maxim integrated MAX20830 Evaluation Kit

Product Information

Specifications

• Product: MAX20830/MAX20830T Evaluation Kit
• Key Features: Design flexibility with converter configuration parameters, PMBus communication
• Manufacturer: Analog Devices

Product Usage Instructions

Quick Start

Required Equipment

• PC with internet access
• USB cable
• Power supply (2.7V to 16V)
• Electronic load
• Multimeter/scope probe

Procedure

1. Download and install the Digital PowerTool Software from Analog Devices website.
2. Connect the USB cable from the PC to the MAXPOWERTOOL002 interface adapter.
3. Connect the adapter ribbon cable to the header J1 on the EV kit, aligning Pin1 with the red wire.
4. Connect power supply to J5 and J8, and optional sense leads to TP4 and TP7.
5. Connect electronic load to screw terminals ST1 and ST2 observing polarity.
6. Check jumper configurations according to Table 1.
7. Connect VOUT scope probe/multimeter to TP8 and TP11.
8. Turn on power supply and start GUI software.
9. Enable IC using SW1 toggle switch or PowerTool GUI commands.
10. If applicable, enable electronic load.
11. Verify VOUT = 1V and perform efficiency measurements using J4 and J6.

FAQ

• Q: How do I stop all PMBus transactions in the PowerTool GUI?
  A: Click the Stop Communication button on the Dashboard tab of the PowerTool software.

• Q: How can I force detection of all active devices on the bus?
  A: Click the Search for Devices button on the Dashboard tab of the PowerTool software.

Evaluates: MAX20830/MAX20830T

General Description
The MAX20830 evaluation kit (EV kit) is a reference design platform designed for evaluation of the MAX20830/MAX20830T single-output, fully integrated, highly efficient, step-down DC-DC switching regulators with a PMBus™ interface. The MAX20830/MAX20830T have an internal 1.8V LDO output to power the gate drives (VCC) and internal circuitry (AVDD). The devices also have an optional LDO input pin (LDOIN), allowing connection from a 2.5V to 5.5V bias input supply for optimized efficiency. The EV kit is capable of delivering up to 30A to the load. The EV kit package is a fully assembled and tested multilayer PCB implementation of high efficiency and high-power density.
The selection of key converter configuration parameters acting on two external resistors allows the design flexibility to match several application scenario requirements.
Refer to the MAX20830 IC data sheet for detailed information regarding the description, features, benefits, and parameters.

Features and Benefits

• Wide 2.7V to 16V Input Voltage Range
• 0.4V to 5.8V Output Voltage Range
• Selectable: Switching Frequency, OCP Threshold, DEM Feature, DCM Mode, Voltage Loop Gain, and PMBus Address
• High Efficiency and Power Density
• Low Component Count
• Proven PCB Layout
• Fully Assembled and Tested for Basic Functionality

Ordering Information appears at end of data sheet.

PMBus is a trademark of SMIF, Inc.
Windows is a registered trademark of Microsoft Corp.

MAX20830 Evaluation Kit

Quick Start
Required Equipment

• MAX20830 EV Kit
• MAX20830 EV Kit Data Sheet (This Document)
• 2.7V to 16V Power Supply with Optional 3.3V External Power Supply
• 0 to 30A Load
• Digital Multimeters
• Oscilloscope and Probes
• Windows® PC with a Spare USB Port
• MAXPOWERTOOL002  USB-to-SMBus  Interface  (Order Separately)
• Maxim Digital PowerTool GUI Software

Procedure
The EV kit is fully assembled and tested. Use the following steps to install the EV kit software, make required hardware connections, verify basic board operations, and operate the EV kit.

Note: Do not supply VIN until the board has been correctly configured and has the input and output cables connected.

