Texas Instruments ADS7881 User Manual Download Page 8

3 ADS78x1EVM Bill of Materials

Table 3-1

 contains a complete bill of materials (BOM) for the ADS78x1EVM. The schematic diagrams are also provided for reference in 

Section 5

.

Table 3-1. Bill of Materials

Item No.

Qty.

Value

Reference

Designators

Footprint

Manufacturer

Manufacturer's

Part Number

Description

1

2

21

R1 R12

805

Panasonic-ECG or Alternate

ERJ-6ENF21R

RES, 21.0 Ω, 1/10W, 1% 0805 SMD

2

3

NI

R2 R5 R11

805

Not installed

Not installed

3

1

NI

R3

603

Not installed

Not installed

1/10W, 0805 Chip Resistor

4

3

100

R4 R14 R15

805

Panasonic-ECG or Alternate

ERJ-6ENF1000V

RES, 100 Ω, 1/10W, 1%, 0805 SMD

5

2

604

R6 R10

805

Panasonic-ECG or Alternate

ERJ-6ENF6040V

RES, 604 Ω, 1/10W, 1%, 0805 SMD

6

6

10k

R7 R16 R17 R18 R19 R20

603

Panasonic-ECG or Alternate

ERJ-3EKF1002V

RES, 10.0 kΩ, 1/16W, 1%, 0603 SMD

7

1

49.9

R8

1206

Panasonic-ECG or Alternate

ERJ-8ENF49R9V

RES, 49.9 Ω, 1/8W, 1%, 1206 SMD

8

1

49.9k

R9

805

Panasonic-ECG or Alternate

ERJ-6ENF4992V

RES, 49.9 kΩ, 1/10W, 1%, 0805 SMD

9

1

12

R13

805

Panasonic-ECG or Alternate

ERJ-6GEYJ120V

RES, 12 Ω, 1/8W, 5%, 0805 SMD

1

10

R13

(1)

