Datasheet

ManualsBrandsANALOG DEVICES ManualsData collecting ICsData acquisition IC - AD converter (ADC) External , Internal LFCSP 20 VQ

AD7985

Rev. A | Page 26 of 28

5

4

PADDLE

3

1

2

6

BVDD

AVDD

DVDD

VIO

GND

GND

GND

GND

GND

GNDGND

REF

REF

REF

07947-030

Figure 38. Example Layout of the AD7985 (Top Layer)

5V

EXTERNAL

REFERENCE

(ADR435 OR ADR445)

GND

VIO

C

REF

BVDD AVDD

DVDD

VIO

GND

GND

GND

GND

GND

GNDGND

REF

REF

REF

C

BVDD

C

AVDD

C

VIO

C

DVDD

07947-031

Figure 39. Example Layout of the AD7985 (Bottom Layer)