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Evaluation Board User Guide 

UG-184

 

Rev. 0 | Page 15 of 16 

ORDERING INFORMATION 

BILL OF MATERIALS 

Table 6.  

Reference Designator 

Part Description 

Part Number 

Stock Code 

C1, C2, C9, C11, C12, C16,  
C17, C20, C41, C42, C48,  
C54, C95, C96, C98, C99, 
C102, C103 

Capacitor, 10 μF, 16 V, 10%, Case B 

TAJB106K016R 

FEC 498737 

C3, C4, C5, C6, C7, C8, C10,  
C25, C31, C40, C43, C45,  
C47, C53, C93, C100, C101 

Capacitor, 0603, 0.1 μF, 16 V 

B0603R104KCT 

FEC 9406140 

J1 

3-pin terminal block (5 mm pitch) 

CTB5000/3 

FEC 151790 

J2 

2-pin terminal block (5 mm pitch) 

CTB5000/2 

FEC 151789 

J3 

120-way connector (0.6 mm pitch) 

FX8-120S-SV(21) 

FEC 1324660 

J6 

20-pin (2 × 10) header 

N/A 

FEC 1022244 (36 + 36 pin strip) 

L1, L2, L3, L4 

Ferrite bead 600 Ω 

74279204 

FEC 1635719 

LK1, LK3 

3-pin SIL header and shorting link 

M20-9990345 and M7567-05 

FEC 1022248 and FEC 150410 

LK4, LK5, LK6 

2-pin (0.1" pitch) header and  
shorting shunt 

M20-9990246 and M7566-05 

FEC 1022247 and FEC 150-411 

LK8, LK9 

4-pin (2 × 2) 0.1" header and  
shorting shunt 

M20-9983646 and M7566-05 

FEC 1022244 and 150-411  
(36 pin strip) 

R1, R2, R3, R4, R5, R6, R7 

SMD resistor, 0 Ω 

MC 0.063W 0603 0R 

FEC 9331662 

R8 

SMD resistor, 1.5 kΩ 

MC 0.1W 0805 5% 1K5 

FEC 9333924 

R15, R16, R17, R18 

SMD resistor, 10 kΩ  

MC 0.063W 0603 10k 

FEC 9331700 

R45, R46, R47 

Precision resistor, 1 kΩ 

PCF0805-13-1K-B-T1 

FEC 1108863 

R48 

Precision resistor, 2 kΩ 

PCF0805-13-2K-B-T1 

FEC 1108872 

TP1 to TP7 

Black testpoint 

20-2137 

FEC 240-333 

U2 

Dual op amp 

AD8676BRZ 

AD8676BRZ 

U3 64K 

I

2

C serial EEPROM 

24LC64-ISN 

FEC 9758070 

U6 

Single op amp, 8-pin 

AD8675ARZ 

AD8675ARZ 

U8 

Dual op amp 

AD8676BRZ 

AD8676BRZ 

U11 

18-bit, ±1 LSB INL, voltage output DAC 

AD5781BRUZ 

AD5781BRUZ 

U28 

Single op amp, 8-pin 

AD8675ARZ 

AD8675ARZ 

VOUT, VOUT_BUF, VREF,  
VREFN, VREFP 

Straight PCB mount SMB jack, 50 Ω 

1-1337482-0 

FEC 1206013 

Содержание EVAL-AD5781

Страница 1: ...rolled by two means via the on board connector J6 or via the system development platform connector J3 The SDP board allows the evaluation board to be controlled through the USB port of a Windows XP SP2 or later or Vista 32 bit based PC using the AD5781 evaluation software DEVICE DESCRIPTION The AD5781 is a high precision 18 bit digital to analog con verter DAC designed to meet the requirements of ...

Страница 2: ...am 1 Revision History 2 Evaluation Board Hardware 3 Power Supplies 3 Link Options 3 On Board Connectors 3 Evaluation Board Software 5 Software Installation 5 Software Operation 5 Main Window 6 Evaluation Board Performance 8 Evaluation Board Schematics and Artwork 9 Ordering Information 15 Bill of Materials 15 REVISION HISTORY 8 10 Revision 0 Initial Version ...

