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Schematics and Layout
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12 Schematics and Layout
Schematics for the ADS1282EVM are appended to this user's guide. The bill of materials is provided in
Table 4 .
12.1 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. ADS1282EVM Bill of Materials
Item No. Qty Value Ref Des Description Vendor Part Number
1 2 0 R4, R5 Resistor, Thick Film Chip, 0 Ω , 5%, Panasonic ERJ-3GEY0R00V
1/10W, Size = 0603
2 7 47 R3, R6-R11 Resistor, Thick Film Chip, 47 Ω , 5%, Panasonic ERJ-3GEYJ470V
1/10W, Size = 0603
3 8 1k R16-R23 Resistor, Thick Film Chip, 1k Ω , 1%, Panasonic ERJ-3EKF1001V
1/16W, Size = 0603
4 1 2k R2 Resistor, Thick Film Chip, 2k Ω , 1%, Panasonic ERJ-3EKF2001V
1/16W, Size = 0603
5 1 10k R1 Resistor, Thick Film Chip, 10k
Ω
, 5%, Panasonic ERJ-3GEYJ103V
1/10W, Size = 0603
6 1 47k R24 Resistor, Thick Film Chip, 47k Ω , 5%, Panasonic ERJ-3GEYJ473V
1/10W, Size = 0603
7 5 100k R12-R15, R27 Resistor, Thick Film Chip, 100k Ω , 5%, Panasonic ERJ-3GEYJ104V
1/10W, Size = 0603
Not Installed 1 100k R28 Resistor, Thick Film Chip, 100k Ω , 5%, Panasonic ERJ-3GEYJ104V
1/10W, Size = 0603
8 2 470k R25, R26 Resistor, Thick Film Chip, 470k Ω , 5%, Panasonic ERJ-3GEYJ474V
1/10W, Size = 0603
9 2 100k RA1, RA2 Resistor, 8 Thick Film Chip Array, CTS 745C101104JPTR
100k Ω , 5%, 63mW
Not Installed 1 100k RA3 Resistor, Chip Array 4 Independent CTS 741C083104JP
Bus, 100k Ω , 5%, 1/16W, SMD
10 6 1nF C11-C14, C21, C22 Capacitor, C0G Ceramic 1nF ± 5%, TDK C1608C0G1H102JT
50WV, Size = 0603
11 2 10nF C27, C32 Capacitor, C0G Ceramic 10nF ± 5%, TDK C1608C0G1E103JT
25WV, Size = 0603
12 7 0.1 μ F C4, C5, C7, C28, Capacitor, X7R Ceramic 0.1 μ F ± 10%, TDK C1608X7R1E104KT
C29, C35, C36 25WV, Size = 0603
13 1 0.15
μ
F C6 Capacitor, X7R Ceramic 0.15
μ
F TDK C1608X7R1E154KT
±
10%, 25WV, Size = 0603
14 6 1 μ F C1, C10, C25, C26, Capacitor, X7R Ceramic 1 μ F ± 10%, TDK C1608X7R1C105KT
C33, C34 16WV, Size = 0603
15 2 1 μ F C8, C9 Capacitor, X7R Ceramic 1 μ F ± 10%, TDK C3216X7R1H105KT
50WV, Size = 1206
16 2 10 μ F C17, C20 Capacitor, X5R Ceramic 10 μ F ± 20%, TDK C2012X5R0J106MT
6.3WV, Size = 0805
17 4 10 μ F C23, C24, C30, C31 Capacitor, X7R Ceramic 10 μ F ± 20%, TDK C3216X7R1C106MT
16WV, Size = 1206
18 4 10 μ F C15, C16, C18, C19 Capacitor, X7R Ceramic 10 μ F ± 20%, DK C3225X7R1E106MT
25WV, Size = 1210
19 2 22 μ F C2, C3 Capacitor, X5R Ceramic 22 μ F ± 20%, TDK C3225X5R1C226MT
16WV, Size = 1210
20 1 U6 Precision Delta-Sigma ADC, 2 Texas ADS1282IPW
Differential Input, 24-bit Instruments
21 1 U3 Precision Operational Amplifier Texas OPA227U
Instruments
26 ADS1282EVM and ADS1282EVM-PDK User ' s Guide SBAU144C – March 2009 – Revised May 2011
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