Texas Instruments TSW12D1620 User manual

TSW12D1620 Evaluation module
User's Guide
Literature Number: SBAU323A
January 2019–Revised January 2019

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Contents
Contents
Preface ........................................................................................................................................ 4
1 Equipment........................................................................................................................... 6
1.1 Evaluation Board Feature Identification Summary ...................................................................... 6
1.2 Required Equipment......................................................................................................... 7
2 Setup Procedure.................................................................................................................. 8
2.1 Install the High-Speed Data Converter (HSDC) Pro Software......................................................... 9
2.2 Install the TSW12D1620EVM-CVAL GUI Software..................................................................... 9
2.3 Connect the EVM and TSW14DL3200EVM via the FMC-TSW14DL3200EVM Adapter Card ................... 9
2.4 Connect the Power Supplies to the Boards (Power Off) ............................................................... 9
2.5 Connect the Clock Signal Generator to the EVM (RF Output Disabled Until Further Directed)................... 9
2.6 Connect the Signal Generators to the EVM (RF Outputs Disabled Until Further Directed)...................... 10
2.7 Turn On the TSW14DL3200EVM Power and Connect to the PC ................................................... 10
2.8 Turn On the TSW12D1620EVM-CVAL 5-V Power Supply and Connect to the PC............................... 10
2.9 Turn On the Clock Signal Generator RF Output ....................................................................... 10
2.10 Turn On the Signal Generator RF Outputs ............................................................................. 10
2.11 Open the TSW12D1620EVM-CVAL GUI and Program the ADC and Clocks ................................. 11
2.12 Calibrate the ADC Device on the EVM.................................................................................. 12
2.13 Open the HSDC Software and Load the FPGA Image to the TSW14DL3200EVM............................... 13
2.14 Capture Data Using the HSDC Pro Software .......................................................................... 14
3 Device Configuration .......................................................................................................... 15
3.1 Tab Organization........................................................................................................... 15
3.1.1 EVM (Quick Start) Tab ........................................................................................... 15
3.1.2 Temperature Tab.................................................................................................. 17
3.1.3 Control Tab......................................................................................................... 18
3.1.4 Input Sampling / LVDS Tab...................................................................................... 19
3.1.5 Low Level View Tab .............................................................................................. 20
A Troubleshooting the TSW12D1620EVM-CVAL ....................................................................... 21
Revision History.......................................................................................................................... 22

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List of Figures
List of Figures
1. TSW12D1620 Evaluation Module ........................................................................................ 4
1-1. EVM Feature Locations..................................................................................................... 6
2-1. EVM Test Setup.............................................................................................................. 8
2-2. Configuration GUI: EVM Tab ............................................................................................. 11
2-3. Configuration GUI: Control Tab .......................................................................................... 12
2-4. HSDC Pro GUI.............................................................................................................. 14
3-1. Configuration GUI: EVM Tab ............................................................................................. 15
3-2. Configuration GUI: Status Log Panel.................................................................................... 16
3-3. Configuration GUI: Temperature Tab.................................................................................... 17
3-4. Configuration GUI: Control Tab .......................................................................................... 18
3-5. Configuration GUI: Input Sampling / LVDS Tab........................................................................ 19
3-6. Configuration GUI: Low-Level View Tab ............................................................................... 20
List of Tables
3-1. Low-Level Controls......................................................................................................... 20
A-1. Troubleshooting ............................................................................................................ 21