1. Visit the Analog Devices website to download and install the latest version of the Digital PowerTool Software.
2. Connect the USB cable from the PC to the MAXPOWERTOOL002 interface adapter.
3. Connect the adapter ribbon cable to the matching header J1 on the EV kit, ensuring that J1-Pin1 is adjacent to the red wire on the ribbon cable.
4. Connect a powered-off 2.7V to 16V input supply to J5 (positive terminal) and J8 (negative terminal). Optionally, connect supply sense leads to TP4 (positive sense) and TP7 (negative sense) for best accuracy. If external bias is preferred, connect a powered-off 3.3V power supply to TP3 (positive terminal) and TP6 (negative terminal).
5. Connect the electronic load to the outputs at screw terminals ST1 and ST2, being careful to observe the VOUT and GND polarity that is indicated by the silkscreen labels.
6. Verify that the position of each jumper on the board is correct according to the configuration that needs to be tested (see Table 1 for jumpers).
7. Connect the VOUT scope probe/multimeter to TP8 (positive) and TP11 (negative).
8. Turn on the power supply.
9. Start the GUI software. The Dashboard window should appear as shown in Figure 1.
10. Enable the IC by positioning the SW1 toggle switch or by setting the OPERATION and ON_OFF_CONFIG commands in the PowerTool GUI.
11. Enable the electronic load if applicable.
12. Observe that VOUT = 1V.
13. For efficiency measurement, J4 is used to measure VIN and J6 is used to measure VOUT.

MAX20830 EV Kit Photo

MAX20830 Evaluation Kit

Table 1. Jumper Connection Guide

Detailed Description of Software

• The PowerTool software presents system-level information on the Dashboard tab. This view collects basic information for all Analog Devices PMBus devices found on the bus. This tab configures sequencing and output voltage levels and presents an overview of the system status. Clicking the Stop Communication button stops all PMBus transactions from the PowerTool GUI. To force detection of all active devices on the bus, click the Search for Devices button.
• For detailed information on a particular device, click on the sub-tab for that device’s target address. This opens a view with a set of further sub-tabs specific to that device, as shown in Figure 2. The sub-tabs available vary depending on the GUI version and the connected device’s capability, but typically include Configuration, Monitor, Faults Set, and PMBus Command.
• The Configuration tab presents the most commonly used PMBus command data in human-readable form. The device status is updated by continuous polling of these commands. Configuration settings for an individual device can be saved to or restored from an external file. PMBus command settings can be saved to or restored from the device’s internal nonvolatile memory as well.
• The Monitor tab shows continuously updated telemetry data from the device. Rolling plots of output voltage, input voltage, output current, and temperature data are shown, including indication of fault limits relative to the operating point.
• The Faults Set tab allows the user to configure and monitor the status of most protection and warning functions. The fault levels and fault response commands are configured from this tab. The full contents of the STATUS_ register commands are available by clicking the View Fault/Warning bit by bit button. Fault and warning flags are cleared by clicking the Clear Fault/Warning button, which sends the CLEAR_FAULTS PMBus command to the device.
• The PMBus Command tab shows all supported PMBus commands in a series of sub-tabs, allowing detailed configuration and analysis of the command values. The user can view the command values in hexadecimal or decimal format by checking or clearing the Force Hex checkbox. The Use PEC checkbox enables or disables Packet Error Checking for all GUI communications. Note that the command data is continuously updated by polling; typing a new value into the text boxes causes the new value to be sent to the device.

Detailed Description of Hardware
This EV kit should be used with the following documents:

• MAX20830 IC data sheet
• MAX20830/MAX20815/MAX20810 PMBus Command Set User Guide
• MAX20830 EV kit data sheet (this document)

For the latest versions of these documents, refer to the MAX20830 product page.

Bode Plot

A 10Ω resistor is installed between the VOUT sense point and SNSP pin to measure the Bode plot. The TP13 and TP14 test points are provided on the board on either side of the 10Ω resistor for small signal injection and the ability to measure the Bode plot for VOUT.

Operation

The MAX20830/MAX20830T ICs are monolithic, single-output, high-frequency, step-down converters with a PMBus interface and optional external bias LDO optimized for applications requiring high-power density and high efficiency. Detailed product and application information is provided in the MAX20830 IC data sheet.

• Output Enable (OE)
  The OE pin is used to enable/disable the operation and, therefore, the output voltage. On the EV kit board, the selection switch SW1 is present to allow enabling and disabling of the regulator.

• Output Voltage Selection
  The MAX20830 EV kit is set up to initially boot up to an output voltage of 1V. The device has a default 0.5V reference voltage. The reference voltage can be adjusted by the PMBus VOUT_COMMAND from 0.4V to 0.8V with 1.95mV resolution. When the output voltage is higher than VREF, this is accomplished by placing a voltage-divider in the feedback path.

