Datasheet

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Table 7. ADS1148EVM/ADS1248EVM Bill of Materials (continued)
Item No. Qty Value Ref Des Description Vendor Part Number
24 0 RA2 Resistor, Chip Array 4 Independent Bus
100kΩ, 5%, 1/16W, SMD
25 1 10kΩ R1 Resistor, Thick Film Chip 10kΩ, 5%, 1/10W, Panasonic ERJ-3GEYJ103V
Size = 0603
26 1 2kΩ R2 Resistor, Thick Film Chip 2kΩ, 1%, 1/16W, Panasonic ERJ-3EKF2001V
Size = 0603
27 10 47Ω R3-R12 Resistor, Thick Film Chip 47Ω, 5%, 1/10W, Panasonic ERJ-3GEYJ470V
Size = 0603
28 2 100kΩ R13, R23 Resistor, Thick Film Chip 100kΩ, 5%, Panasonic ERJ-3GEYJ104V
1/10W, Size = 0603
29 4 0Ω R14, R15, R16, R17 Resistor, Thick Film Chip 0Ω, 5%, 1/10W, Panasonic ERJ-3GEY0R00V
Size = 0603
30 1 47kΩ R18 Resistor, Thick Film Chip 47kΩ, 5%, 1/10W, Panasonic ERJ-3GEYJ473V
Size = 0603
31 2 470kΩ R19, R20 Resistor, Thick Film Chip 470kΩ, 5%, Panasonic ERJ-3GEYJ474V
1/10W, Size = 0603
32 2 100Ω R21, R22 Resistor, Thick Film Chip 100Ω, 5%, 1/10W, Panasonic ERJ-3GEYJ101V
Size = 0603
33 2 2.7kΩ R24, R25 Resistor, Thick Film Chip 2.7kΩ, 5%, Panasonic ERJ-3GEYJ272V
1/10W, Size = 0603
34 1 S1 Switch, Mini Slide, SPDT NKK SS12SDP2
35 0 TP1-TP5 PCB Test Point, Mini Loop, Through-Hole
36 1 TP6 PCB Test Point, Large Loop, Through-Hole Keystone 5011
Electronics
37 1 U1 Precision Voltage Reference, 2.048V Texas REF5020ID
Instruments
38 1 U2 Precision Operational Amplifier Texas OPA227U
Instruments
39 1 U3 Texas PCA9535RGE
16-Bit I
2
C I/O Expander
Instruments
40 1 U4 Inverter, Single Gate Texas SN74AHCT1G04DBV
Instruments R
41 1 U5 Buffer, Open Drain, Single Gate Texas SN74LVC1G07DBVR
Instruments G4
42 1 U6 LDO Voltage Regulator, 2.5V, 100mA Texas TPS79225DBVRG4
Instruments
43 1 U7 Single, 2-Line to 1 Data Selector/Multiplexer Texas SN74LVC2G157DCT
Instruments
44 0 U8 3.3 V Oscillator
45 1 U9 LDO Voltage Regulator, 2.5V, 200mA Texas TPS72325DBVTG4
Instruments
46 1 U10 Precision Delta-Sigma ADC, 24-bit/16-bit Texas ADS1248IPW/ADS11
Instruments 48IPW
47 1 U11 EEPROM, 1.8V, 256k Microchip 24AA256-I/ST
48 1 U12 Supervisor, 2.64V Threshold Texas TPS3836L30DBVT
Instruments
49 10 N/A Shorting Blocks Samtec SNT-100-BK-T
Revision History
Changes from A Revision (July, 2009) to B Revision .................................................................................................... Page
• Updated Table 3 .......................................................................................................................... 5
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
30
Revision History SBAU142B– April 2009–Revised May 2011
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