Texas Instruments ADS1178EVM, Руководство пользователя, Страница: 32 / 52

11 Schematics and Layout
11.1 Bill of Materials
Schematics and Layout
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Schematics for the ADS1178EVM and ADS1278EVM are appended to this user's guide. The bill of
materials is provided in
Table 9 .
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 compiance, see the
http://www.ti.com .)
Table 9. ADS1278EVM Bill of Materials
Item No. Qty Value Ref Des Description Vendor Part Number
1 6 47 R39-R45. R44, Resistor, Thick Film Chip 47
Ω
, 5%, Panasonic ERJ-3GEYJ470V
R45 1/10W, Size = 0603
2 16 49.9 R36, R46, Resistor, Thick Film Chip 49.9
Ω
, 1%, Panasonic ERJ-3EKF49R9V
R56-R69 1/16W, Size = 0603
3 1 100 R37 Resistor, Thick Film Chip 100
Ω
, 5%, Panasonic ERJ-3GEYJ101V
1/10W, Size = 0603
4 34 1k R2-R35 Resistor, Thick Film Chip 1k
Ω
, 1%, Panasonic ERJ-3EKF1001V
1/16W, Size = 0603
5 1 2k R38 Resistor, Thick Film Chip 2k
Ω
, 5%, Panasonic ERJ-3GEYJ202V
1/10W, Size = 0603
6 1 4.22k R71 Resistor, Thick Film Chip 4.22k
Ω
, 1%, Panasonic ERJ-3EKF4221V
1/16W, Size = 0603
7 3 10k R50, R51, R70 Resistor, Thick Film Chip 10k
Ω
, 5%, Panasonic ERJ-3GEYJ103V
1/10W, Size = 0603
9 1 47Kk R47 Resistor, Thick Film Chip 47k
Ω
, 5%, Panasonic ERJ-3GEYJ473V
1/10W, Size = 0603
10 2 100k R1,R72 Resistor, Thick Film Chip 100k
Ω
, 5%, Panasonic ERJ-3GEYJ104V
1/10W, Size = 0603
11 2 150k R53, R54 Resistor, Thick Film Chip 150k
Ω
, 5%, Panasonic ERJ-3GEYJ154V
1/10W, Size = 0603
12 2 470k R48, R49 Resistor, Thick Film Chip 470k
Ω
, 5%, Panasonic ERJ-3GEYJ474V
1/10W, Size = 0603
13 1 1.1M R52 Resistor, Thick Film Chip 1.1M
Ω
, 5%, Rohm MCR10EZHF1104
1/8W, Size = 0805
14 1 1.24M R55 Resistor, Thick Film Chip 1.24M
Ω
, 5%, Rohm MCR10EZHF1244
1/8W, Size = 0805
15 2 100k RA1, RA2 Resistor, Chip Array 10 Terminal Bus CTS 745C101104JPTR
100K ohms, 5%, 1/16W, SMD
16 2 6.2pF C28, C29 Capacitor, C0G Ceramic 6.2pF
±
0.5pF, Murata GRM1885C1H6R2DZ01D
50WV, Size = 0603
17 16 1.5nF C36-C51 Capacitor, C0G Ceramic 1500pF
±
5%, TDK C1608C0G1H152JT
50WV, Size = 0603
18 8 2.2nF C13-C20 Capacitor, C0G Ceramic 2200pF
±
5%, TDK C1608C0G1H222JT
50WV, Size = 0603
19 1 4.7nF C33 Capacitor, X7R Ceramic 4700pF
±
10%, TDK C1608X7R1H472KT
50WV, Size = 0603
20 3 10nF C32, C34, C76 Capacitor, X7R Ceramic 0.01
µ
F
±
5%, TDK C1608X7R1H103KT
50WV, Size = 0603
21 40 0.1
µ
F C4-C12, C26, Capacitor, X7R Ceramic 0.1
µ
F
±
10%, TDK C1608X7R1H104KT
C52-C75, 50WV, Size = 0603
C77-C80, C83,
C84
22 1 0.15
µ
F C3 Capacitor, X7R Ceramic 0.15
µ
F
±
10%, TDK C1608X7R1E154KT
25WV, Size = 0603
23 1 0.22
µ
F C35 Capacitor, X7R Ceramic 0.22
µ
F
±
10%, TDK C1608X7R1C224KT
16WV, Size = 0603
32 ADS1178EVM, ADS1278EVM, ADS1178EVM-PDK, and ADS1278EVM-PDK SBAU129C – November 2007 – Revised July 2008
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