Appendix A Schematic And Layout; Ads1230Ref Bill Of Materials - Texas Instruments ADS1230REF User Manual

Appendix A

Appendix A Schematic and Layout

The printed circuit board (PCB) layouts for the top and bottom sides of the ADS1230REF are
shown in Figure A-1
Section A.3. The bill of materials is provided in
A.1 Bill of Materials
Reference Designator
R23, R24
R17
R2, R3
R12–R15
R11
R1
R4–R10, R16
R25, R26
R18, R30
R22
R19-R21
C1, C2, C16, C17
C29, C30, C31, C32
C38, C40–C43
C5, C11, C13–C15
C12, C21, C33–C36
C6, C7
C9, C10, C22
C37, C44–C47
C23–C28
C3
C8, C18–C20
C4
U6
U5
U2, U3
U1
24 Schematic and Layout
and Figure A-2, respectively. Schematics for the ADS1230REF are shown in
Table A-1. ADS1230REF Bill of Materials
Description
0 1/16W 1% Chip Resistor
20 1/4W 5% Chip Resistor
33 1/10W 5% Chip Resistor
100 1/10W 5% Chip Resistor
220 1/10W 5% Chip Resistor
1.5K 1/10W 5% Chip Resistor
10K 1/10W 5% Chip Resistor
20K 1/16W 1% Chip Resistor
47K 1/10W 5% Chip Resistor
200k Potentiometer 200kΩ,
1/4in SQ
221k 1/16W 1% Chip Resistor
22pF 50V Ceramic Chip
Capacitor, ±0.5pF, NPO
100pF 16V PPS Film Chip
Capacitor, 2%
100pF Filter High Frequency,
100pF
0.01μF 50V Ceramic Chip
Capacitor, ±10%, X7R
0.1μF 50V Ceramic Chip
Capacitor, ±10%, X7R
0.1μF 16V PPS Film Chip
Capacitor, 2%
1μF 16V Ceramic Chip
Capacitor, ±10%, X7R
1μF Filter High-Frequency,
1.0μF
2.2μF 6.3V Ceramic Chip
Capacitor, ±20%, X5R
4.7μF 16V Ceramic Chip
Capacitor, +80/-20%, Y5V
10μF 16V Ceramic Chip
Capacitor, ±20%, X7R
100μF 10V Tantalum Chip
Capacitor, ±10%
Analog-to-Digital Converter
Microcontroller
Linear Voltage Regulator,
+3.3V
Linear Voltage Regulator, +5V
Table A-1.
Manufacturer
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Bourns
Panasonic
TDK
Panasonic
Murata
TDK
TDK
Panasonic
TDK
Murata
TDK
TDK
TDK
Kemet
Texas Instruments
Texas Instruments
Texas Instruments
Texas Instruments
SBAU125A – August 2007 – Revised September 2007
www.ti.com
Mfg. Part Number
ERJ-3GEY0R00V
ERJ-8GEYJ200V
ERJ-3GEYJ330V
ERJ-3GEYJ101V
ERJ-3GEYJ221V
ERJ-3GEYJ152V
ERJ-3GEYJ103V
ERJ-3EKF2002V
ERJ-3GEYJ473V
3362U-1-204LF
ERJ-3EKF2213V
C1608C0G1H220J
ECH-U1C101GX5
NFM21CC101U1H3D
C1608X7R1H103K
C1608X7R1H104K
ECH-U1C104GX5
C1608X7R1C105K
NFM21PC105B1C3D
C1608X5R0J225M
C2012Y5V1C475Z
C3216X7R1C106M
T494D107K010AT
ADS1230IPW
MSP430F449IPZ
TPS77133DGKG4
TPS76350DBVG4
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