Evaluation Board Hardware; Device Description; Hardware Link Options; Power Supplies - Analog Devices EVAL-AD7928SDZ User Manual

EVALUATION BOARD HARDWARE

DEVICE DESCRIPTION

The AD7606 ADC is a 16-bit, , 8-channel, simultaneous
sampling successive approximation ADC. The device operates
from a single 2.7 V to 5.25 V power supply and features
throughput rates of up to 200 KSPS. The device has onboard
1MΩ input buffers meaning direct connection from sensor to
ADC.
Full data on the AD7606 is available in the
which should be consulted in conjunction with this user guide
when using the evaluation board. Full details on the
SDP-CB1Z are available at the SDP board product page.

HARDWARE LINK OPTIONS

The functions of the link options are described in Table 2. The
default setup is configured to operate the evaluation board with
the main power supply or 9 V adapter and to interface to the SDP
board.

POWER SUPPLIES

Before applying power and signals to the evaluation board,
ensure that all link positions are set according to the required
operating mode. See Table 2 for the complete list of link options.
The AD7606 evaluation board is supplied with a wall-
mountable switching power supply that provides 9 V dc output.
AD7606 data sheet,
EVAL-
Rev. Pr.A | Page 4 of 13
EVAL-AD7928SDZ User Guide
Connect the supply to a 100 V to 240 V ac wall outlet at 50 Hz
to 60 Hz. The output from the supply is provided through a 2.0
mm inner diameter jack that connects to the evaluation board
at J1. The 9 V supply is connected to the on-board, 5 V linear
regulator that supplies the correct bias to each of the various
sections on the evaluation board and on the
SDP board.
When using the EVAL-AD7606SDZ
EVAL-SDP-CB1Z SDP board, power the evaluation board
through the J1 connector.
If the evaluation board is used without the 9 V adapter, an
external power supply in the range 7 V to 9 V must be
connected to J3 to supply the
Each supply is decoupled on this evaluation board using 10 µF
tantalum and 100 nF multilayer ceramic capacitors.
Table 1. External Power Supplies Required
Power Voltage
Supply Range
DC Jack 7 V to 9 V ± 5%
J3 7 V to 9 V
EVAL-SDP-CB1Z
evaluation board with the
ADP7104 5V linear regulator.
Description
Supplies power to on-board
power management devices
Digital logic supply