AD7607 datasheet(33/36 Pages) AD

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33 / 36 page

Data Sheet

AD7609

Rev. A | Page 33 of 36

To ensure good device-to-device performance matching in a

system that contains multiple AD7609 devices, a symmetrical

layout between the AD7609 devices is important. Figure 62

shows a layout with two AD7609 devices. The AVCC supply

plane runs to the right of both devices. The VDRIVE supply track

runs to the left of the two AD7609 devices. The reference chip

is positioned between both AD7609 devices and the reference

voltage track runs north to Pin 42 of U1 and south to Pin 42

to U2. A solid ground plane is used. These symmetrical layout

principles can be applied to a system that contains more than

two AD7609 devices. The AD7609 devices can be placed in a

north-to-south direction with the reference voltage located

midway between the AD7609 devices and the reference track

running in the north-to-south direction similar to Figure 62.

Figure 62. Multiple AD7609 Layout, Top Layer and Supply Plane Layer

AD7607 bảng dữ liệu(PDF) 33 Page - Analog Devices