Страница 3: ...k options on the evaluation board should be set for the required operating setup before using the board The functions of the link options are described in Table 5 Default Link Option Setup The default link options are listed in Table 1 Table 1 Default Link Options Link No Option LK1 A LK3 A LK4 Removed LK5 Removed LK6 Removed LK8 A LK9 C Connector J6 Pin Descriptions Table 2 Connector J6 Pin Confi...

Страница 4: ... at logic high LK5 This link selects the state of the CLR pin When this link is inserted CLR is at logic low When this link is removed CLR is at logic high LK6 This link selects the state of the RESET pin When this link is inserted RESET is at logic low When this link is removed RESET is at logic high LK8 This link selects the positive reference source Position A selects an on board generated 10 V...

Страница 5: ...the USB port of the PC to ensure that the evaluation system is correctly recognized when connected to the PC 2 If the evaluation system is not connected to the USB port when the software is launched a connectivity error is displayed see Figure 2 Connect the evaluation board to the USB port of the PC wait a number of seconds and click Rescan Follow the instructions 1 After installation from the CD ...

Страница 6: ...tware programming the DAC with the Start Code value incrementing the programmed value at each step by the Code Step value and finishing when the programmed value reaches the Stop Code value A delay between measure ments can be inserted if required The GPIB address of the multimeter must be specified To begin the measurement click the START button The measurement can be halted at anytime by clickin...

Страница 7: ...Evaluation Board User Guide UG 184 Rev 0 Page 7 of 16 09092 005 Figure 6 Measure DAC Output Window ...

Страница 8: ...wered from VDD 15 V VSS 15 V and VREF 5 V 0 5 0 4 0 3 0 2 0 1 0 4 0 3 0 2 0 1 0 0 5 0 50k 100k 150k 200k 250k INL ERROR LSB DAC CODE 09092 007 Figure 7 INL Error vs DAC Code 0 50 0 45 0 40 0 35 0 30 0 25 0 20 0 15 0 10 0 05 0 0 05 0 10 0 15 0 20 0 25 0 30 0 50 0 45 0 40 0 35 0 20k 40k 60k 80k 100k 120k 140k 160k 180k 200k 220k 240k 262 143 DNL ERROR LSBs DAC CODE 09092 008 Figure 8 DNL Error vs DA...

Страница 9: ...Evaluation Board User Guide UG 184 Rev 0 Page 9 of 16 EVALUATION BOARD SCHEMATICS AND ARTWORK 09092 009 Figure 9 Schematic of the AD5781 Circuitry ...

Страница 10: ...UG 184 Evaluation Board User Guide Rev 0 Page 10 of 16 09092 010 Figure 10 Schematic of the Voltage Reference Scaling Circuitry ...

Страница 11: ...Evaluation Board User Guide UG 184 Rev 0 Page 11 of 16 09092 011 Figure 11 Schematic of the SDP Board Connector ...

Страница 12: ...UG 184 Evaluation Board User Guide Rev 0 Page 12 of 16 09092 012 Figure 12 Component Placement Schematic 09092 013 Figure 13 Top PCB Layer Schematic ...

Страница 13: ...Evaluation Board User Guide UG 184 Rev 0 Page 13 of 16 09092 014 Figure 14 Inner First PCB Layer Schematic 09092 015 Figure 15 Inner Second PCB Layer Schematic ...

Страница 14: ...UG 184 Evaluation Board User Guide Rev 0 Page 14 of 16 09092 016 Figure 16 Bottom PCB Layer Schematic ...

Страница 15: ... 1022248 and FEC 150410 LK4 LK5 LK6 2 pin 0 1 pitch header and shorting shunt M20 9990246 and M7566 05 FEC 1022247 and FEC 150 411 LK8 LK9 4 pin 2 2 0 1 header and shorting shunt M20 9983646 and M7566 05 FEC 1022244 and 150 411 36 pin strip R1 R2 R3 R4 R5 R6 R7 SMD resistor 0 Ω MC 0 063W 0603 0R FEC 9331662 R8 SMD resistor 1 5 kΩ MC 0 1W 0805 5 1K5 FEC 9333924 R15 R16 R17 R18 SMD resistor 10 kΩ MC...

Страница 16: ...er party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer may not disassemble decompile or reverse engineer chips on the Evaluation Board Customer shall inform ADI of any occurred damages or any modifications or alterations it makes to the Evaluation Bo...

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