSTXL-DAC-PORT.

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Figure 12. Setup Page
3.2.2.3 DAC Quick Start Page
This page shown in Figure 13 provides an interface to quickly enable and set the output voltages on all
channels of DAC53608. The toggle switch toggles between power up and power down bits for respective
channels. The grayed out buttons represent a logic LOW on the respective bits. That corresponds
to power up. The DAC53608 comes in power down mode by default. The toggle switches need to be
made off (Gray) to bring respective DAC channels out of power down. The number boxes program the
corresponding code on the DAC data register. Note that the DAC data registers are WRITE ONLY. Every
Write operation on this GUI is followed by a read back. Hence, the data registers will show "0" after the
Write operation. This behavior is normal and is expected for all fields that are WRITE ONLY. The
broadcast field is used for powering up/down all channels and also to broadcast a common DAC code.
Note that no general purpose IO controls for A0, LDAC, and CLR pins have been provided on this version
of the software. The default condition for A0 is LOW, LDAC is low and CLR is HIGH. For changing the
behavior of these pins, they should be manually tied to VIO or GND.

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Figure 13. DAC Quick Start Page
3.2.2.4 Register Map Page
The DAC53608 EVM Register Map page, shown in Figure 14, allows the user to access low level
communication directly with the DAC53608 registers. Selecting a register on the Register Map list shows a
description of the values in that register, as well as information on the register address, default value, size,
and current value. Values can be read and written to the registers by writing to the Value or bit field of the
GUI.

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Figure 14. Register Map Page
There are some configuration lists and action buttons provided on the Register Map page. The values of
the register map can be stored locally by pressing the Save Registers button under the File menu option.
Additionally, the stored configuration files can be recalled and loaded through the Load Registers button.
Other options selectable by the user are the Auto Read Interval,Read Register,Read All Registers,Write
Register,Write All Registers, and Update Mode buttons. All buttons are displayed in Figure 15. Note that
the Write Register and Write All Registers buttons are enabled only with Deferred update mode. The
Deferred mode initiates a write operation only when the Write Register or the Write All Registers button is
pressed. The Immediate update mode that is supposed to update immediately after a change is not
implemented for the Register Map page write operations in this version of the software.
Figure 15. Register Page Options
3.2.2.5 Collateral Page
This page shown inFigure 16 provides links for all the collateral on the DAC53608 device.

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Figure 16. Collateral Page

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4 Schematic, PCB Layout, and Bill of Materials
This section contains the complete bill of materials and schematic diagram for the BOOSTXL-DAC-PORT
and DAC53608EVM.