  • VOUT = VREF x (1 + RFB1/RFB2) where:
  • VOUT = Output voltage
  • VREF = Reference voltage
  • RFB1 = Top divider resistor
  • RFB2 = Bottom divider resistor

Soft-Start
When VDDH and EN are above their rising thresholds, soft-start begins and switching is enabled. The output voltage of the enabled output starts to ramp up. The default soft-start ramp time is 1ms. The 3ms soft-startup time option can be selected by the PMBus MFR_SCENARIO_1 command. The device supports smooth startup with the output prebiased.

Switching Frequency
Switching frequency is a programmable parameter, and PGM1 is used to select the switching frequency. For the EV kit, switching frequency is set to 500kHz by default. Refer to the PGM1 Switching Frequency and Scenario Selection table (Table 2) in the MAX20830 IC data sheet. Switching frequency can also be changed by using the PMBus MFR_PINSTRAP command.

Pin-Strap Programmability
The EV kit provides an option to configure the part for desired application using PGMx resistor values. Refer to Table 1 and Table 2 in the MAX20830 IC data sheet. Appropriate values of resistors R2 and R5 can be used for desired application.

Transient
The EV kit provides an option to connect to Analog Device’s internal MINILOAD fast transient load generator to perform fast load transient testing through a J2 connector.

Status Monitoring
Whenever the part is actively regulating and the output voltage is within the power-good window, the PGOOD pin is high. In all other conditions, including enabled but in a fault state, the PGOOD pin is pulled low. The detailed fault can be viewed in the GUI. Refer to the MAX20830 IC data sheet for more details.

Input-Voltage
The input supply can be monitored on TP4 for VDDH and TP7 for GND.

Switching-Voltage Monitoring
The switching waveform can be monitored on TP15.

Output-Voltage Monitoring
TP8 and TP11 monitor the output voltage. These test points should not be used for loading.

Efficiency Testing
J4 is provided to measure VIN during efficiency measurement. Additionally, J6 is provided to measure VOUT during efficiency measurement.

Ordering Information

Denotes RoHS-compliant.

MAX20830 EV Kit Bill of Materials

ITEM| REF_DES| DNI/ DNP| QTY| MFG_PART#| MFG| VALUE| DESCRIPTION
---|---|---|---|---|---|---|---
1| C1| –| 1| GRM155R60J475ME87; GRM153R60J475ME15;

GRM155R60J475ME47

| MURATA; MURATA;

MURATA

| 4.7UF| CAP; SMT (0402); 4.7UF; 20%; 6.3V; X5R; CERAMIC
2| C2, C9, C11, C33, C38, C42, C46, C54, C55| –| 9| GRM31CD80J107ME39| MURATA| 100UF| CAP; SMT (1206); 100UF; 20%; 6.3V; X6T; CERAMIC
3| C4| –| 1| GRM155R60J104KA01; C0402C104K9PAC| MURATA; KEMET| 0.1UF| CAP; SMT (0402); 0.1UF; 10%; 6.3V; X5R; CERAMIC
4| C6| –| 1| CL05B105KQ5NQNC;

GRM155R70J105KA12

| SAMSUNG ELECTRONICS;

MURATA

| 1UF| CAP; SMT (0402); 1UF; 10%; 6.3V; X7R;

CERAMIC

5| C10| –| 1| GRM155R60J474KE19| MURATA| 0.47UF| CAP; SMT (0402); 0.47UF; 10%; 6.3V; X5R; CERAMIC
6| C13| –| 1| C0402C101J5GAC; NMC0402NPO101J; CC0402JRNPO9BN101;

GRM1555C1H101JA01; C1005C0G1H101J050BA

| KEMET;

NIC COMPONENTS CORP.; YAGEO PHICOMP; MURATA;

TDK

| 100PF| CAP; SMT (0402); 100PF; 5%; 50V; C0G; CERAMIC
7| C14| –| 1| C1608X5R1E105M080AC| TDK| 1UF| CAP; SMT (0603); 1UF; 20%; 25V; X5R;

