Analog Devices EVAL-AD7450A, User Manual

Page: 10 / 28

EVAL-AD7450A/EVAL-AD7451 Evaluation Board User Guide
Rev. A | Page 10 of 28
Table 3. Link Options—Setup Conditions for AD7450A
Link No. Position Function
LK1 A INPUT A is connected to single-ended to differential converter (U5-A).
LK2 Inserted INPUT A input impedance is 51 Ω.
LK3 B INPUT B is connected to single-ended buffer (U10-B).
LK4 Inserted Input signal at INPUT A is bipolar.
LK5 C V
REF
/2 is supplied to U5-B.
LK6 A Signal is sourced from single-ended to differential converter (U5-A).
LK7 A Signal is sourced from single-ended to differential converter (U5-B).
LK8 Inserted INPUT B input impedance is 51 Ω.
LK9 B V
REF
is sourced from U2.
LK101 A Amplifier negative voltage supplied from an on-board supply.
LK102 A Amplifier positive voltage supplied from an on-board supply.
LK701 A V
DD
supplied from on-board supply (5 V).
Table 4. Link Options—Setup Conditions for AD7451
Link No. Position Function
LK1 C INPUT A is connected to bias up circuit (U7).
LK2 Inserted INPUT A input impedance is 51 Ω.
LK3 B INPUT B is connected to single-ended buffer (U10-B).
LK4 Inserted Input signal at INPUT A is bipolar.
LK5 C V
REF
/2 is supplied to U5-B.
LK6 C Signal is sourced from bias up circuit (U7-B).
LK7 B Signal is sourced from input buffer (U10-B).
LK8 Inserted INPUT B input impedance is 51 Ω.
LK9 B V
REF
is sourced from U2.
LK101 A Amplifier negative voltage supplied from an on-board supply.
LK102 A Amplifier positive voltage supplied from an on-board supply.
LK701 A V
DD
supplied from an on-board supply (5 V).