Datasheet

EVAL-AD7352/AD7356/AD7357
Rev. 0 | Page 5 of 16
SETUP CONDITIONS
Care should be taken before applying power and signals to the
evaluation board to ensure that all link positions are set according
to the required operating mode. There are two modes in which
to operate the evaluation board. The user can operate the board
either with the CED or as a standalone board. Table 3 shows the
position in which all the links and solder links are set when the
evaluation board is packaged. When the board is shipped, the
assumption is that the user will use the EVAL-AD7352/AD7356/
AD7357 with the EVAL-CED1Z. Therefore, the links are set so
that all power supplies and control signals are supplied by the
EVAL-CED1Z.
Table 3. Link Positions on the EVAL-AD7352/AD7356/AD7357 When Packaged
Link No. Position Function
LK1 A V
DD
is supplied from the CED through the 96-way connector.
LK2 A V
DRIVE
is supplied from the CED.
LK3 B V− is supplied from the CED.
LK4 B V+ is supplied from the CED.
S1 Open N/A.
S2 Closed SCLK is supplied from the CED.
S3 Open N/A.
S4 Closed The SDATA
A
signal goes to the CED through the 96-way connector.
S5 Open N/A.
S6 Closed The SDATA
B
signal goes to the CED through the 96-way connector.
S7 Open N/A.
S8 Closed
CS
is supplied by the CED.
S9 Open N/A.
S11 Open N/A.
S12 Closed SCLK is supplied by the CED.
S13 Closed
The common mode for the AD8138 op amp that drives ADC A on the AD7356 and AD7357 is supplied from
the buffered output of the internal reference.
S14 Open N/A.
S16 Closed
The common mode for the AD8138 op amp that drives ADC B on the AD7356 and AD7357 is supplied from
the buffered output of the internal reference.
S18 Open N/A.
S19 Closed The source for ADC A is to be terminated through a 49.9 Ω resistor.
S20 Open N/A.
S21 Open N/A.
S22 Open N/A.
S23 Open N/A.
S24 Closed The source for ADC B is to be terminated through a 49.9 Ω resistor.