Datasheet

Schematics
3-9
EVM Operation
V
OUT
D is not connected for digitally programmable current
source
operation
W24
V
OUT
D is connected for digitally programmable current
source
operation
1 3
V
SS
of the DUT is connected to AGND for unipolar mode of
operation
W25
1 3
V
SS
of the DUT is connected to −5-V supply for bipolar mode of
operation
1 3
GPIO4 is used to drive the LDAC signal of the DUT
W26
1 3
GPIO0 is used to drive the LDAC signal of the DUT
1 3
CS is used to drive the CS signal of the DUT
W27
1 3
FSX is used to drive the CS signal of the DUT
Disconnects external load for digitally programmable current
source operation
TP9
Connects external load for digitally programmable current source
operation
Disconnects external load for digitally programmable current
source operation
TP10
Connects external load for digitally programmable current source
operation
Legend: Indicates the corresponding pins that are shorted or closed.
3.7 Schematics
Figure 3−3. DAC7654 Schematic
The EVM schematic is on the following page.