CERAMIC

8| C17, C47| –| 2| GRM155R71E104KE14; C1005X7R1E104K050BB; TMK105B7104KVH; CGJ2B3X7R1E104K050BB| MURATA; TDK; TAIYO YUDEN; TDK| 0.1UF| CAP; SMT (0402); 0.1UF; 10%; 25V; X7R; CERAMIC
9| C20-C22, C30, C45| –| 5| CL31X226KAHN3N; GRM31CC81E226KE11| SAMSUNG; MURATA| 22UF| CAP; SMT (1206); 22UF; 10%; 25V; X6S; CERAMIC
10| C26| –| 1| C0402C102K5GAC| KEMET| 1000PF| CAP; SMT (0402); 1000PF; 10%; 50V; C0G; CERAMIC
11| C29| –| 1| TMK105BJ104KV; GRM155R61E104KA87| TAIYO YUDEN; MURATA| 0.1UF| CAP; SMT (0402); 0.1UF; 10%; 25V; X5R; CERAMIC
12| C32, C36, C37, C39| –| 4| T521X107M025ATE060| KEMET| 100UF| CAP; SMT (7343); 100UF; 20%; 25V; TANTALUM
13| C34| –| 1| C1005X7S0J225K050BC;

GRM155C70J225KE11

| TDK;

MURATA

| 2.2UF| CAP; SMT (0402); 2.2UF; 10%; 6.3V; X7S;

CERAMIC

14| C35| –| 1| T491X107K025A| KEMET| 100UF| CAP; SMT (7343-43); 100UF; 10%; 25V; TANTALUM
15| D1, D3| –| 2| MBRS540T3G| ON SEMICONDUCTOR| MBRS54

0T3

| DIODE; SCH; SURFACE MOUNT SCHOTTKY

POWER RECTIFIER; SMC; PIV=40V; IF=5A

16| DS1| –| 1| LGL29K-G2J1-24-Z| OSRAM| LGL29K- G2J1-24- Z| DIODE; LED; SMARTLED; GREEN; SMT; PIV=1.7V; IF=0.02A
17| J1| –| 1| TSW-108-07-T-D| SAMTEC| TSW- 108-07- T-D| CONNECTOR; MALE; THROUGH HOLE; TSW SERIES; 0.0125INCH SQUARE POST HEADER; STRAIGHT; 16PINS
18| J2| –| 1| UPS-08-01-01-L-RA| SAMTEC| UPS-08- 01-01-L- RA| CONNECTOR; FEMALE; THROUGH HOLE; DUAL LEAF POWER HEADER; RIGHT ANGLE; 8PINS
19| J4, J6, J7| –| 3| PCC02SAAN| SULLINS| PCC02S AAN| CONNECTOR; MALE; THROUGH HOLE; BREAKAWAY; STRAIGHT THROUGH; 2PINS; –

65 DEGC TO +125 DEGC

20| J5, J8, TP3, TP6| –| 4| 6095| KEYSTONE| 6095| CONNECTOR; FEMALE; PANELMOUNT; NON- INSULATED RECESSED HEAD BANANA JACK; STRAIGHT THROUGH; 1PIN
21| J9| –| 1| PCC03SAAN| SULLINS| PCC03S AAN| CONNECTOR; MALE; THROUGH HOLE; BREAKAWAY; STRAIGHT THROUGH; 3PINS; – 65 DEGC TO +125 DEGC
22| J10| –| 1| 131-3701-266| JOHNSON COMPONENTS| 131-

3701-

266

| CONNECTOR; MALE; THROUGH HOLE; SMB JACK VERTICAL PCB MOUNT; STRAIGHT; 5PINS
23| L1| –| 1| FP1008R5-R220-R| EATON POWERING BUSINESS WORLDWIDE| 220NH| INDUCTOR; SMT; FERRITE; 220NH; 10%; 79A;
24| MH1-MH4| –| 4| 9032| KEYSTONE| 9032| MACHINE FABRICATED; ROUND-THRU HOLE SPACER; NO THREAD; M3.5; 5/8IN; NYLON
25| Q1| –| 1| BSS138| ON SEMICONDUCTOR| BSS138| TRAN; LOGIC LEVEL ENHANCEMENT MODE FIELD EFFECT TRANSISTOR; NCH; SOT-23; PD-(0.36W); I-(0.22A); V-(50V); -55 DEGC TO

