Datasheet

www.ti.com Schematics and Layout
10 Schematics and Layout
Schematics for the ADS1258EVM are appended to this user's guide. The bill of materials is provided in
Table 9.
10.1 Bill of Materials
NOTE: All components should be RoHS-compliant. Some part numbers may be either leaded or
RoHS. Verify that purchased components are RoHS-compliant.
Table 9. ADS1258EVM Bill of Materials
Item No. Qty Value Ref Des Description Vendor Part Number
1 2 0 R11, R12 Resistor, Thick Film Chip, 0Ω, 5%, Panasonic ERJ-8GEY0R00V
1/4W, Size = 1206
2 1 20 R5 Resistor, Thick Film Chip, 20Ω, Panasonic ERJ-3GEYJ200V
5%, 1/10W, Size = 0603
3 2 1k R3, R4 Resistor, Metal Film Chip, 1kΩ, Panasonic ERA-3YEB102V
0.1%, 1/16W, Size = 0603
4 2 10k R1, R2 Resistor, Thick Film Chip, 10kΩ, Panasonic ERJ-3GEYJ103V
5%, 1/10W, Size = 0603
5 7 100k R6–R10, R13, Resistor, Thick Film Chip, 100kΩ, Panasonic ERJ-3GEYJ104V
R14 5%, 1/10W, Size = 0603
6 2 4.7pF C25, C26 Capacitor, C0G Ceramic, 4.7pF TDK C1608C0G1H047JT
±5%, 50WV, Size = 0603
7 1 2200pF C24 Capacitor, C0G Ceramic, 2200pF TDK C3216C0G2J222JT
±5%, 630WV, Size = 1206
8 1 22000pF C6 Capacitor, X7R Ceramic, 22000pF TDK C1608X7R1H223KT
±1%, 50WV, Size = 0603
9 11 0.1μF C1–C5, C7, C8, Capacitor, X7R Ceramic, 0.1μF TDK C1608X7R1H104KT
C18–C21 ±10%, 50WV, Size = 0603
10 5 1μF C12–C16 Capacitor, X7R Ceramic, 1μF TDK C1608X7R1C105KT
±10%, 16WV, Size = 0603
11 3 10μF C9–C11 Capacitor, X5R Ceramic, 10μF TDK C3216X5R1C106MT
±20%, 16WV, Size = 1206
12 1 220μF C17 Chip Capacitor, Low ESR Kemet T495D227K010ATE125
Tantalum 220uF ±10%, 10WV,
Size = V
Not Installed 2 C22, C23 Capacitor, Ceramic, Size = 1206
13 1 U4 Precision Delta-Sigma ADC, 16 Texas Instruments ADS1158IRTCTG4 or
Input, 16-bit or 24-bit ADS1258IRTCTG4
14 1 U1 Precision Voltage Reference, 2.5V Texas Instruments REF1004I-2.5
15 1 U2 DAC, 16-bit, Low Power Texas Instruments DAC8571IDGKG4
16 1 U3 Operational Amplifier Texas Instruments OPA301AIDBVRG4
17 1 U5 Buffer, Tri-State, Single Gate Texas Instruments SN74LVC1G126DBVRG4
18 1 U6 LDO Voltage Regulator, 2.5V, Texas Instruments TPS79225DBVRG4
100mA
19 1 U7 Inverter, Single Gate Texas Instruments SN74AHCT1G04DBVR
20 1 U8 Buffer, Open Drain, Single Gate Texas Instruments SN74LVC1G07DBVRG4
21 1 U9 LDO Voltage Regulator, 2.5V, Texas Instruments TPS72325DBVTG4
200mA
22 1 U11 Dual Split Rail Level Shifter Texas Instruments SN74AVC2T45DCT
Transceiver
23 1 U12 Bus Transceiver, 8-bit, Level Texas Instruments SN74AVC8T245RHLRG4
Translator
24 2 J1A, J6A 20-pin SMT Plug Samtec TSM-110-01-L-DV-P
25 2 J1B, J6B 20-pin SMT Socket Samtec SSW-110-22-F-D-VS-K
26 1 J5A 10-pin SMT Plug Samtec TSM-105-01-L-DV-P
27 1 J5B 10-pin SMT Socket Samtec SSW-105-22-F-D-VS-K
28 1 J2 Header Strip, 16 pin Samtec TSW-108-07-L-D
35
SBAU126C– May 2007– Revised May 2011 ADS1158EVM, ADS1258EVM, ADS1158EVM-PDK, and ADS1258EVM-PDK
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