Texas Instruments ADS1256EVM-PDK User Manual

Schematics and Layout www.ti.com
38
SBAU090E–November 2003–Revised November 2018
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Copyright © 2003–2018, Texas Instruments Incorporated
ADS1256EVM and ADS1256EVM-PDK
10 Schematics and Layout
A schematic for the ADS1256EVM is appended to this user's guide. The bill of materials is provided in
Table 12. Figure 37 through Figure 40 illustrate the ADS1256EVM printed circuit board (PCB) layouts.
Table 12. ADS1256EVM Bill of Materials
Item No Qty Value Ref Des Description Vendor Part No
1 1 10kΩ R1 1/10W 5% chip resistor Panasonic ERJ-3GEYJ103V
2 2 47kΩ R2, R3 1/10W 5% chip resistor Panasonic ERJ-3GEYJ473V
3 3 100Ω RA1, RA2, RA3 Resistor array, eight terminal,
four resistor
CTS 744C083101JPTR
4 1 100kΩ RA4 Resistor array, eight terminal,
four resistor
CTS 744C083104JPTR
5 2 18pF C21. C22 50V ceramic chip capacitor, ±5%,
C0G
TDK C1608C0G1H180JT
6 2 0.1μF C23, C24 16V ceramic chip capacitor,
±10%, X7R
TDK C1608X7R1C104KT
7 2 1μF C3, C18 16V ceramic chip, ±10%, X7R TDK C2012X7R1C105KT
8 2 4.7μF C19, C20 6.3V ceramic chip ±20%, X5R TDK C2012X5R0J475KT
9 1 100μF C4 10V low ESR tantalum capacitor,
±20%
Kemet T520D107M010ATE055
10 4 10nF C1, C2, C7, C10 16V PPS chip capacitor, ±2% Panasonic ECH-U1C103GX5
11 1 U1 Analog to digital converter Texas Instruments ADS1256IDB
12 1 U2 Operational amplifier Texas nstruments OPA350UA
13 1 U3 +2.5V voltage reference Texas Instruments REF5025ID
14 1 U4
256K I
2
C EEPROM
Microchip 24AA256-I/SN
15 2 J1A, J2A 20 pin SMT plug Samtec TSM-110-01-L-DV-P
16 2 J1B, J2B 20 pin SMT socket Samtec SSW-110-22-F-D-VS-K
17 1 J3A 10 pin SMT plug Samtec TSM-105-01-L-DV-P
18 1 J3B 10 pin SMT socket Samtec SSW-105-22-F-D-VS-K
19 3 J6, J7, J8 Three-position header, 0 .1
spacing
Samtec TSW-103-07-L-S
20 1 J5 Four-position header, 0 .1in
spacing
Samtec TSW-104-07-L-S
21 1 J4 2 x 2 position header, 0.1in
spacing
Samtec TSW-102-07-L-D
22 1 J10 2 x 3 position header, 0.1in
spacing
Samtec TSW-103-07-L-D
23 1 N/A ADS1256EVM PWB Texas Instruments 6450840
24 3 S1, S2, S3 DP3T Switch E-Switch EG2305A
25 1 S4 SPDT Switch NKK SS12SDP2
26 1 X1 Crystal, SMD Citizen HCM49-7.680MABJ-UT
27 8 N/A Jumper top Samtec SNT-100-BK-T
Not
Installed
C5, C6, C8, C9, C11,
C12,C13, C14, C15,
C16, C17
Not
Installed
1 J9 1×2 Position header, 0.1”
spacing
Samtec TSW-102-07-L-S

Texas Instruments ADS1256EVM-PDK Specifications

General

Brand	Texas Instruments
Model	ADS1256EVM-PDK
Category	Motherboard
Language	English