Analog Devices EVAL-AD5317RDBZ Manual de usuario

EVAL-AD5317RDBZ User Guide

UG-970

One Technology Way •P. O. Box 9106 •Norwood, MA 02062-9106, U.S.A. •Tel: 781.329.4700 •Fax: 781.461.3113 •www.analog.com

Evaluation Board for the AD5317R 10-Bit, Quad-Channel, Voltage Output DAC

PLEASE SEE THE LAST PAGE FOR AN IMPORTANT

WARNING AND LEGAL TERMS AND CONDITIONS.Rev. A | Page 1 of 13

FEATURES

Full featured evaluation board in conjunction with

nanoDAC® motherboard (EVAL-MBnanoDAC-SDZ)

On-board references

Various link options

PC control in conjunction with Analog Devices, Inc., system

demonstration platform (SDP)

PACKAGE CONTENTS

EVAL-AD5317RDBZ evaluation board

EVAL-MBnanoDAC-SDZ motherboard

SOFTWARE NEEDED

EVAL-AD5317RDBZ evaluation software

HARDWARE NEEDED

EVAL-SDP-CB1Z (SDP-B board), must be purchased

separately

DOCUMENTS NEEDED

Electronic version of the AD5317R data sheet

Electronic version of the EVAL-AD5317RDBZ user guide

GENERAL DESCRIPTION

This user guide details the operation of the evaluation board for

the AD5317Rquad-channel, voltage output, digital-to-analog

converter (DAC).

The evaluation board is designed to help users quickly prototype

new AD5317R circuits and reduce design time. The AD5317R

operates from a single 2.7 V to 5.5 V supply.

For full details, see the AD5317R data sheet, which must be used in

conjunction with this user guide when using the evaluation

board.

The evaluation board interfaces to the USB port of a PC via the

SDP-B board. Software is available for download from the E VA L -

AD5317RDBZ evaluation board page to allow the user to

program the AD5317R.

EVAL-AD5317RDBZ, EVAL-MBnanoDAC-SDZ, AND SDP-B BOARDS

14449-001

Figure 1.

UG-970 EVAL-AD5317RDBZ User Guide

Rev. A | Page 2 of 13

TABLE OF CONTENTS

Features .............................................................................................. 1

Package Contents .............................................................................. 1

Software Needed............................................................................... 1

Hardware Needed ............................................................................. 1

Documents Needed.......................................................................... 1

General Description ......................................................................... 1

E VA L-AD5317RDBZ, EVAL-MBnanoDAC-SDZ, and SDP-B

Boards................................................................................................. 1

Revision History ............................................................................... 2

Evaluation Board Hardware ............................................................ 3

Motherboard Power Supplies...................................................... 3

Motherboard Link Options......................................................... 3

Daughter Board Link Options.....................................................3

Evaluation Board Software Quick Start Procedures.....................4

Installing the Software ..................................................................4

Running the Software ...................................................................4

Software Operation .......................................................................5

Evaluation Board Schematics and Artwork ...................................7

E VA L-MBnanoDAC-SDZ Motherboard ...................................7

E VA L-AD5317RDBZ Daughter Board ................................... 10

Ordering Information.................................................................... 12

Bill of Materials........................................................................... 12

REVISION HISTORY

8/2017—Rev. 0 to Rev. A

Change to Table 3 ............................................................................. 3

Change to Table 6 ........................................................................... 12

3/2017—Revision 0: Initial Version

EVAL-AD5317RDBZ User Guide UG-970

Rev. A | Page 3 of 13

EVALUATION BOARD HARDWARE

MOTHERBOARD POWER SUPPLIES

The E VA L -MBnanoDAC-SDZ motherboard supports single

and dual power supplies.

The E VA L -AD5317RDBZ evaluation board can be powered

either from the SDP port or externally using the J5 and J6

connectors, as described in Table 1.

Table 1. Power Supply Connectors

Connector No. Label Voltage

J5, Pin 1 (J5-1) VDD Analog positive power supply, VDD

single supply 5 V, dual supply 5 V.

J5, Pin 2 (J5-2) AGND Analog ground.

J5, Pin 3 (J5-3) VSS Analog negative power supply, VSS

dual supply −5 V.