ADC12D1620QML-SP
FMC Connector
(back of board)
TPS7A4501-SP
(LDO regulator)
TMP461-SP
(temperature sensor)
MSP430FR5969-SP
(microcontroller, back of board)
TPS50601A-SP
(buck switching
regulator)
TPS7A4501-SP
(LDO regulator)
TPS7H1101A-SP
(LDO regulator)
LMH5401-SP
(fully differential amplifier)
CDCLVP111-SP
(high speed clock buffer)
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Introduction
Preface
SBAU323A–January 2019–Revised January 2019
Introduction
Figure 1. TSW12D1620 Evaluation Module
The TSW12D1620 evaluation module (EVM) is used to evaluate the ADC12D1620QML-SP analog-to-
digital converter (ADC) from Texas Instruments. Throughout this document, the terms evaluation board,
evaluation module, and EVM are synonymous with the TSW12D1620EVM-CVAL.
The ADC12D1620QML-SP is a dual-channel, 12-bit ADC, capable of operating at sampling rates up to 1.6
Giga-samples per second (GSPS) in dual-channel mode, or 3.2 GSPS in single-channel mode. The
TSW12D1620EVM-CVAL device output data are transmitted over a high-speed low-voltage differential
signaling (LVDS) interface. This evaluation board also includes the following important features:
• An LMH5401-SP high-performance differential amplifier for the single-ended to differential gain block
• Optional differential input network supporting signals from DC to >3 GHz (requires minor component
changes)
• Transformer-coupled clock input network to test the ADC performance with an external low-noise clock
source
• High-reliability voltage regulation solution
• A TMP461-SP local and remote diode temperature sensor
• Device register programming through the universal serial bus (USB) connector and an FTDI™ USB-to-
serial bus translator

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Introduction
• High-speed LVDS data output via an FMC™ interface connector
The digital data from the TSW12D1620EVM-CVAL board is quickly and easily captured with the
TSW14DL3200EVM data capture board and the included FMC-TSW14DL3200EVM adapter.
The TSW14DL3200EVM captures the LVDS data, stores the data in memory, and then uploads the data
to a connected PC through a USB interface for analysis. The high-speed data converter pro (HSDC Pro)
software on the PC communicates with the hardware and processes the data.
Throughout this document, the TSW12D1620EVM-CVAL is referred to as the EVM and the
ADC12D1620QML-SP device is referred to as the ADC device.
Related Documentation
Technical Reference Documents
• Texas Instruments, ADC12D1620QML-SP 12-Bit, Single Or Dual, 3200- or 1600-MSPS RF Sampling
Analog-to-Digital Converter (ADC) data sheet
• Texas Instruments, TSW14DL3200 High-Speed LVDS Data Capture and Pattern Generator User's
Guide
• Texas Instruments, High Speed Data Converter Pro GUI user's guide (The HSDC Pro is also available
in the software help menu.)
• Texas Instruments, LMH5401-SP Radiation Hardened 6.5-GHz, Low-Noise, Low-Power, Gain-
Configurable Fully Differential Amplifier data sheet
• Texas Instruments, TMP461-SP Radiation Hardened Remote and Local Digital Temperature Sensor
data sheet
• FTDI Chip, FTDI USB to Serial Driver Installation Manual
TSW14DL3200EVM Operation
See the TSW14DL3200EVM user's guide for configuration and status information.
Trademarks
FMC is a trademark of FMC Corporation.
FTDI is a trademark of Future Technology Devices International Ltd..
K&L Microwave is a trademark of K&L Microwave.
Keysight is a trademark of Keysight Technologies.
Windows is a registered trademark of Microsoft Corporation.
Rohde & Schwarz is a registered trademark of Rohde & Schwarz GmbH & Co..
Trilithic is a trademark of Trilithic, Inc..
All other trademarks are the property of their respective owners.

