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Schematics and Layout www.ti.com
8 Schematics and Layout
The schematic for the ADS833xEVM is appended to this user's guide. The bill of materials is provided in
Table 5. Figure 3 and Figure 4 illustrate the PCB layout.
8.1 Bill of Materials
Table 5. Bill of Materials
ADS8331 ADS8332
Item No. Qty Qty Ref Des
(1)
Description Manufacturer Part Number
1 0 0 C1, C2, C3, C4, Not installed
C5, C6, C7, C8
2 5 5 C11, C18, C22, Capacitor, ceramic 10UF 6.3V X5R 20% TDK C1608X5R0J106M
C25, C27 0603
3 3 3 C16, C23, C34 Capacitor, ceramic 10UF 10V X5R 10% Murata GRM219R61A106KE44D
0805
4 6 6 C12, C13, C15, Capacitor, ceramic 0.1UF 16V 10% X7R Murata GRM188R71C104KA01D
C24, C28, C30 0603
5 2 2 C17, C31 Capacitor, ceramic 1.0UF 16V X5R 10% TDK C1608X5R1C105K
0603
6 1 1 C26 Capacitor, ceramic 1000PF 50V 5% Murata GRM1885C1H102JA01D
C0G 0603
7 2 2 C32, C33 Capacitor, tantalum 10UF 35V 20% Kemet B45196H6106M309
SMD
8 1 1 C35 Capacitor, tantalum 22UF 20V 10% Kemet T491C226K020AT
SMD
9 2 2 J1A, J2A (Top 10-pin, Dual row, SM header (20 Pos.) Samtec TSM-110-01-T-DV-P
Side)
10 2 2 J1B, J2B (Bottom 10-pin, Dual row, SM header (20 Pos.) Samtec SSW-110-22-F-D-VS-K
Side)
11 1 1 J3A (Top Side) 5-pin, Dual low, SM header (10 Pos.) Samtec TSM-105-01-T-DV-P
12 1 1 J3B (Bottom Side) 5-pin, Dual row, SM header (10 Pos.) Samtec SSW-105-22-F-D-VS-K
13 5 5 JP3, JP4, JP5, Header strip, 3 pin (1x3) Samtec TSW-103-07-L-S
JP6, JP7
14 0 0 JP8 Not installed
15 2 2 JP9, JP12 Header strip, 2 pin (1x2) Samtec TSW-102-07-L-S
6 6 R1, R2, R3, R4, Resistor, 0Ω 1/10W 5% 0603 SMD Panasonic ERJ-3GEY0R00V
R15, R16
16
0 0 R5, R6, R7, R8 Not installed
0 4 Resistor, 0Ω 1/10W 5% 0603 SMD Panasonic ERJ-3GEY0R00V
17 2 2 R13, R22 Resistor, .47Ω 1/10W 5% 0603 Panasonic ERJ-3RQJR47V
18 7 7 R14, R27, R28, Resistor, 33Ω 1/10W 5% 0603 SMD Panasonic ERJ-3GEYJ330V
R29, R33, R34,
R35
19 4 4 R17, R18, R25, Resistor, 10kΩ 1/10W 5% 0603 SMD Yageo RC0603JR-0710KL
R36
20 2 2 R19, R20 Resistor, 4.99kΩ 1/10W 1% 0603 SMD Panasonic ERJ-3EKF4991V
21 1 1 R26 Resistor, 34.8Ω 1/10W 1% 0603 SMD Panasonic ERJ-3EKF34R8V
22 0 0 R30, R31, R32 Not installed
23 1 1 S1 Switch, LT 6MM Panasonic EVQ-PHK03T
24 5 5 TP1, TP2, TP3, Test point - Single .025 pin, red Keystone 5000
TP7, TP10
25 2 2 TP11, TP12 Test point - Single .025 pin, black Keystone 5001
26 1 1 U1 IC LDO pos-volt reg 5V 8-SOIC Texas TL750L05CDR
Instruments
27 3 3 U2 IC Op Amp GP R-R 80MHZ SGL 8SOIC Texas OPA211ID
Instruments
(1)
The following reference designators are not used:
• C9, C10, C14, C19, C20, C21, C29, R9, R10, R11, R12, R21, R23, R24, TP4, TP5, TP6, TP8, TP9, JP1, JP2, JP10, JP11, U6
8
ADS833xEVM User's Guide SBAU176A– August 2010– Revised May 2011
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