+150 DEGC

26| R1| –| 1| CRCW04024R70FK| VISHAY DALE| 4.7| RES; SMT (0402); 4.7; 1%; +/-100PPM/DEGC; 0.0630W
27| R2| –| 1| ERJ-2RKF2000| PANASONIC| 200| RES; SMT (0402); 200; 1%; +/-100PPM/DEGC; 0.1000W
28| R3| –| 1| TNPW040249R9BE; RG1005P-49R9-B-T; ERA-2AEB49R9| VISHAY;

SUSUMU CO LTD.; PANASONIC

| 49.9| RES; SMT (0402); 49.9; 0.10%; +/- 25PPM/DEGC; 0.0630W
29| R5| –| 1| ERJ-2RKF3090| PANASONIC| 309| RES; SMT (0402); 309; 1%; +/-100PPM/DEGC; 0.1000W
30| R6| –| 1| RC0402FR-070RL| YAGEO| 0| RES; SMT (0402); 0; 1%; JUMPER; 0.0630W
31| R7, R12| –| 2| ERJ-2RKF3301| PANASONIC| 3.3K| RES; SMT (0402); 3.3K; 1%; +/-100PPM/DEGC; 0.1000W
32| R9, R13| –| 2| CRG0402F1K0| TE CONNECTIVITY| 1K| RES; SMT (0402); 1K; 1%; +/-100PPM/DEGC; 0.0630W
33| R14| –| 1| ERJ-2RKF10R0| PANASONIC| 10| RES; SMT (0402); 10; 1%; +/-100PPM/DEGC;

0.1000W

34| R15| –| 1| RC0402JR-070RL;| YAGEO PHYCOMP;| 0| RES; SMT (0402); 0; 5%; JUMPER; 0.0630W
| | | | CR0402-16W-000RJT| VENKEL LTD.| |
---|---|---|---|---|---|---|---
35| R16, R41| –| 2| CRCW040220K0FK| VISHAY DALE| 20K| RES; SMT (0402); 20K; 1%; +/-100PPM/DEGC; 0.0630W
36| R42| –| 1| RC0603FR-07100RL;

CR0603-FX-1000ELF

| YAGEO;

BOURNS

| 100| RES; SMT (0603); 100; 1%; +/-100PPM/DEGC;

0.1000W

37| R51| –| 1| ERJ-3EKF2100| PANASONIC| 210| RES; SMT (0603); 210; 1%; +/-100PPM/DEGK; 0.1000W
38| ST1, ST2| –| 2| 7808| KEYSTONE| 7808| TERMINAL; BODY LENGTH=0.67IN; BODY WIDTH=0.47IN; HEIGHT=0.45IN; SCRW;

BRASS

39| SU1| –| 1| S1100-B; SX1100-B; STC02SYAN| KYCON; KYCON; SULLINS ELECTRONICS CORP.| SX1100- B| TEST POINT; JUMPER; STR; TOTAL LENGTH=0.24IN; BLACK; INSULATION=PBT;PHOSPHOR BRONZE CONTACT=GOLD PLATED
40| SW1| –| 1| GT21MCBE| C&K COMPONENTS| GT21MC BE| SWITCH; DPDT; THROUGH HOLE; 20V; 0.4VA; GT SERIES; SEALED ULTRAMINIATURE TOGGLE SWITCH; RCOIL= 0.05 OHM; RINSULATION=10G OHM; C&K COMPONENTS
41| TP1, TP2, TP5, TP7, TP9, TP11, TP18| –| 7| 5011| KEYSTONE| N/A| TEST POINT; PIN DIA=0.125IN; TOTAL LENGTH=0.445IN; BOARD HOLE=0.063IN; BLACK; PHOSPHOR BRONZE WIRE SILVER PLATE FINISH;
42| TP4, TP8, TP10, TP12, TP17| –| 5| 5010| KEYSTONE| N/A| TEST POINT; PIN DIA=0.125IN; TOTAL LENGTH=0.445IN; BOARD HOLE=0.063IN; RED; PHOSPHOR BRONZE WIRE SIL;
43| TP13, TP14, TP29, TP30, TP_CLK, TP_DATA| –| 6| 5126| KEYSTONE| N/A| TEST POINT; PIN DIA=0.125IN; TOTAL LENGTH=0.445IN; BOARD HOLE=0.063IN; GREEN; PHOSPHOR BRONZE WIRE SILVER PLATE FINISH;
44| TP15| –| 1| USE FOR COLD TEST: 5015| KEYSTONE| N/A| TEST POINT; SMT; PIN LENGTH=0.135IN; PIN WIDTH=0.07IN; PIN HEIGHT=0.06IN; SILVER;

