Texas Instruments BoosterPack BOOSTXL-ADS7841-Q1, Руководство пользователя, Страница: 20 / 30

Bill of Materials, Printed-Circuit Board Layout, and Schematics
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20 SNAU229 – December 2017
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BOOSTXL-ADS7841-Q1 BoosterPack™ User's Guide
Table 2. Bill of Materials (continued)
Designator Quantity Description Manufacturer Part Number Manufacturer
U4 1 I2C BUS EEPROM (2-Wire), TSSOP-B8 BR24G32FVT-3AGE2 Rohm
U6 1 Automotive, Precision, 20MHz, 0.9pA Ib, RRIO, CMOS
Operational Amplifier, DGK0008A (VSSOP-8) OPA2320AQDGKRQ1 Texas Instruments
U8 1 12-BIT 4-CHANNEL SERIAL-OUTPUT SAMPLING
ANALOG-TO-DIGITAL CONVERTER, DBQ0016A
(SSOP-16) ADS7841ESQDBQRQ1 Texas Instruments
U9 1 Automotive Catalog, Low Noise, Very Low Drift,
Precision Voltage Reference, -40 to125 degC, 8-pin
SOIC (D), Green (RoHS & no Sb/Br) REF5045AQDRQ1 Texas Instruments
C8, C12, C18, C22,
C28 0 CAP, CERM, 0.01 µF, 16 V, +/- 10%, X7R, 0603 GRM188R71C103KA01D MuRata
J6, J9, J14 0 Header, 100mil, 2x1, Tin, TH PEC02SAAN Sullins Connector Solutions
J7, J11 0 SMA Straight PCB Socket Die Cast, 50 Ohm, TH 5-1814832-1 TE Connectivity
R18, R29 0 RES, 1.0 k, 5%, 0.063 W, 0402 CRCW04021K00JNED Vishay-Dale
R27, R34 0 RES, 330 k, 5%, 0.063 W, 0402 CRCW0402330KJNED Vishay-Dale
TP1, TP2, TP3,
TP8, TP9, TP10,
TP11, TP12, TP13 0 TEST POINT. No entry in BOM.
5.2 PCB Layout
Figure 15 to Figure 18 show the EVM PCB layout.
Figure 15. BOOSTXL-ADS7841-Q1 Top Layer Routing