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Evaluation Board User
Guide
REFERENCE OPTIONS
the reference source is an AD780: 2.5 V/3.0 V Ultrahigh
Precision Bandgap Voltage Reference. The reference is taken from
the VDD pin of the AD7276. An external VDD voltage may also
be applied to J4
SOCKETS/CONNECTORS
Table 7 Socket connector functions
Socket
J1 PWR
J2
J3
VSS & VDD
J4
J5
VIN UNBIASED
J6
CS
J7
VIN UNBIASED
J8
SCLK
J9
SDATA
J10
Rev. PrA | Page 9 of 28
UG-xxx-AD7276
Function
7- 9V DC transformer power connector.
7-9V bench supply screw terminal connector.
Screw terminal connectors for external
amplifier power supplies.
External power supply for VDD of the AD7276.
Analog input for use with bipolar signal
sources.
External connection to CS .
Analog input for use with unipolar signal
sources.
External connection to SCLK.
External connection to SDATA.
EVAL-SDP-CB1Z Eval board controller socket
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