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Schematic, Bill of Materials, and Layout

6 Schematic, Bill of Materials, and Layout

A schematic for the ADS7861/8361/7863EVM is appended to this user's guide. The bill of materials is

provided in Table 4.

6.1 Bill of Materials

NOTE: All components should be compliant with the European Union Restriction on Use of

Hazardous Substances (RoHS) Directive. Some part numbers may be either leaded or

RoHS. Verify that purchased components are RoHS-compliant. (For more information about

TI's position on RoHS compliance, see the Quality and Eco-Info information on the TI web

site.)

Table 4. Bill of Materials

Qty

Item No. ADS7861 ADS8361 ADS7863 Ref Des Description Vendor Part Number

1 1 1 1 N/A Printed Wiring Board – –

100pF, 0603, Ceramic, C0G, 50V,

2 8 8 8 C1 to C8 Murata GRM1885C1H101JA01D

C9, C10, C11, C12, 1000pF, 0603, Ceramic, C0G, 50V,

3 5 5 5 Murata GRM1885C1H102JA01D

C22 5%

C13, C14, C15, C16, 0.1μF, 0603, Ceramic, X7R, 50V,

4 5 5 5 Murata GRM188R71H103KA01D

C23 10%

10μF, 0805, Ceramic, X5R, 10V,

5 2 2 2 C17, C18 Murata GRM219R61A106KE44D

10%

1.0μF, 0603, Ceramic, X5R, 16V,

6 2 2 2 C19, C20 Murata GRM185R61C105KE44D

10%

0.47μF, 0603, Ceramic, X7R, 16V,

7 1 1 1 C21 Murata GRM188R71C474KA88D

10%

8 2 2 2 L1, L2 Ferrite Chip 600Ω 500MA 0805 TDK MMZ2012R601A

10-Pin, Dual Row, SMT Header (20

9 2 2 2 J1, J2 (top side) Samtec TSM-110-01-T-DV-P

Pos.)

J1B, J2B (bottom 10-Pin, Dual Row, SMT Socket (20

10 2 2 2 Samtec SSW-110-22-F-D-VS-K

side) Pos.)

11 2 2 2 J3, J4 2 Terminal Screw Connector OST ED555/2DS

12 1 1 1 J5 4-Pin, Dual Row, TH Header (8 Pos.) Samtec TSW-104-07-L-D

5-Pin, Dual Row, SMT Socket (10

13 1 1 1 J6 (bottom side) Samtec SSW-105-22-F-D-VS-K

Pos.)

14 0 0 0 W1 Not installed

15 2 2 2 W2, W3 3-Pin header Samtec TSW-103-07-L-S

16 2 2 2 W4, W5 3-Pin , 2mm header Samtec TMM-103-01-T-S

17 10 10 10 R1 to R8, R14, R15 49.9Ω, 0603, 1%, 1/10W Yageo RC0603FR-0749R9L

18 2 2 2 R9 R10 33Ω, 0603, 1%, 1/10W Yageo RC0603FR-0733RL

19 3 3 3 R11 R12 R13 10Ω, 0603, 1% 1/10W Yageo RC0603FR-0710KL

20 0 0 0 R16 Not installed – –

21 1 1 1 TP1 Red Test Point Loop Keystone 5000

22 2 2 2 TP2 TP3 Black Test Point Loop Keystone 5001

IC, ADC Dual 16-Bit 500kSPS

1 0 0 TI ADS7861E

24QSOP

23 U1 IC, ADC Dual 16-Bit 500kSPS

0 1 0 TI ADS8361IDBQ

24QSOP

0 0 1 IC, ADC 12-Bit SER 2M 24QSOP TI ADS7863IDBQ

IC EEPROM 256kBIT 400KHz

24 1 1 1 U2 Microchip 24AA256-I/ST

8TSSOP

IC OPAMP GP R-R 50MHz DUAL

25 1 1 1 U3 TI OPA2365AID

8SOIC

SLAU094A–October 2002–Revised May 2011 ADS7861/8361/7863EVM

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