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Circuit Description
2
Circuit Description
2.1
Schematic Diagram
The schematic diagram for the this EVM is attached at the end of this document. See the schematic or
relevant section of this user's guide before changing any jumpers.
2.2
ADC Circuit Function
Selection of various modes of operation of the ADS62PXX EVM is most often controlled by jumpers on the
EVM, either by placing shunts on 0.025-inch square jumper posts or by installation of surface mount 0Ω
resistors. In general, the use of 0Ω resistors as jumpers are used in the clock or signal path where signal
integrity is critical, and jumper posts are used for static or low-speed control paths.
relative location of the jumpers, connectors, and switches used on the ADS62PXX EVM.
the relative locations of most of the resistors and surface-mount 0Ω jumper locations used on the EVM. In
the description of the circuit options in the following sections, each operational mode is accompanied by a
table entry that details the jumper or resistor changes that enable that option.
assist the user to quickly identify where these jumpers are located on the EVM.
8
ADS62PXXEVM
Figure 1. ADS62PXX Jumpers
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Figure 1
shows the
Figure 2
Figure 1
and
Figure 2
SLAU237A – May 2008 – Revised April 2009
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