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dc1485af

DEMO MANUAL DC1485A

PARTS LIST

ITEM

QTY

REFERENCE

PART DESCRIPTION

MANUFACTURE/PART NUMBER

KIT QTY

NUMBER OF BOARDS = 

175

1

16

C1-C4, C6-C8, C10-C12, C19, C25, 
C29, C31, C33, C40

CAP., X5R, 0.1μF 25V 20%, 0402               

TDK, C1005X5R1E104M

2800

2

2

C5, C20

CAP., NP0, 100pF 50V, 5%,1206

AVX, 12065A101JAT2A

350

3

1

C9

CAP., X7R, 1μF 25V 10%, 0805         

TDK, C2012X7R1E105K

175

4

2

C34, C37

CAP., X5R, 1μF 25V 20%, 0603             

TDK, C1608X5R1E105M

350

5

6

C13, C18, C30, C36, C39, C41

CAP., X5R, 10μF 25V 20%,1206

TDK, C3216X5R1E106M

1050

6

1

C14

CAP., X7R, 1μF 25V 10%,1206       

AVX, 12063C105KAT2A

175

7

0

C15, C16

CAP., 0603

OPT

0

8

0

C21

CAP., 1206

OPT

0

9

3

C17, C23, C28

CAP., NP0, 100pF 50V, 5%,0402

AVX, 04025A101JAT2A

525

10

2

C38, C35

CAP., X7R, 0.01μF 25V 20%,0402               

TDK, C1005X7R1E103M

350

11

3

D1, D2, D5

DIODE, SCHOTTKY, SOT23

DIODES INC., BAT54C-7-F

525

12

9

E1, E2, E3, E4, E5, E6, E7, E8, E9

TEST POINT, TURRET, 0.064"

MILL-MAX, 2308-2-00-80-00-00-07-0

1575

13

3

JP1, JP2, JP3

JMP, 2X3, 0.079"

SAMTEC, TMM-103-02-L-D

525

14

2

JP4, JP5

JMP, 1X3, 0.079"

SAMTEC, TMM-103-02-L-S

350

15

1

J1

HEADER, 2X7 PIN, 0.079CC

MOLEX, 87831-1420

175

16

0

J2

CONN, BNC, RTANG 50Ω

OPT (TYCO ELEC. AMP, 413631-1)

0

17

1

P1

JMP, 2X20, 0.100"

SAMTEC, TSW-120-07-L-D

175

18

2

R1, R2

RES., Chip 10k 1/16W 5%, 0603

VISHAY, CRCW060310K0JNEA

350

19

3

R7, R8, R3

RES., Chip 1k 1/16W 5%, 0603

VISHAY, CRCW06031K00JNEA

525

20

6

R4, R9, R20, R21, R22, R23

RES., Chip 100Ω 1/16W 5%, 0402

VISHAY, CRCW0402100RJNED

1050

21

1

R5

RES., Chip 10Ω 1/16W 5%, 0603

VISHAY, CRCW060310R0JNEA

175

22

1

R6

RES., Chip 4.02k 1/16W 1%, 0603

VISHAY, CRCW06024K02FKED

175

23

8

R11, R16, R17, R18, R19, R27, R29, 
R30

RES., Chip 4.99k 1/16W 1%, 0402

VISHAY, CRCW04024K99FKED

1400

24

4

R24, R25 ,R26, R31

RES., Chip 10k 1/16W 5%,0402

VISHAY, CRCW040210K0JNED

700

25

1

R28

RES., Chip 20k 1/16W 5%,0402

VISHAY, CRCW040220K0JNED

175

26

1

U1

I.C., LTC2757CLX, LQFP48LX

LINEAR TECH., LTC2757CLX

175

27

1

U2

I.C., LT1012ACS8, SO8

LINEAR TECH., LT1012ACS8

175

28

1

U3

I.C., LTC2054CS5, SOT23-5

LINEAR TECH., LTC2054CS5

175

29

1

U4

I.C., LTC6240CS5, SOT23-5

LINEAR TECH., LTC6240CS5

175

30

1

U5

I.C., LT1360CS8, SO8

LINEAR TECH., LT1360CS8

175

31

0

U6

I.C., LTC6655AHMS8-5, MSOP8

OPT

0

32

1

U8

I.C., LT1236ACS8-5, SO8

LINEAR TECH., LT1236ACS8-5

175

32

4

U9, U10, U11, U12

I.C., 74VHC595MTC, TSSOP16

FAIRCHILD SEMI., 74VHC595MTCX

700

33

1

U13

I.C., NC7SZ14P5X, SC70-5

FAIRCHILD SEMI., NC7SZ14P5X

175

34

1

U14

I.C., Serial EEPROM, TSSOP8

MICROCHIP, 24LC025-I/ST

175

35

1

U15

I.C., LT1761ES5-5, SOT23-5

LINEAR TECH., LT1761ES5-5

175

36

1

U16

I.C., LT1964ES5-5, SOT23-5

LINEAR TECH., LT1964ES5-5

175

37

8

SHUNTS AS SHOWN ON ASSY DWG

SHUNT, 0.079" CENTER

SAMTEC, 2SN-BK-G

1400

38

4

MTG

STAND-OFF, NYLON (SNAP ON), 0.50" TALL

KEYSTONE, 8833 (SNAP ON)

