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LMP8601

Application Note 1940 LMP8601 Evaluation Board User's Manual

Literature Number: SNOA539

Summary of Contents for LMP8601

Page 1: ...LMP8601 Application Note 1940 LMP8601 Evaluation Board User s Manual Literature Number SNOA539 ...

Page 2: ... a precise gain of 20x which is adequate in most targeted applications to drive an ADC to its full scale value The fixed gain is achieved in two separate stages a pream plifier with a gain of 10x and an output stage buffer amplifier with a gain of 2x The connection between the two stages of the signal path is brought out on two pins to enable the pos sibility to create an additional filter network...

Page 3: ...st and second stage This can be used to reduce the output noise and glitch es that might appear from switching large common mode voltages with very fast transients at the input Please see the application section of the LMP8601 data sheet for more de tails about this filter the Header J2 is normally shorted with a jumper and connects the first stage to the second stage The application section of th...

Page 4: ...P8601 part Connector and Header Functions Designator Function or Use Comment J1 Offset selection 1 2 Mid rail offset Bi directional 2 3 Ground Referenced unidirectional J2 the second stage Short to connect first stager output to output amplifier input Normally shorted P1 Positive Input P2 Negative Input P3 Output P5 supply VS P6 ground connection GND Schematic 30089703 3 www national com AN 1940 ...

Page 5: ...Layout 30089707 FIGURE 3 Layout Silk Screen 30089706 FIGURE 4 Layout Top Layer www national com 4 AN 1940 ...

Page 6: ...apacitor N A 0603 J1 Header 2 pin Mid rail Offset J2 Header 2 pin P1 Banana plug YELLOW IN Banana_COLOR P2 Banana plug WHITE IN Banana_COLOR P3 Banana plug BLUE OUT Banana_COLOR P5 Banana plug RED VS Banana_COLOR P7 Banana plug BLACK GND Banana_COLOR U1 LMP8601 LMP8601QMA M08A_N 5 www national com AN 1940 ...

Page 7: ...NATIONAL ASSUMES NO LIABILITY FOR APPLICATIONS ASSISTANCE OR BUYER PRODUCT DESIGN BUYERS ARE RESPONSIBLE FOR THEIR PRODUCTS AND APPLICATIONS USING NATIONAL COMPONENTS PRIOR TO USING OR DISTRIBUTING ANY PRODUCTS THAT INCLUDE NATIONAL COMPONENTS BUYERS SHOULD PROVIDE ADEQUATE DESIGN TESTING AND OPERATING SAFEGUARDS EXCEPT AS PROVIDED IN NATIONAL S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS NATIO...

Page 8: ...for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge and agre...

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