805

Yageo America or Alternate

9C08052A10R0FKHFT

RES, 10 Ω, 1/8W, 1%, 0805 SMD

10

1

75

R21

805

Panasonic-ECG or Alternate

ERJ-6ENF75R0V

RES, 75.0 Ω, 1/10W, 1%, 0805 SMD

11

1

0

R24

603

Panasonic-ECG or Alternate

ERJ-3GEY0R00V

RES, 0 Ω, 1/16W, 5%, 0603 SMD

12

1

10k

R22

805

Panasonic-ECG or Alternate

ERJ-6ENF1002V

RES, 10.0 kΩ, 1/10W, 1%, 0805 SMD

13

1

10k

R25

BOURNS_ 32×4W

Bourns

3214W-1-103E

TRIMPOT, 10 kΩ, 4MM TOP ADJ SMD

14

4

10 µF

C1 C6 C12 C19

1206

TDK Corporation or Alternate

C3216X5R1C106KT

CAP, CER, 10 µF, 16V, X5R, 20%, 1206

15

2

1 µF

C2 C28

603

TDK Corporation or Alternate

C1608X5R1C105K

CAP, CER, 1.0 µF, 16V, X5R, 10%, 0603

16

5

1000 pF

C3 C5 C11 C16 C23

603

TDK Corporation or Alternate

C1608C0G1H102J

CAP, CER, 1000 pF, 50V, C0G, 5%, 0603

17

13

0.01 µF

C4 C10 C13 C20 C21C26 C41 
C44 C46 C48 C50 C53 C56

603

TDK Corporation or Alternate

C1608X7R1H103KT

CAP, CER, 10000 pF, 50V, X7R, 10%, 0603

18

4

0.1 µF

C7 C15 C32 C36

805

TDK Corporation or Alternate

C1608X7R1E104K

CAP, CER, 0.10 µF, 25V X7R, 10%, 0603

19

8

2.2 µF

C8 C40 C42 C47 C51 C52 C54 
C55

603

TDK Corporation or Alternate

C1608X5R1A225MT

CAP, CER, 2.2 µF, 6.3V, X5R, 20%, 0603

20

9

0.1 µF

C9 C18 C22 C25 C38 C43 C57 
C58 C62

603

TDK Corporation or Alternate

C1608X7R1E104K

CAP, CER, 0.10 µF, 25V, X7R 10%, 0603

21

4

10 µF

C14 C24 C27 C29

6032

Panasonic-ECG or Alternate

ECS-T1EC106R

CAP, 10 µF, 25V, TANTALUM, TE, SMD

22

1

22 µF

C17

1206

Panasonic-ECG or Alternate

C3216XR0J226M

CAP, CER, 22 µF, 6.3V X5R, 20%, 1206

1

1500 pF

C16

(1)

603

TDK Corporation or Alternate

C1608C0G1H152J

CAP, CER, 1500 pF, 50V, C0G, 5%, 0603

23

4

NI

C30 C39 C61 C63

805

NOT INSTALLED

NOT INSTALLED

Multilayer Ceramic - 0805 Size

24

5

1 µF

C31 C33 C37 C59 C60

805

TDK Corporation or Alternate

C2012X7R1E105K

CAP, CER, 1.0 µF, 25V, X7R, 0805, T/R

25

1

130 pF

C35

805

TDK Corporation or Alternate

C2012C0G1H131

CAP, CER, 130 pF, 50V 5%, C0G, 0805

26

1

10 µF

C49

3528

Kemet or Alternate

T491B106K016AS

CAP, TANTALUM, 10 µF, 16V 10%, SMD

27

2

1K

RP1 RP3

CTS_742

CTS Corporation

742C163102JTR

RES ARRAY, 1 kΩ, 16TERM 8RES SMD

28

1

100

RP2

CTS_742

CTS Corporation

742C163101JTR

RES ARRAY 100 Ω 16TRM, 8RES SMD

29

4

L1 L2 L3 L4

805

TDK Corporation

MMZ2012R601A

Ferrite chip, 600 Ω, 500 mA

30

1

U1

8-SOP(D)

Texas Instruments

OPA132UA

DiFet amplifier

31

1

U2

8-SOP(D)

Texas Instruments

THS4031IDR

100 MHz, low-noise, high-speed amplifier

32

1

NI

U3

3-SOT-23

Not installed

Not installed

REF3040, 50 ppm/–C, 50-A in SOT23-3 CMOS 
voltage reference

ADS78x1EVM Bill of Materials

www.ti.com

8

ADS7881EVM, ADS7891EVM Evaluation Module

SLAU150A – DECEMBER 2004 – REVISED OCTOBER 2021

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Copyright © 2021 Texas Instruments Incorporated

Summary of Contents for ADS7881

Page 1: ...2 1 Decoding Control Signals Using the Address Bus 7 Figure 4 1 Top Layer Layer 1 10 Figure 4 2 Ground Plane Layer 2 11 Figure 4 3 Power Plane Layer 3 12 Figure 4 4 Bottom Layer Layer 4 13 Figure 5 1...

Page 2: ...SCLS230 SN74AHC1G04 SCLS318 1 1 Features The ADS78x1EVM includes the following features Full featured evaluation board for the high speed SAR type ADS7881 12 bit 4 MSPS or ADS7891 14 bit 3 MSPS single...

Page 3: ...al but also isolates the amplifier from the capacitive load The capacitor to ground at the input of the ADC works in conjunction with the series resistor to filter the input signal and functions as a...

Page 4: ...U2 to ground Installed Short to pin 4 of amplifier U2 to VCC Installed 1 1 Factory set condition 1 3 Digital Interface The ADS78x1EVM is designed for easy interfacing to multiple platforms Samtec part...

Page 5: ...EVM to a host processor Table 1 6 Data Bus Connector P3 Connector Pin 1 Signal Name Description ADS7881 ADS7891 P3 1 B_DB0 Not connected Buffered data bit 0 LSB P3 3 B_DB1 Not connected Buffered data...