J6, Pin 1 (J6-1) VLOGIC Digital supply from 1.8 V to VDD of

the daughter board DAC.

J6, Pin 2 (J6-2) DGND Digital ground.

Both the AGND and DGND inputs are provided on the board.

The AGND and DGND planes are connected at one location on

the E VA L-MBnanoDAC-SDZ. It is recommended that AGND

and DGND not be connected elsewhere in the system to avoid

ground loop problems.

All supplies are decoupled to ground with 10 µF tantalum and

0.1 µF ceramic capacitors.

MOTHERBOARD LINK OPTIONS

A number of link options are incorporated in the EVA L -

MBnanoDAC-SDZ and must be set for the required operating

conditions before using the board. Table 2 describes the positions

of the links to control the evaluation board via the SDP-B board

using a PC and external power supplies. The functions of these

link options are described in detail in Table 3. The positions listed

in Table 2 and Table 3 match the evaluation board imprints (see

Figure 12).

Table 2. Link Options Setup for SDP-B Control (Default)

Link No. Position

REF1 2.5V

REF2 EXT

REF3 EXT

REF4 EXT

LK5 C

LK6 3.3V

LK7 B

DAUGHTER BOARD LINK OPTIONS

The printed circuit board (PCB) for this board is shared between

the E VA L-AD5316RDBZ and E VA L -AD5317RDBZ daughter

boards. To configure for the E VA L-AD5317RDBZ daughter

board, it is recommended that LK1 and LK2 be removed for

proper device operation.

Table 3. Link Functions

Link No. Function

REF1 to REF4 These links select the reference source.

Position EXT selects an off-board voltage reference via the appropriate EXT_REF_x connector.

Position VDD selects VDD as the reference source.

Position 4.096V selects the on-board 4.096 V reference as the reference source.

Position 2.5V selects the on-board 2.5 V reference as the reference source.

Position 5V selects the on-board 5 V reference as the reference source.

LK5 This link selects the positive DAC analog voltage source.

Position A selects the internal voltage source from the SDP-B board. Only the 2.5 V on-board reference can be used

with this configuration.

Position B selects the internal voltage source 3.3 V from the ADP121 on the motherboard.

Position C selects an external supply voltage, VDD.

LK6 This link selects the VLOGIC voltage source.

Position 3.3V selects the digital voltage source from the SDP-B board, 3.3 V.

Position VLOGIC selects an external digital supply voltage, VLOGIC.

LK7 This link selects the negative DAC analog voltage source.

Position A selects VSS.

Position B selects AGND.

UG-970 EVAL-AD5317RDBZ User Guide

Rev. A | Page 4 of 13

EVALUATION BOARD SOFTWARE QUICK START PROCEDURES

INSTALLING THE SOFTWARE

The E VA L-AD5317RDBZ evaluation software is compatible with

Windows® Vista (64-bit/32-bit), and Windows 7 (64-bit/32-bit).

The software must be installed before connecting the SDP-B

board to the USB port of the PC to ensure that the SDP-B board

is recognized when it connects to the PC.

To install the software, take the following steps:

1. Start the Windows operating system. Download the

installation software from the E VA L -AD5317RDBZ

evaluation board page.

2. Run the setup.exe file from the installer folder if it does not

open automatically.

3. When the installation is complete, power up the evaluation

board as described in the Motherboard Power Supplies

section.

4. Connect the evaluation board to the SDP-B board and the

SDP-B board to the PC using the USB cable included in the

evaluation kit.

5. When the software detects the evaluation board, click

through any dialog boxes that appear to finalize the

installation.

RUNNING THE SOFTWARE

To run the program, take the following steps:

1. Connect the evaluation board to the SDP-B board and

connect the USB cable between the SDP-B board and the PC.

2. Power up the evaluation board as described in the

Motherboard Power Supplies section.

3. From the Start menu, click All Programs, Analog Devices,

AD5317R Evaluation Software.

4. If the SDP-B board is not connected to the USB port when

the software is launched, a connectivity error displays (see

Figure 2). Connect the evaluation board to the USB port of

the PC and wait a few seconds. When the SDP-B board is

detected, the display is updated (see Figure 3).