700

39

2

STENCILS BOTH SIDES

DC1485A-1

2

Summary of Contents for DC1485A

Page 1: ...t allows all of the LTC2757 s features to be exercised including system level gain and offset adjustments L LT LTC LTM Linear Technology and the Linear logo are registered trademarks and SoftSpan is a trademark of Linear Technology Corporation All other trademarks are the property of their respective owners Design files for this circuit board are available at http www linear com demo DAC CONNECTION...

Page 2: ...Run the evaluation software supplied with DC590ordownloaditfromwww linear com software The correct control panel will be loaded automatically The softwareautomaticallysetstheLTC2757outputsaccording to the entries in the control panel A square wave option is available to test settling time MSPAN jumper should be in the lower position if software span control is desired Additional software documenta...

Page 3: ...he MSB D0 is the LSB S0 S2 Span Input Output Pins S0 S1 and S2 are used to program and to read back the output range of the DAC _D S Data Span Select This pin is used to select acti vation of the data or span I O pins D0 to D17 or S0 to S2 respectively along with their respective dedicated registers for write or read operations Update operations ignore _D S since all updates affect both data and s...

Page 4: ...dLT1236reference recommended SettoREG to be supplied by regulated supply from DC590 Controller and remove the jumper to supply externally Analog Connections Turret Posts VOUT DAC Voltage Output VREF DACReferenceVoltage IftheonboardLT1236refer ences are selected the voltage may be measured at these points If a remote reference is selected then an external reference must be applied to these points V...

Page 5: ...NEA 350 19 3 R7 R8 R3 RES Chip 1k 1 16W 5 0603 VISHAY CRCW06031K00JNEA 525 20 6 R4 R9 R20 R21 R22 R23 RES Chip 100Ω 1 16W 5 0402 VISHAY CRCW0402100RJNED 1050 21 1 R5 RES Chip 10Ω 1 16W 5 0603 VISHAY CRCW060310R0JNEA 175 22 1 R6 RES Chip 4 02k 1 16W 1 0603 VISHAY CRCW06024K02FKED 175 23 8 R11 R16 R17 R18 R19 R27 R29 R30 RES Chip 4 99k 1 16W 1 0402 VISHAY CRCW04024K99FKED 1400 24 4 R24 R25 R26 R31 R...

Page 6: ... QF QG QH Q H U6 LTC6655AHMS8 5 1 2 3 4 5 6 7 8 SHDN VIN GND GND GND VOUT_S VOUT_F GND JP5 EXT GND 1 3 2 E9 RVOS U10 74VHC595MTC 10 8 14 11 12 16 13 15 1 2 3 4 5 6 7 9 SCLR GND SER SCK RCK VCC G QA QB QC QD QE QF QG QH Q H R9 100 R6 4 02K 0603 C2 0 1uF C23 100pF R27 4 99K C17 100pF U9 74VHC595MTC 10 8 14 11 12 16 13 15 1 2 3 4 5 6 7 9 SCLR GND SER SCK RCK VCC G QA QB QC QD QE QF QG QH Q H R2 10K 0...

Page 7: ...7 dc1485af DEMO MANUAL DC1485A ASSEMBLY DRAWINGS ...

Page 8: ...8 dc1485af DEMO MANUAL DC1485A ASSEMBLY DRAWINGS ...

Page 9: ...9 dc1485af DEMO MANUAL DC1485A PCB LAYOUT AND FILM Top Silkscreen Top Solder Paste Top Solder Mask ...

Page 10: ...10 dc1485af DEMO MANUAL DC1485A PCB LAYOUT AND FILM Layer 1 Top Layer Layer 2 GND Plane 1 Layer 3 GND Plane 2 PWR Traces ...

Page 11: ...11 dc1485af DEMO MANUAL DC1485A PCB LAYOUT AND FILM Layer 4 Bottom Layer Bottom Solder Mask ...

Page 12: ...12 dc1485af DEMO MANUAL DC1485A PCB LAYOUT AND FILM Bottom Solder Paste Bottom Silkscreen ...

Page 13: ...nology Corporation is believed to be accurate and reliable However noresponsibilityisassumedforitsuse LinearTechnologyCorporationmakesnorepresentation that the interconnection of its circuits as described herein will not infringe on existing patent rights PC FAB DRAWING ...

Page 14: ...LUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the goods Further the user releases LTC from all claims arising from the handling or use of the go...

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