Mini-USB
Connector
(bottom side) DEVCLK (Ext ADC Clock)
AINI
(Single-Ended Input)
AINQ
(Single-Ended Input)
VINI±
(Differential Inputs)
VINQ±
(Differential Inputs)
5-V DC Power
Connector
TMSTP±
(Differential Inputs)Power Switch
Data Connector
(Bottom)
ADC
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Equipment
Chapter 1
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Equipment
This section describes the equipment needed to evaluate the full performance of the ADC device.
1.1 Evaluation Board Feature Identification Summary
Figure 1-1 shows the EVM features.
Figure 1-1. EVM Feature Locations

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Equipment
1.2 Required Equipment
The following equipment are included in the EVM evaluation kit:
• Evaluation board (EVM)
• Mini-USB cable
• Power cable
• FMC-TSW14DL3200EVM adapter board
The following equipment is not included in the EVM evaluation kit, but is required for evaluation of this
product:
• TSW12D1620EVM-CVAL GUI software
• TSW14DL3200EVM data capture board and related items
• HSDC Pro software
• Computer (PC) running the Windows®operating system (XP, 7, 8, or 10)
• One low-noise signal generator for the analog input; TI recommends the following generators:
– Keysight™ E8663D
– Rohde & Schwarz®SMA100A or SMA100B
• Band-pass filter for the analog input signal (750 MHz or desired frequency); the following filters are
recommended:
– Band-pass filter (BPF):
• Greater than or equal to 60-dB harmonic attenuation
• Less than or equal to 5% bandwidth
• Greater than 6-dBm power
• Less than 5-dB insertion loss
– Trilithic™ 5VH-series tunable BPF
– K&L Microwave™ BT-series tunable BPF
– TTE KC6 or KC7-series fixed BPF
• Signal-path cables, SMA, or BNC (or both SMA and BNC)
By default, the TSW12D1620EVM-CVAL uses an external clock source. Future versions of the board may
support the LMX2615-SP integrated PLL/VCO onboard clock source. The following equipment is
recommended for the external clock source:
• One low-noise signal generator for the ADC DEVCLK input. TI recommends models similar to the
analog input source.
• A band-pass filter for the DEVCLK input. TI recommends a filter similar to the analog input path filter.

12-V, 3A
supply
USB 3.0 to
Host PC
5-V, 3A
supply
USB 2.0 to
Host PC
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Setup Procedure
Chapter 2
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Setup Procedure
This section describes how to setup the EVM on the bench with the proper equipment to evaluate the full
performance of the ADC device. Figure 2-1 shows the EVM test setup.
Figure 2-1. EVM Test Setup
NOTE: The HSDC Pro software must be installed before connecting the TSW12D1620EVM-CVAL
and TSW14DL3200EVM to the PC for the first time.

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Setup Procedure
2.1 Install the High-Speed Data Converter (HSDC) Pro Software
Download the most recent version of the HSDC Pro software from www.ti.com/tool/dataconverterpro-sw.
Follow the installation instructions to install the software.
2.2 Install the TSW12D1620EVM-CVAL GUI Software
1. Download the TSW12D1620EVM-CVAL graphical user interface (GUI) software from the EVM tool
folder at www.ti.com/tool/TSW12D1620EVM-CVAL.
2. Extract the files from the compressed zip file.
3. Run the executable file (setup.exe), and follow the instructions.
2.3 Connect the EVM and TSW14DL3200EVM via the FMC-TSW14DL3200EVM Adapter Card
With the power off, connect the TSW12D1620EVM-CVAL to the TSW14DL3200EVM through the FMC-
TSW14DL3200EVM adapter card as illustrated in Figure 2-1. Make sure that the standoffs provide the
proper height for robust connector connections.
2.4 Connect the Power Supplies to the Boards (Power Off)
1. Confirm that the power switch on the TSW14DL3200EVM is in the off position. Connect the power
cable to a 12-V DC (minimum 3 A) power supply. Verify the proper supply polarity by confirming that
the outer surface of the barrel connector is GND and the inner portion of the connector is 12 V.
Connect the power cable to the EVM power connector.
2. Confirm that the power switch on the TSW12D1620EVM-CVAL is on the off position. Connect the
power cable to a 5-V DC (minimum 3 A) power supply for the TSW12D1620EVM-CVAL. If using an
adjustable or lab DC power supply, adjust the voltage setting to 5.3 V. Verify the proper supply
polarity by confirming that the outer surface of the barrel connector is GND and the inner portion of the
connector is a positive voltage. Connect the power cable to the EVM power connector.
CAUTION
Make sure that the power connections to the EVMs are the correct polarity.
Failure to do so can result in immediate damage.
Make sure that the 12-V power supply is connected to the TSW14DL3200EVM
and not the TSW12D1620EVM-CVAL. Providing the TSW12D1620EVM-CVAL
with 12 V of power can result in immediate damage.
Leave the TSW12D1620EVM-CVAL and TSW14DL3200EVM power switches
in the off position until directed later.
2.5 Connect the Clock Signal Generator to the EVM (RF Output Disabled Until Further
Directed)
Connect a signal generator to the DEVCLK input of the EVM through a band-pass filter. This signal
generator must be a low-noise signal generator. In addition, TI recommends a Trilithic-tunable band-pass
filter to minimize harmonics and noise coming from the generator. Configure the signal generator for the
desired clock frequency in the range of 0.2 GHz to 1.6 GHz. For best performance when using an RF
signal generator, the power input to the CLK SMA connector must be 9 dBm (2.2 VPP into 50 Ω). The
signal generator must increase above 9 dB by an amount equal to any additional attenuation in the clock
signal path, such as the insertion loss of the band-pass filter and cables. For example, if the filter insertion
loss is 2 dB, the signal generator must be set to 9 dBm + 2 dB = 11 dBm.