Alternatively, the software can be used without an evaluation

board. The software runs in simulation mode displaying expected

outputs based on the input data. The main window of the

AD5317R evaluation software then opens, as shown in Figure 4.

14449-002

Figure 2. Connectivity Error

14449-003

Figure 3. Hardware Select

EVAL-AD5317RDBZ User Guide UG-970

Rev. A | Page 5 of 13

14449-004

Figure 4. AD5317R Evaluation Software Main Window

SOFTWARE OPERATION

The software for the AD5317R allows the user to program values

to the input and DAC registers of each DAC individually or

collectively.

Write to Input Register

Click Wr it e t o Input Register to load the code of the input data

control to the input register of selected DAC in the DAC

selection box.

Update DAC Register from Input Register

Click Update DAC Register from Input Register to copy the

value in the input register to the corresponding DAC register. The

DAC outputs are automatically updated with the appropriate

voltage. The LDAC MASK setting is ignored.

Write to DAC Register

Click Write to Input and DAC Register to load the code of the

input data control to the input register and the DAC register of

the selected DAC. The DAC outputs are automatically updated

with the appropriate voltage. The LDAC MASK setting is ignored.

LDAC Control

Click Pulse LDAC to bring the LDAC pin low and then back

high. Doing this copies the data from the input registers to the

DAC registers, and the outputs update accordingly. Any DAC

updates disabled by the LDAC MASK settings are ignored.

Alternatively, the LDAC pin can be set to logic high or logic low

by clicking the corresponding LDAC HIGH or LDAC LOW

option.

Power-Down Control

Each of the DACs can be powered down individually. Each of the

DACs has an associated selection box allowing the selected DAC to

operate in normal mode or power-down mode. Click the blue

progressive disclosure option on the POWER-DOWN LOGIC

block to access the Powerdown Configuration window, as shown

in Figure 5. When the power-down settings for the DAC are

selected, click OK to write the appropriate values to the AD5317R.

The POWER DOWN indicator lights up accordingly when a

DAC is powered down.

14449-005

Figure 5. Powerdown Configuration Window

UG-970 EVAL-AD5317RDBZ User Guide

Rev. A | Page 6 of 13

GAIN Control

To set the GAIN pin high or low, click the blue progressive

disclosure option on the GAIN SELECT block to access the Gain

Control window, as shown in Figure 6. In the GAIN selection

box, select X1 for a full-scale output of 2.5 V or select X2 for a

full-scale output of 5 V.

14449-006

Figure 6. Gain Control Window

LDAC Mask Register

Each DAC can be configured to respond to or ignore the LDAC

pin settings in the LDAC Configuration window. Click the blue

progressive disclosure option to access the LDAC Configuration

window, as shown in Figure 7. When the LDAC selections are

completed, click OK to write the appropriate values to the

AD5317R. The LDAC MASK indicator lights up accordingly

when an LDAC mask of a DAC is enabled.

14449-007

Figure 7. LDAC Configuration Window

EVAL-AD5317RDBZ User Guide UG-970

Rev. A | Page 7 of 13

EVALUATION BOARD SCHEMATICS AND ARTWORK

EVAL-MBnanoDAC-SDZ MOTHERBOARD

EXT_VDD

VLOGIC

GND

EXT_VSS

SDP

STANDARD

CONNECTOR

PARALLEL

PORT

SPORT

SPI

I2C

GENERAL

INPUT/OUTPUT

TIMERS

*NC ON BLACKFIN SDP 120

119

118

GND

117

GND

116

VIO(+3.3V)