PHOSPHOR BRONZE WITH SILVER PLATE CONTACT

45| U1| –| 1| MAX20830AFE+/MAX20830 TAFE+| ANALOG DEVICES| MAX208 30AFE+/ MAX208 30TAFE

| EVKIT PART – IC; MAX20830/MAX20830T; 30A; 2MHZ; 2.7V TO 16V INTEGRATED STEP- DOWN SWITCHING REGULATOR WITH PMBUS; PACKAGE OUTLINE DRAWING: 21-100432/21- 100528; LAND PATTERN NUMBER: 90-

100156/90-100191; PACKAGE CODE: F164A6F-

1/F164A6F-2; FC2QFN16

46| PCB| –| 1| MAX20830| ANALOG DEVICES| PCB| PCB:MAX20830
47| C3, C5, C7, C8, C12, C48, C50| DNP| 7| GRM31CD80J107ME39| MURATA| 100UF| CAP; SMT (1206); 100UF; 20%; 6.3V; X6T; CERAMIC
48| C15, C23| DNP| 2| C0402C103J3RAC| KEMET| 0.01UF| CAP; SMT (0402); 0.01UF; 5%; 25V; X7R; CERAMIC
49| C16| DNP| 1| C0402C473J8RAC| KEMET| 0.047UF| CAP; SMT (0402); 0.047UF; 5%; 10V; X7R; CERAMIC
50| C18, C25| DNP| 2| C0402C479D8GAC| KEMET| 4.7PF| CAP; SMT (0402); 4.7PF; +/-0.5PF; 10V; C0G; CERAMIC
51| C24| DNP| 1| C1608X5R1E105M080AC| TDK| 1UF| CAP; SMT (0603); 1UF; 20%; 25V; X5R; CERAMIC
52| C28| DNP| 1| GRM155R71E472KA01| MURATA| 4700PF| CAP; SMT (0402); 4700PF; 10%; 25V; X7R; CERAMIC
53| C31, C40| DNP| 2| T491X477K010AT| KEMET| 470UF| CAP; SMT (7343); 470UF; 10%; 10V;

TANTALUM

54| R4| DNP| 1| ERJ-P08J101| PANASONIC| 100| RES; SMT (1206); 100; 5%; +/-200PPM/DEGC; 0.6600W
55| R10| DNP| 1| CRG0402F1K0| TE CONNECTIVITY| 1K| RES; SMT (0402); 1K; 1%; +/-100PPM/DEGC; 0.0630W
56| R11, R19| DNP| 2| RC0402JR-070RL; CR0402-16W-000RJT| YAGEO PHYCOMP; VENKEL LTD.| 0| RES; SMT (0402); 0; 5%; JUMPER; 0.0630W

MAX20830 EV Kit Schematic

MAX20830 EV Kit PCB Layout

• MAX20830 EV Kit Component Placement Guide—Top Silkscreen
• MAX20830 EV Kit PCB Layout—Top
• MAX20830 EV Kit PCB Layout—Layer 2
• MAX20830 EV Kit PCB Layout—Layer 3
• MAX20830 EV Kit PCB Layout—Layer 4
• MAX20830 EV Kit PCB Layout—Layer 5
• MAX20830 EV Kit PCB Layout—Bottom
• MAX20830 EV Kit Component Placement Guide—Bottom Silkscreen

Revision History

REVISION

NUMBER

| REVISION

DATE

| DESCRIPTION| PAGES

CHANGED

---|---|---|---
0| 6/23| Initial release| —
1| 12/23| Added MAX20830T information; updated EV kit photos; updated Table 1; added

description of “Transient;” updated Ordering Information Table; updated it ill of Materials, Schematic, and PCB Layout

| **** 1-3, 5-13

Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners.
Analog Devices | 14

www.analog.com

References

• Software Download | Analog Devices
• MAX20830 Datasheet and Product Info | Analog Devices

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