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Setup Procedure
2.6 Connect the Signal Generators to the EVM (RF Outputs Disabled Until Further Directed)
Connect a signal generator to the VIN input of the TSW12D1620EVM-CVAL through a band-pass filter
and attenuator at the SMA connector. This generator must be a low-noise signal type. TI recommends a
Trilithic-tunable band-pass filter to filter the signal from the generator. Configure the signal generator for
147.77 MHz, –10 dBm.
2.7 Turn On the TSW14DL3200EVM Power and Connect to the PC
1. Turn on the 12-V power supply connected to the TSW14DL3200EVM.
2. Turn on the power switch on the TSW14DL3200EVM.
3. Connect a mini-USB 3.0 cable from the PC to the TSW14DL3200EVM.
4. If the TSW14DL3200EVM has not previously been connected to the PC, follow the on-screen
instructions to automatically install the device drivers. See the TSW14DL3200EVM user's guide for
specific instructions.
2.8 Turn On the TSW12D1620EVM-CVAL 5-V Power Supply and Connect to the PC
1. Turn on the 5-V power supply to power up the EVM.
2. Turn on the power switch on the TSW12D1620EVM-CVAL.
3. Connect the EVM to the PC with the mini-USB cable.
2.9 Turn On the Clock Signal Generator RF Output
Turn on the RF signal output of the signal generator connected to the DEVCLK input.
2.10 Turn On the Signal Generator RF Outputs
Turn on the RF signal output of the signal generator connected to VIN.

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Setup Procedure
2.11 Open the TSW12D1620EVM-CVAL GUI and Program the ADC and Clocks
The device configuration GUI is installed separately from the HSDC Pro installation and is a stand-alone
GUI.
Figure 2-2 shows the GUI open window to the EVM tab. Tabs at the top of the panel organize the
configuration into device and EVM features, with user-friendly controls and a low-level tab for directly
configuring the registers. The EVM has one configurable device: that along with the TMP461-SP is used
for temperature monitoring of the EVM and ADC. The register map for these devices is provided in the
device data sheets.
Figure 2-2. Configuration GUI: EVM Tab
1. Open the TSW12D1620EVM-CVAL GUI.
2. Select the external clock as the clock source.
3. Select Fclk = 1600 MHz as the external Fclk selection.
4. Select nonDES operating mode.
5. Click Program Clocks and ADC. This action overwrites any previous device register settings.

