Analog Devices UG-442 User Manual page 5

Evaluation Board User Guide
Link No. Description
LK15 This link selects the voltage reference source.
Position A selects the internal voltage reference of the
Position B selects an external source that can be applied at Connector J3.
Position C selects the on-board
LK16 This link selects the negative power supply source for U6.
Position A selects the AV
less (in magnitude) than −16.5 V).
Position B selects the V− input as the negative power supply source (use only if the power supply applied to AV
greater (in magnitude) than −16.5 V).
LK17 This link connects the DV
When this link is inserted, the DV
inserted to disable the
When this link is removed, the DV
be removed to enable the
LK18 This link connects the AV
inserted for operation of the AD5422).
ADR435 as the voltage reference source.
input as the negative power supply source (use only if the power supply applied to AV
SS
pin of the AD5422 to the on-board digital power supply.
CC
pin of the AD5422
CC
AD5422 internal digital power supply).
pin of the AD5422
CC
AD5420 internal digital power supply).
pin of the AD5422 to the power supply applied at the AV
DD
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AD5422 as the voltage reference source.
is connected to the on-board digital power supply (LK3 must be
is disconnected from the on-board digital power supply (LK3 should
UG-442
SS
SS
input connector, J2 (LK18 must be
DD
input is
input is