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Texas Instruments AMC7823 EVM, User Manual

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Texas Instruments AMC7823 EVM User Manual Download Page 14

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B

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D

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ti

12500 TI Boulevard.  Dallas, Texas 75243

Title:

SHEET:

OF:

FILE:

SIZE:

DATE:

REV:

19-Aug-2005

Drawn By:

Engineer:

Revision History

REV

ECN Number

Approved

AMC7823 Rev A.Sch

DOCUMENTCONTROL #

+5VA

+3.3VA

+3.3VD

-5VA

VCC

+3.3VA +5VD

W11

1

2

3

4

5

6

7

8

9

10

11 12
13 14
15 16
17 18
19 20

J4

Serial Header 2

1

2

3

4

5

6

7

8

9

10

J6

AMC7823 EVM

A

1

J. PARGUIAN

VSS

+5VD

1

6468332

+5VA

+1.8VD

+3.3VD

1

2

3

J11

DNP

1

2

3

J12

DNP

1

2

3

4

5

6

7

8

9

10

11 12
13 14
15 16

20

17
19

18

J2

Serial Header 1

GPIO1_B

SCL

SDA

GPIO2_B

GALR

ELDAC

+5VD

C5
10µF

IOVDD

+3.3VD

R14

5K

C2
0.47µF

W3

R20

150

D5

GREEN

TP2

R7

DNP

R8

DNP

+5VA

TP1
EXT_REF_IN

DVDD

AVDD

W2

R23

150

D1

GREEN

W1

SML-LX1206SUGC-TR

SML-LX1206SUGC-TR

+3.3VA

1

2

J3

DAV

W6

TP4

CH2

13

CH1

12

AVDD

16

CH3

14

CH0

11

THERM_I_OUT

5

ISET_RES

4

EXT_REF_IN

21

SCLK

32

MOSI

33

MISO

34

SS

35

GPIO0/ALR0

27

GPIO3/ALR3

30

GPIO1/ALR1

28

GPIO2/ALR2

29

CONVERT

31

GPIO4

39

GPIO5

40

GALR

1

DAV

2

ELDAC

3

DGND

38

BVDD

36

DVDD

37

RESET

26

CH4

17

CH5

18

CH6

19

CH7

20

DAC0_OUT

6

DAC1_OUT

7

DAC2_OUT

8

DAC3_OUT

9

DAC4_OUT

22

DAC5_OUT

23

DAC6_OUT

24

DAC7_OUT

25

SGND

10

AGND

15

U1

AMC7823

OUT

2

GND

3

IN

1

REF1

REF3112

C4
10µF

1

2

3

4

5

6

7

8

9

10

11 12
13 14
15 16

20

17
19

18

J1T

Analog Input

1

2

3

4

5

6

7

8

9

10

11 12
13 14
15 16

20

17
19

18

J5

Analog Output

CS
SCLK
CLKR
FSX
FSR
MOSI
MISO

RESET

CONVERT

VCOM1

REFIN

R1
10K

+5VD

C7
10µF

+3.3VD

W4

AVDD

DVDD

R4

50K

R5

50K

R6

50K

R9

50K

R10

50K

DVDD

R3

50K

W5

SS

GPIO0_A

GPIO1_A
GPIO2_A

GPIO3_A
GPIO4_A

GPIO5_A

C9

150pF

C10

150pF

C11

150pF

C12

150pF

C13

150pF

C14

150pF

C15

150pF

C16

150pF

2

4

5

3

U2

SN74LVC1G07DBV

IOVDD

C18

0.1µF

2

4

5

3

U3

SN74LVC1G07DBV

IOVDD

C17

0.1µF

C3
DNP

C6
DNP

C1
DNP

C8

DNP

Note:

DNP = Do Not Populate

OUT

2

GND

3

IN

1

REF2

REF3125

C20
0.47µF

C19
DNP

W7

REFIN

1

2

3

4

5

6

7

8

9

10

11 12
13 14
15 16

20

17
19

18

J1B

Analog Input

REFIN

VCOM1

Ain0
Ain1
Ain2
Ain3
Ain4
Ain5
Ain6
Ain7

Ain0
Ain1
Ain2
Ain3
Ain4
Ain5
Ain6
Ain7

VSS

4

VCC

8

A0

1

A1

2

A2

3

WP

7

SC

L

6

SD

A

5

U4

24LC64I/SN

IOVDD

SCL

SDA

W10

R2
2.7K

C21
0.1µF

W8

BCLK

TOUT
GPIO5_B

W9

LRCLK

SGND

AGND

DGND

R11
2.7K

R12
2.7K

IOVDD

1
2

First Protoytpe Board
Added R11 and R12

A

R13

47K

Fixed J1T drill holes & J3, J11,
J12 & W3 orientation. Added
47K pull-down on ELDAC.

Summary of Contents for AMC7823 EVM

Page 1: ...tory Default Jumper Settings 9 3 Jumper Settings and Functions 11 This chapter gives a general overview of the AMC7823 evaluation module EVM and describes some of the factors that must be considered in using this module This EVM features the AMC7823 analog monitoring and control circuit device The AMC7823 EVM is a simple evaluation module designed for a quick and easy way to evaluate the functiona...

Page 2: ...potential damage to the EVM board make sure that the correct cables are connected to their respective terminals as labeled on the EVM board Stresses above the maximum listed voltage ratings may cause permanent damage to the device 1 2 2 Reference Voltage The AMC7823 comes with an internal bandgap reference that is software selectable between 1 25 V and 2 5 V where the default on power up is 1 25 V...