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Setup Procedure
2.12 Calibrate the ADC Device on the EVM
Figure 2-3 shows the GUI open window to the Control tab.
Figure 2-3. Configuration GUI: Control Tab
1. With the EVM GUI open on the PC, navigate to the Control tab.
2. To calibrate the ADC, click the CAL bit button one time, and then click the button again. This action
triggers a new on-command calibration.
NOTE: The CAL bit button executes a calibration sequence that is required for full performance.
This calibration is performed automatically during the previous step provided in Section 2.11,
but must be performed again any time the sampling rate changes, after significant
temperature change of the ADC, or after exiting the power-down mode. See the
ADC12D1620QML-SP device data sheet for details regarding the necessary calibration
sequence.

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Setup Procedure
2.13 Open the HSDC Software and Load the FPGA Image to the TSW14DL3200EVM
1. Open the HSDC Pro software.
2. Click OK to confirm the serial number of the TSW14DL3200EVM device. If multiple TSWxxxxx boards
are connected, select the model and serial number for the one connected to the TSW12D1620EVM-
CVAL.
3. Using the green pulldown, select ADC12D1620_NonLSPSM_Demux_nonDES_DCLK90_DDR.
4. When prompted, click Yes to update the firmware.
5. If the load firmare prompt does not appear, select Instrument Options>Download Firmware and choose
TSW14DL3200_FIRMWARE_COMPONENT_MODE_800M.bin.
NOTE: If the user configures the EVM with options other than the default register values, different
instructions may be required for selecting the device in HSDC Pro.
6. Enter the ADC output data rate (ƒ(SAMPLE)) as 1600M or the desired output sample rate. This number
must be equal to the actual sampling rate of the device, and must be updated if the sampling rate
changes.
7. Proceed to capture data; see Section 2.14.

Select Device Capture Data
Select Test
Select Channel Set FFT WindowingSet Display Type
Check for Coherent Freq. Auto-Calculate
Select Size of Analysis Window
Enter ADC Output Sample Rate
Enter Target ADC Input Frequency
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Setup Procedure
2.14 Capture Data Using the HSDC Pro Software
Figure 2-4 shows the HSDC Pro GUI. The following steps show how to capture data using the HSDC Pro
software:
1. Select the test to perform.
2. Select the data view.
3. Select the channel to view.
4. Click the Capture button to capture new data.
Additional tips:
• Use the Notch Frequency Bins from the Test Options file menu to remove bins around DC (eliminate
DC noise and offset) or the fundamental (eliminate phase noise from signal generators).
• Open the Capture Option dialog from the Data Capture Options file menu to change the capture depth
or to enable continuous capture or FFT averaging.
• For analyzing only a portion of the spectrum, use the Single Tone test with the Bandwidth Integration
Markers from the Test Options file menu. The Channel Power test is also useful.
• For analyzing only a subset of the captured data, set the Analysis Window (samples) setting to a value
less than the number of total samples captured and move the green or red markers in the small
transient data window at the top of the screen to select the data subset of interest.
Figure 2-4. HSDC Pro GUI

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Device Configuration
Chapter 3
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Device Configuration
The ADC device is programmable through the serial programming interface (SPI) bus accessible through
the FTDI USB-to-SPI converter located on the EVM. A GUI is provided to write instructions on the bus and
program the registers of the ADC device.
For more information about the registers in the ADC device, see the ADC12D1620QML-SP data sheet.
3.1 Tab Organization
Control of the ADC device features are available in the EVM,Temperature Control,Input/Sampling/LVDS,
and LMX2615 (may be enabled in future versions of the EVM and GUI) configuration tabs.
3.1.1 EVM (Quick Start) Tab
The EVM tab (Figure 3-1) is used to simplify initial configuration of the EVM. When the desired settings
are chosen, clicking the Program Clocks and ADC button configures the EVM for use.
Figure 3-1. Configuration GUI: EVM Tab

