EVAL-AD7898CB Datasheet, PDF (3/13 Pages) Analog Devices – Evaluation Board for 5V, 12-Bit, Serial 220kSPS ADC in 8-Pin Package

EVAL-AD7898CB
SET-UP CONDITIONS
Care should be taken before applying power and signals to the evaluation board to ensure that all link positions are
as per the required operating mode. Table I shows the position in which all the links are set when the evaluation
board is sent out.
Table I. Initial Link and Switch Positions
Link No.
LK1
Position
Removed
Function.
50Ω termination is not selected.
LK2
A
Vin Jack, J4 is tied to the input of the AD711 buffer op-amp.
LK3
A
The on-board AD780 voltage reference supplies the REFIN pin of the AD7898.
LK4
A
LK5
A
V_DD (+5V) supplied by the EVALUATION-BOARD CONTROLLER via J1.
CS/CONVST is supplied from the EVALUATION-BOARD CONTROLLER via
J1.
LK6
A
VDRIVE pin of the AD7898 is connected to V_DD (+5V)
LK7
A
SCLK input is supplied from the EVALUATION-BOARD CONTROLLER via
J1.
LK8
A
+12V supplied from EVALUATION-BOARD CONTROLLER via J1.
LK9
A
-12V supplied from EVALUATION-BOARD CONTROLLER via J1.
LK10 LK11 B & B
SCLK generated by the EVALUATION-BOARD CONTROLLER is not in-
verted.
REV. 0
–3–