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dc1975fa

DEMO MANUAL DC1975A

PARTS LIST

ITEM

QTY REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

12

6

JP1, JP2, JP3, JP4, JP5, JP6

HEADER, 3-PIN, 2mm

SULLIN, NRPN031PAEN-RC

13

6

J1-J6

CONN, SMA 50Ω EDGE-LAUNCH

E.F.JOHNSON, 142-0701-851

14

0

L1

IND, 0603, BEAD

TBD

15

3

L2, L3, L4

FERRITE BEAD, 1206

MURATA, BLM31PG330SN1L

16

9

RN1-RN9

RES, THICK FILM ARRAY, 33Ω  

VISHAY, CRA04S08333R0JTD

17

1

R1

RES, 0402, 1kΩ, 5%, 1/16W

VISHAY, CRCW04021K00JNED

18

15

R2, R3, R7, R8, R11, R12, R17, R18, 

R26, R27, R30, R35, R36, R37, C32

RES, 0402, 0Ω, JUMPER

NIC, NRC04ZOTRF

19

10

R4, R5, R9, R10, R13, R16, R19, 

R20, R31, R33

RES, 0402, 49.9Ω, 1%, 1/16W

NIC, NRC04F49R9TRF

20

3

R6, R24, R39

RES, 0402, 100Ω, 1%, 1/16W

NIC, NRC04F1000TRF

21

4

R14, R21, R22, R23

RES, 0402, 4.99kΩ, 1%, 1/16W

NIC, NRC04F4991TRF

22

1

R15

RES, 0402, 100kΩ, 5%, 1/16W

NIC, NRC04J104TRF

23

0

R25, R28, R29, R32, R34, R38

RES, 0402

OPT

24

1

R40

RES, 0603, 10kΩ, 5%, 1/10W

NIC, NRC06J103TRF

25

5

R41, R42, R43, R44, R45

RES, 0603, 1kΩ, 5%, 1/10W

VISHAY, CRCW06031K00JNED

26

2

R46, R48

RES, 0603, 3kΩ, 1%, 1/10W

VISHAY, CRCW06033K00FKEA

27

1

R47

RES, 0603, 180kΩ, 1%, 1/10W

VISHAY, CRCW0603180KFKED

28

1

R49

RES, 0603, 330kΩ, 1%, 1/10W

VISHAY, CRCW0603330KFKEA

29

7

TP1-TP7

TP, TURRETS, 0.094"

MILL-MAX, 2501-2-00-80-00-00-07-0

30

1

T1

XFMR, 1:1, TRANS-MABA-007159

MACOM, MABA-007159-000000

31

1

U1

IC, LTC2270CUP, QFN64UP-9×9

LINEAR TECHNOLOGY, LTC2270CUP

32

4

U2, U3, U5, U6

IC, 8-BIT DUAL VOLTAGE SUPPLY 

TRANSLATOR, MICROPAK-10

FAIRCHILD SEMI., FXLH42245MPX

33

1

U4

IC, 2-BIT DUAL VOLTAGE SUPPLY 

TRANSLATOR, MICROPAK-10

FAIRCHILD SEMI., FXL2T245L10X

34

1

U7

IC, ULP INVERTER, SC70-5

FAIRCHILD SEMI., NC7SP14P5X

35

1

U8

IC, EEPROM, TSSOP8

MICROCHIP TECH., 24LC025-I/ST

36

1

U9

IC, 8-BIT I/0 EXPANDER, SSOP20G

NXP, PCF8574TS/3

37

2

U10, U11

IC, SINGLE RESISTOR LOW DROPOUT 

REGULATOR, DFN8DD

LINEAR TECHNOLOGY, LT3080EDD

38

6

SHUNTS FOR JP1-JP6

SHUNT, 2mm

SAMTEC, 2SN-BK-G

39

4

STANDOFF, SNAP-ON

KEYSTONE, 8831

40

2

STENCILS FOR BOTH SIDES

DC1975A-1

Summary of Contents for LTC2270

Page 1: ...ta sheet for proper input networks for different input frequencies Design files for this circuit board are available at http www linear com demo PARAMETER CONDITIONS MIN TYP MAX UNITS Supply Voltage D...

Page 2: ...SETUP The DC890 USB demonstration circuit was supplied with the DC1975 demonstration circuit Follow the DC890 Quick Start Guide to install the required software and for connecting the DC890 to the DC1...

Page 3: ...nput range of 0 8 VSENSE GND TP2 TP6 TP7 Ground Connection This demo board only has a single ground plane One of these turrets should be tied to the GND terminal of the power supply being used Extra G...

Page 4: ...to the inputs of the differential driver board to avoid reflections from impedance discontinuities at the driven end of a long transmissionline Most filters do not present 50 outside the passband In...

Page 5: ...vailable on P1 which could be collected via a logic analyzer or other data collection system if populated with a SAMTEC MEC8 150 type connector or collected by the DC890 QuikEval II data acquisition b...

Page 6: ...nfiguremenu gotoADCConfiguration Check the Config Manually box and use the following configura tion options see Figure 2 Manual Configuration Settings Bits 16 Alignment 16 FPGA Ld CMOS Channs 2 Bipola...

Page 7: ...degrees Clock Duty Cycle Enable or disables duty cycle stabilizer n Stabilizer off default Duty cycle stabilizer disabled n Stabilizer on Duty cycle stabilizer enabled Output Current Selects the LVDS...

Page 8: ...R MURATA GRM21BR61C106KE15L Test Pattern Selects digital output test patterns n Off default ADC data presented at output n All Out 1 All digital outputs are 1 n All Out 0 All digital outputs are 0 n C...

Page 9: ...S 0603 10k 5 1 10W NIC NRC06J103TRF 25 5 R41 R42 R43 R44 R45 RES 0603 1k 5 1 10W VISHAY CRCW06031K00JNED 26 2 R46 R48 RES 0603 3k 1 1 10W VISHAY CRCW06033K00FKEA 27 1 R47 RES 0603 180k 1 1 10W VISHAY...

Page 10: ...10 dc1975fa DEMO MANUAL DC1975A SCHEMATIC DIAGRAM Figure 5 2 Channel High Speed Low Power ADC Family LVDS...

Page 11: ...to be accurate and reliable However noresponsibilityisassumedforitsuse LinearTechnologyCorporationmakesnorepresenta tion that the interconnection of its circuits as described herein will not infringe...

Page 12: ...DING 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 CONS...

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