115

GND

114

PAR_D22*

113

PAR_D20*

112

PAR_D18*

111

PAR_D16*

110

PAR_D15

109

GND

108

PAR_D12

107

PAR_D10

106

PAR_D8

105

PAR_D6

104

GND

103

PAR_D4

102

PAR_D2

101

PAR_D0

100

PAR_WR

PAR_INT

GND

PAR_A2

PAR_A0

PAR_FS2

PAR_CLK

GND

SPORT_RSCLK

SPORT_DR0

SPORT_RFS

SPORT_TFS

SPORT_DT0

SPORT_TSCLK

GND

SPI_SEL_A

SPI_MOSI

SPI_MISO

SPI_CLK

GND

SDA_0

SCL_0

GPIO1

GPIO3

GPIO5

GND

GPIO7

TMR_B

TMR_D

CLK_OUT

GND

WAKE

SLEEP

GND

UART_TX

BMODE1

60 RESET_IN

59 UART_RX

58 GND

57 RESET_OUT

56 EEPROM_A0

55 NC

54 NC

53 NC

52 GND

51 NC

50 NC

49 TMR_C*

48 TMR_A

47 GPIO6

46 GND

45 GPIO4

44 GPIO2

43 GPIO0

42 SCL_1

41 SDA_1

40 GND

39 SPI_SEL1/SPI_SS

38 SPI_SEL_C

37 SPI_SEL_B

36 GND

35 SPORT_INT

34 SPI_D3*

33 SPI_D2*

32 SPORT_DT1

31 SPORT_DR1

30 SPORT1_TDV*

29 SPORT0_TDV*

28 GND

27 PAR_FS1

26 PAR_FS3

25 PAR_A1

24 PAR_A3

23 GND

22 PAR_CS

21 PAR_RD

20 PAR_D1

19 PAR_D3

18 PAR_D5

17 GND

16 PAR_D7

15 PAR_D9

14 PAR_D11

13 PAR_D13

12 PAR_D14

11 GND

10 PAR_D17*

9PAR_D19*

8PAR_D21*

7PAR_D23*

6GND

5USB_VBUS

4GND

3GND

2NC

1VIN

J10

1A0

2A1

3A2

4VSS

VCC 7

WP 6

SCL 5

SDA

24LC32

100kΩ

DNP

DGND AGND

BEAD

1.6Ω

C11

4.7µF

C10

0.1µF

+C7

10µF

1VIN

2GND

3EN 4

VOUT

ADP121-AUJZ33

1µF

LK5

J6-1

J6-2

0.1µF

10µF

LK6

J5-1

J5-2

J5-3

0.1µF

10µF

LK7

R7 100Ω

R5 100Ω

R6 100Ω

R8 100Ω

R9 100Ω

R10 100Ω

R11 100Ω

R12 100Ω

R13 100Ω

R14 100Ω

0.1µF

+C9

10µF

R15

100Ω

R16

DNP

GAIN

SCL

SDA

DB0

DB2

DB4

DB6

DB8

DB10

DB1

DB3

DB5

DB7

DB9

DB11

+3.3V

DGND

+5V

USB_VBUS

+3.3V

VDD

+3.3V

DGND

VLOGIC

DGND

+3.3V

DGND

VSS

+5V

CLR

LDAC

SCLK

SDO

SDIN

SYNC

EXT_VDD

+5V

DGND

14449-008

Figure 8. EVAL-MBnanoDAC-SDZ Motherboard SDP-B Connector and Power Supply

UG-970 EVAL-AD5317RDBZ User Guide

Rev. A | Page 8 of 13

EX_REF_1 EX_REF_2 EX_REF_3 EX_REF_4

VREF_1 VREF_2 VREF_3 VREF_4

REF3

REF4

REF1

REF2

+5VREF

+2_5VREF

+4_096VREF

VREF1

+5VREF

+2_5VREF

+4_096VREF

VREF2

+5VREF

+2_5VREF

+4_096VREF

VREF3

+5VREF

+2_5VREF

+4_096VREF

VREF4

VDD VDD VDD VDD

14449-009

+2.5V +4.096V

C16

1µF

C15

1µF

OUTPUT

2VS

3SLEEP

GND

REF198

C17

1µF

+5V

+2.5V +4.096V

2VIN

5TRIM

VOUT

GND

ADR445ARMZ

2VIN

GND

TRIM

7COMP

VOUT

ADR431BRZ

+5VREF

+2_5VREF +4_096VREF

VDD VDD

VDD

Figure 9. EVAL-MBnanoDAC-SDZ Motherboard Reference Voltage Selector Circuit

DAUGHTER BOARD CONNECTOR