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Device Configuration
Configure the EVM settings as needed using the selection buttons and entry fields, then click the
Program Clocks and ADC button.
• #1 Select external clocking (future revisions of the EVM may support on-board clock generation, but
that option is not currently available)
• #2a For future use: Select the on-board clock frequency to be generated
• #2b Enter the applied external clock frequency
• #3 Set the ADC sampling mode
A history of configuration writes and reads is available by doing the following:
1. Wait until Idle is displayed in the lower left corner of the GUI
2. Double click on Idle to launch the Status Log panel
3. Right-clicking within the Status Log panel shows the available commands. A command sequence can
be saved for later usage or study by selecting the desired commands, and then right clicking and
choosing Save Selected.Figure 3-2 shows the status log panel.
Figure 3-2. Configuration GUI: Status Log Panel

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Device Configuration
3.1.2 Temperature Tab
The Temperature tab (Figure 3-3) enables readout of the different on-board temperature sensors.
Depending on the EVM configuration either or both of the TMP461 and MSP430 temperature readout
methods is available.
Figure 3-3. Configuration GUI: Temperature Tab
Click on one of the buttons to read temperatures.
•Read Temperature from TMP461: This method accesses the TMP461 using the FTDI USB to I2C
interface.
•Read Temperature from MSP430: If enabled in hardware or firmware, this method uses the MSP430
to read the TMP461 using I2C and the LMT01 devices using the pulse count interface.

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Device Configuration
3.1.3 Control Tab
The Control tab (Figure 3-4) adjusts the ADC configuration to use a number of different serial interface
registers.
Figure 3-4. Configuration GUI: Control Tab
See the ADC12D1620QML-SP data sheet for information on the specific registers used. The following list
summarizes the registers used.
• Power Down: configuration register 1
• Calibration: configuration register 1, calibration adjust
• Gain and Offset: I/Q-channel offset adjust, I/Q-channel full-scale range adjust
• DES Timing Adjust: DES timing adjust
• Aperture Delay Adjust: aperture delay coarse adjust, aperture delay fine adjust
• AutoSync/DCLK Reset: AutoSync

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Device Configuration
3.1.4 Input Sampling / LVDS Tab
Figure 3-5 shows the Input Sampling / LVDS tab.
Figure 3-5. Configuration GUI: Input Sampling / LVDS Tab
See the ADC12D1620QML-SP data sheet for information on the specific registers used. The following list
summarizes the registers used.
• Sampling Mode Settings: configuration register 1, AutoSync
• LVDS Interface Control: configuration register 1

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Device Configuration
3.1.5 Low Level View Tab
The Low Level View tab (Figure 3-6) allows configuration of the devices at the bit-field level. At any time,
the controls in Table 3-1 can be used to configure or read from the device.
Figure 3-6. Configuration GUI: Low-Level View Tab
Table 3-1. Low-Level Controls
Control Description
Register map summary Displays the devices on the EVM, registers for those devices, and the states of the registers.
• Clicking on a register field allows individual bit manipulation in the register data cluster.
• The value column shows the value of the register at the time the GUI was last updated.
• The LR column shows the value of the register at the time the register was last read.
Write register button Write to the register highlighted in the register map summary with the value in the Write Data field.
Write all button Update all registers shown in the register map summary with the values shown in the Register Map
summary.
Read register button Read from the register highlighted in the Register Map summary and display the results in the
Read Data field.
This button can be used to synchronize the GUI with the state of the hardware.
Read-all button Read from all registers in the Register Map summary and display the current state of the hardware.
Load Configuration button Load a configuration file from disk and register address and data values in the file.
Save Configuration button Save a configuration file to disk that contains the current state of the configuration registers.
Register Data cluster Manipulate individual accessible bits of the register highlighted in the register map summary.
Individual register cluster with
read or write register buttons Perform a generic read or write command to the device shown in the Block drop-down menu using the address and write data information.