Page 3: ... interface is also available to fit and mate with the TI C5000 and C6000 DSP starter kit DSK This alleviates the troubles involved in building a custom cable In addition there is also an MSP430 based platform HPA449 that uses the MSP430F449 microprocessor which this EVM can connect to and interface with as well For more details or information regarding the 5 6k adapter interface card or the HPA449...

Page 4: ...truments This EVM form factor allows direct evaluation of the AMC7823 operating characteristics and speeds up software development and other prototyping needs The AMC7823 EVM board is constructed on a four layer printed circuit board using a copper clad FR 4 laminate material The printed circuit board has dimensions of 93 9800 mm 3 7000 inch 81 2800 mm 3 200 inch and the board thickness is 1 5748 ...

Page 5: ...www ti com PCB Design Figure 3 Top Layer Signal Plane Figure 4 Internal Layer 1 Split Ground Plane SLAU171 November 2005 AMC7823 Evaluation Module 5 ...

Page 6: ...www ti com PCB Design Figure 5 Internal Layer 2 Split Power Plane Figure 6 Bottom Layer Signal Plane AMC7823 Evaluation Module 6 SLAU171 November 2005 ...

Page 7: ...www ti com PCB Design Figure 7 Bottom Silkscreen SLAU171 November 2005 AMC7823 Evaluation Module 7 ...

Page 8: ...KT 5 1 R1 10 kΩ Panasonic ERJ 8ENF1002V 6 3 R2 R11 R12 2 7 kΩ BC Components 2312 396 72702 7 2 R20 R23 150 Ω Panasonic ERJ 8GEYJ151V 8 2 R7 R8 0 Ω 1 Panasonic ERJ 8GEY0R00V 9 1 R13 47 kΩ Yageo America RC1206FR 0747KL 10 1 R14 4 99 kΩ 1 Panasonic ERO S2PHF4991 R3 R4 R5 R6 R9 11 6 49 9 kΩ Panasonic ERJ 8ENF4992V R10 12 4 J1T J2 J4 J5 20 PIN_IDC Samtec TSM 110 01 S DV M 1 C1 C3 C6 C8 C19 J11 J12 R7 a...

Page 9: ...le J2 is installed on the topside while P2 is installed in the bottom side opposite of J2 This chapter presents in detail the operation of the EVM to provide guidance to the user in evaluating the onboard AMC and how to interface the EVM to a specific host processor Refer to the AMC7823 data sheet SLAS453 for information about its serial interface and other related topics The EVM board is tested a...

Page 10: ...AU104 from Texas Instruments as well as the HPA449 demonstration board from SoftBaugh Inc Using these boards alleviates the tedious task of building custom cables and allows easy configuration of a simple evaluation system If another system is used that is not directly compatible with this EVM a custom cable can be made specific to the host interface platform The EVM allows interfacing to the host...

Page 11: ...nalog ground The DAC outputs can be monitored from the J5 header connector directly See the schematic and printed circuit board silkscreen for details This EVM includes a 64 kbit I2 C serial EEPROM U4 to store firmware data It is intended particularly for future use with PC graphical user interface applications using a USB MODEVM interface board or other similar board The serial EEPROM is not used...

Page 12: ...J2 1 is routed through to control the SS function of the AMC7823 Normally used for µC operation W6 FSX signal from J2 7 is routed through to control the SS function of the AMC7823 Normally used for DSP operation External reference input voltage via REF1 is routed to W1 pin 3 W7 External reference input voltage via REF2 is routed to W1 pin 3 TOUT signal is used to generate the external trigger for ...

Page 13: ...ROM U4 address is set to 010b This is only used with a PC graphical user interface application program See section 3 3 W10 The EEPROM U4 address is set to 000b This is only used with a PC graphical user interface application program See section 3 3 Digital ground is not connected to analog ground W11 Digital ground is connected to analog ground SLAU171 November 2005 AMC7823 Evaluation Module 13 ...

Page 14: ...0_OUT 6 DAC1_OUT 7 DAC2_OUT 8 DAC3_OUT 9 DAC4_OUT 22 DAC5_OUT 23 DAC6_OUT 24 DAC7_OUT 25 SGND 10 AGND 15 U1 AMC7823 OUT 2 GND 3 IN 1 REF1 REF3112 C4 10µF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 20 17 19 18 J1T Analog Input 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 20 17 19 18 J5 Analog Output CS SCLK CLKR FSX FSR MOSI MISO RESET CONVERT VCOM1 REFIN R1 10K 5VD C7 10µF 3 3VD W4 AVDD DVDD R4 50K R5 50K R...

Page 15: ...rdering identify this manual by its title and literature number Updated documents can also be obtained through our website at www ti com Data Sheets Literature Number AMC7823 SLAS453 REF3125 SBVS046 REF3112 SBVS046 SN74LVC1G07 SCES296 If you have questions about this or other Texas Instruments Data Converter evaluation modules feel free to e mail the Data Converter Application Team at dataconvapps...

Page 16: ...ng from any claim suit or proceeding arising from user s handling or use of the EVM including but not limited to i claims that the EVM infringes a third party s intellectual property and ii claims arising from the user s use or handling of the EVM TI shall have no responsibility to defend any such claim suit or proceeding User assumes all responsibility and liability for proper and safe handling a...

Page 17: ...mponents include but are not limited to linear regulators switching transistors pass transistors and current sense resistors These types of devices can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during operation please be aware that these devices may be very warm to the touch Mailing Address Texas Instruments Post Office...

Page 18: ...tute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of information in TI data books or data sheets is permissible only if reproduction is...

Page 19: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments AMC7823EVM ...

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