SPI PMOD CONNNECTOR GPIO PMOD CONNNECTOR

I2C PMOD CONNNECTOR

1 2

3 4

5 6

7 8

910

11 12

13 14

15 16

SDIN SDO SCLK SYNC SCL LDAC CLR PD GAIN SDA

1 2

3 4

5 6

7 8

J8-1

J8-2

J8-3

J8-4

J8-5

J8-6

J7-1

J7-2

J7-3

J7-4

J7-5

J7-6

J3-1

J3-2

J3-3

J3-4

J3-5

J3-6

J4-1

J4-2

J4-3

J4-4

J4-5

J4-6

J4-7

J4-8

VDD

VREF1

VREF2

VREF3

VREF4

VLOGIC

SDASCL

SYNC

SCLK

SDO

SDIN LDAC

CLR

GAIN

DB6

DB7

DB8

DB9

DB0

DB1

DB2

DB3

VOUT_0

VOUT_1

VOUT_2

VOUT_3

VOUT_4

VOUT_5

VOUT_6

VOUT_7

SCL

SDA

DGND

VLOGIC

SCL

SDA

DGND

VLOGIC

SYNC

SDO

SDIN

SCLK

DGND

VLOGIC

GAIN

DGND

LDAC

CLR

VLOGIC

DGND

CS WR

DB11

DB5

DB10

DB4

AGND

14449-010

Figure 10. EVAL-MBnanoDAC-SDZ Motherboard Connectors to Daughter Board and Serial Interface

VOUT_0

VOUT_1

VOUT_2

VOUT_3

VOUT_4

VOUT_5

VOUT_6

VOUT_7

U10-A

AD8608ARUZ

–

U10-B

AD8608ARUZ

–

U10-C

AD8608ARUZ

–

U10-D

AD8608ARUZ

2–

U7-A

AD8616ARZ

6–

U7-B

AD8616ARZ

V+

V–

U7-C

AD8616ARZ

2–

V–

V+

U11

AD8655

2–

V–

V+

U12

AD8655

VOUT_0

VOUT_1

VOUT_2

VOUT_3

VOUT_4

VOUT_5

VOUT_6

VOUT_7

VDD

VSS

VDD

VSS

14449-011

Figure 11. EVAL-MBnanoDAC-SDZ Motherboard Output Amplifier Circuit

EVAL-AD5317RDBZ User Guide UG-970

Rev. A | Page 9 of 13

14449-012

Figure 12. EVAL-MBnanoDAC-SDZ Motherboard Component Placement

14449-013

Figure 13. EVAL-MBnanoDAC-SDZ Motherboard Top Side Routing

UG-970 EVAL-AD5317RDBZ User Guide

Rev. A | Page 10 of 13

14449-014

Figure 14. EVAL-MBnanoDAC-SDZ Motherboard Bottom Side Routing

EVAL-AD5317RDBZ DAUGHTER BOARD

VREF

VDD

4GND

VOUT_A

VOUT_B

VOUT_C

VOUT_D

8SDA

13 SCL

14 A1

12 A0

16 RSTSEL

10 GAIN

9LDAC

15 RESET

VLOGIC

AD5317RBRUZ

C3 0.1µF

C4 10µF

C1 0.1µF

C2 10µF

R1 DNP

VOUT_A

R2 DNP

VOUT_B

R3 DNP

VOUT_C

R4 DNP

VOUT_D

DNP

LK2

LK1

J3-1

J3-2

J3-3

J3-4

J3-5

J3-6

J4-1

J4-2

J4-3

J4-4

J4-5

J4-6

J4-7

J4-8

1 2

3 4

5 6

7 8

910

11 12

13 14

15 16

DNI

R10

DNI

R12

DNI

R13

DNI

0Ω

R11

0Ω

GAIN

LDAC

VDD

VLOGIC

VREF1

VOUT_0

VOUT_1

VOUT_2

VOUT_3

SDA

SCL

SYNC

SCLK

SDIN

VLOGIC

VDD

VREF1

VREF2

VREF3

VREF4

VLOGIC

SDASCL

SYNC

SCLK

SDO

SDIN LDAC

CLR

GAIN

VOUT_0

VOUT_1

VOUT_2

VOUT_3

VOUT_4

VOUT_5

VOUT_6

VOUT_7

DB6

DB7

DB8

DB9

DB0

DB1

DB2

DB3

DGND

DB11

DB5

DB10

DB4

AGND

DGND

14449-015

Figure 15. EVAL-AD5317RDBZ Daughter Board Schematics

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