Texas Instruments INA-DUAL-2AMP-EVM Скачать руководство пользователя страница 11

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4.2 PCB Layout

Note

Figure 4-2

manufacturing PCBs.

Figure 4-2. INA-DUAL-2AMP-EVM PCB

www.ti.com

Schematic, PCB Layout, and Bill of Materials

INA-DUAL-2AMP-EVM

Содержание INA-DUAL-2AMP-EVM

Страница 1: ...uate the performance of the devices in both single supply and dual supply configurations This document includes the schematic printed circuit board PCB layouts and BOM Throughout this document the ter...

Страница 2: ...4 Figure 2 2 Single Supply Configuration Direct Reference Connection 5 Figure 2 3 Single Supply Configuration Buffered Reference Connection 6 Figure 4 1 INA DUAL 2AMP EVM Schematic 10 Figure 4 2 INA...

Страница 3: ...The INA DUAL 2AMP EVM evaluates INAs that have the pinout shown in Figure 1 1 VINA VINA RGA RGA 1 2 3 4 U2 RefA VOA SenseA V 5 6 7 8 VINB VINB RGB RGB 16 15 14 13 RefB VOB SenseB V 12 11 9 U3 10 Figur...

Страница 4: ...F TP11 GND OAV OAV TP2 C3 10 F C4 1 F C8 10 F C9 1 F TP12 J1 J2 Instrumentation Amplifier Power Supply Operational Amplifier Power Supply TP8 TP9 TP23TP24 TP4 TP5 TP6 TP7 1 2 3 1 2 3 Figure 2 1 Dual S...

Страница 5: ...onal Amplifier Power Supply TP8 TP9 TP23TP24 TP4 TP5 TP6 TP7 1 2 3 1 2 3 Figure 2 2 Single Supply Configuration Direct Reference Connection 1 VS to test point TP1 2 GND to test point TP11 3 Install ju...

Страница 6: ...P15 TP3 GND C14 OAV 0 1 F TP13 R7 GND R6 C12 GND C13 R15 R3 U1 VINA VINA RGA RGA 1 2 3 4 U2 RefA VOA SenseA V 5 6 7 8 VINB VINB RGB RGB 16 15 14 13 RefB VOB SenseB V 12 11 9 U3 GND C22 V 0 1 F R32 GND...

Страница 7: ...rential input signal connect to test points VinA TP14 and VinA TP17 of channel A a Differential input signal connect to test points VinB TP20 and VinB TP22 of channel B 9 Observe output at test point...

Страница 8: ...VCM v VOUT 3 2 1 Input Filtering Components R12 R17 and C16 C18 C21 provide the ability to apply common mode and differential mode filtering to the inputs The cutoff frequencies for the filters are s...

Страница 9: ...corresponding reference pins The EVM layout allows for many configurations to bias the reference pin such as Sallen Key 2nd order filter Buffer configuration Inverting and noninverting gain configura...

Страница 10: ...C30 C27 R31 V R30 V V R39 R40 V R35 R37 R33 R34 0 GND GND R36 C31 TP21 C10 OAV 0 1 F GND GND TP19 TP16 GND GND C11 GND GND C19 R28 C29 TP20 TP22 0 0 R5 R25 C24 C17 R1 C5 R2 R9 R27 R23 C25 C26 R20 C28...

Страница 11: ...2 is intended to show how the board is laid out it is not intended to be used for manufacturing PCBs Figure 4 2 INA DUAL 2AMP EVM PCB www ti com Schematic PCB Layout and Bill of Materials SBOU272 NOV...

Страница 12: ...H4 4 Bumpon Hemisphere 0 25 X 0 075 Clear 75x250 mil SJ5382 3M J1 J2 2 Header 2 54mm 3x1 Tin TH Header 2 54mm 3x1 TH 68001 403HLF FCI R5 R12 R14 R17 R25 R32 R34 R37 8 0 RES 0 5 0 125 W 0805 0805 RC080...

Страница 13: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Страница 14: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Страница 15: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Страница 16: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Страница 17: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Страница 18: ...change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of thes...