Texas Instruments ADS1174EVM, Руководство пользователя, Страница: 29 / 48

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Schematics and Layout
Table 8. ADS1174EVM/ADS1274EVM Bill of Materials (continued)
Item
No. Qty Value Ref Des Description Vendor Part Number
22 1 0.15
µ
F C3 Capacitor, X7R Ceramic 0.15
µ
F TDK C1608X7R1E154KT
±
10%, 25WV, Size = 0603
23 1 0.22
µ
F C35 Capacitor, X7R Ceramic 0.22
µ
F TDK C1608X7R1C224KT
±
10%, 16WV, Size = 0603
24 1 0.47
µ
F C1 Capacitor, X5R Ceramic 0.47
µ
F TDK C1608X5R1A474KT
±
10%, 10WV, Size = 0603
25 2 1
µ
F C27, C81 Capacitor, X7R Ceramic 1
µ
F TDK C1608X7R1C105KT
±
10%, 16WV, Size = 0603
26 1 4.7
µ
F C25 Capacitor, X7R Ceramic 4.7
µ
F Murata GRM21BR61C475KA88L
±
10%, 6.3WV, Size = 0805
27 5 10
µ
F C21-C24, C82 Capacitor, X5R Ceramic 10
µ
F TDK C3216X5R1C106MT
±
20%, 16WV, Size = 1206
28 2 22
µ
F C30, C31 Capacitor, X5R Ceramic 22
µ
F TDK C3225X5R1C226MT
±
20%, 16WV, Size = 1210
29 1 100
µ
F C2 Capacitor, X5R Ceramic 100
µ
F TDK C3225X5R0J107MT
±
20%, 6.3WV, Size = 1210
30 1 U4 Precision Delta-Sigma ADC, 4 Texas ADS1274IPAP
Differential Input Instruments (ADS1274EVM) or
ADS1174IPAP
(ADS1174EVM)
31 1 U2 Precision Voltage Reference, 2.5V Texas REF5025ID
Instruments
32 1 U3 Operational Amplifier, Dual Texas OPA2350EA
Instruments
33 1 U1 Precision Voltage Reference Texas REF3125AIDBZ
Instruments
34 4 U8-U11 Fully-Differential Amplifier Texas OPA1632DGN
Instruments
35 1 U19 Single, Inverter Texas SN74LVC1G04DBVR
Instruments
36 1 U20 Single, D Flip-Flop Texas SN74LVC2G74DCTR
Instruments
35 1 U6 Single, 2-Line to 1 Data Texas SN74LVC2G157DCT
Selector/Multiplexer Instruments
36 1 U16 LDO Voltage Regulator, 1.8 V, 200 Texas TPS73018DBV
mA Instruments
37 1 U5 Dual output 800-mA DC/DC Switch Texas TPS65131RGET
boost converter Instruments
38 2 U17, U18 16-Bit I2C I/O Expander Texas PCA9535RGE
Instruments
39 1 U21 EEPROM, 1.8V, 256K Microchip 24AA256-I/ST
39 1 27 MHz U7 3.3-V Oscillator CTS CB3LV-3I-27M0000
40 2 J5A, J9A 20-pin SMT Plug Samtec TSM-110-01-L-DV-P
41 2 J5B, J9B 20-pin SMT Socket Samtec SSW-110-22-F-D-VS-K
42 1 J3A 10-pin SMT Plug Samtec TSM-105-01-L-DV-P
43 1 J3B 10-pin SMT Socket Samtec SSW-105-22-F-D-VS-K
44 2 J2, J6 Header Strip, 4-pin ( ) Samtec TSW-102-07-L-D
46 3 J4, J17, J18 Header Strip, 2-pin ( ) Samtec TSW-102-07-L-S
47 4 J1, J15, J16, Header Strip, 4-pin ( ) Samtec TSW-103-07-L-S
J19
48 1 J7 Terminal Block 3.5-mm 9-Position On Shore ED555/9DS
PCB Technology
SBAU134A – August 2008 – Revised May 2009 ADS1174EVM, ADS1274EVM, ADS1174EVM-PDK, and ADS1274EVM-PDK 29
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