Page 6: ...digital section of the board ADC address decoder buffers There are two ways to provide these voltages 1 Wire in voltages as listed in Table 1 8 at test points on the EVM Table 1 8 Power Supply Test P...

Page 7: ...be applied via test point TP12 or connector J1 pin 1 As a software test platform connectors P1 P2 and P3 plug into the parallel interface connectors of the 5 6K interface card The 5 6K interface card...

Page 8: ...ternate C1608C0G1H102J CAP CER 1000 pF 50V C0G 5 0603 17 13 0 01 F C4 C10 C13 C20 C21C26 C41 C44 C46 C48 C50 C53 C56 603 TDK Corporation or Alternate C1608X7R1H103KT CAP CER 10000 pF 50V X7R 10 0603 1...

Page 9: ...c SSW 105 22 S D VS 0 025 SMT socket bottom side of PWB 43 1 Samtec TSM 105 01 T D V P 0 025 SMT plug top side of PWB 44 1 SMA_PCB_MT J2 SMA_JACK Johnson Components Inc 142 0701 301 Right angle SMA co...

Page 10: ...te the silkscreens for the ADS78x1EVM Figure 4 1 Top Layer Layer 1 ADS78x1EVM Layout www ti com 10 ADS7881EVM ADS7891EVM Evaluation Module SLAU150A DECEMBER 2004 REVISED OCTOBER 2021 Submit Document F...

Page 11: ...2 Ground Plane Layer 2 www ti com ADS78x1EVM Layout SLAU150A DECEMBER 2004 REVISED OCTOBER 2021 Submit Document Feedback ADS7881EVM ADS7891EVM Evaluation Module 11 Copyright 2021 Texas Instruments Inc...

Page 12: ...3 Power Plane Layer 3 ADS78x1EVM Layout www ti com 12 ADS7881EVM ADS7891EVM Evaluation Module SLAU150A DECEMBER 2004 REVISED OCTOBER 2021 Submit Document Feedback Copyright 2021 Texas Instruments Inco...

Page 13: ...4 Bottom Layer Layer 4 www ti com ADS78x1EVM Layout SLAU150A DECEMBER 2004 REVISED OCTOBER 2021 Submit Document Feedback ADS7881EVM ADS7891EVM Evaluation Module 13 Copyright 2021 Texas Instruments Inc...

Page 14: ...B_DB0 B_DB1 B_DB2 B_DB3 B_DB4 B_DB5 B_DB6 B_DB7 B_DB8 B_DB9 B_DB10 B_DB11 B_DB12 B_DB13 AVCC BVDD 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20...

Page 15: ...1 2 SJP7 3 1 2 SJP6 3 2 6 7 4 5 1 8 U2 THS4031 C30 NI TP9 R1 21 R2 NI REFIN 1 REFOUT 2 NC 3 VA 4 AGND 5 IN 6 IN 7 AGND 8 VA 9 VA 10 AGND 11 AGND 12 AGND 14 AGND 15 DB13 16 DB12 17 DB11 18 DB10 19 DB9...

Page 16: ...DB7 B_DB4 B_DB6 B_DB5 CS RD CONVST BYTE PWN RST B_BUSY 1 16 2 15 3 14 4 13 5 9 12 6 8 10 11 7 RP2 100 OE DIR A1 A2 A3 A4 A5 A6 A7 A8 B1 B2 B3 B4 B5 B6 B7 B8 VCC GND U5 SN74AHC245PWR VBD C25 0 1uF CS R...

Page 17: ...91EVM to ADS78x1EVM throughout document 1 Added Related Documentation from Texas Instruments table to Introduction section 2 Changed paragraph preceding Data Bus Connector P3 4 Changed Data Bus Connec...

Page 18: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Page 19: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Page 20: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 21: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Page 22: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Page 23: ...are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and...

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