EVAL-AD5532EB Analog Devices Inc, EVAL-AD5532EB Datasheet - Page 5
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EVAL-AD5532EB
Manufacturer Part Number
EVAL-AD5532EB
Description
BOARD EVAL FOR AD5532
Manufacturer
Analog Devices Inc
Specifications of EVAL-AD5532EB
Rohs Status
RoHS non-compliant
Number Of Dac's
32
Number Of Bits
14
Outputs And Type
32, Single Ended
Sampling Rate (per Second)
45k
Data Interface
Serial
Settling Time
22µs
Dac Type
Voltage
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
AD5532
Lead Free Status / Rohs Status
Not Compliant
Select Channel
Once the offset is acquired you can write a value (in hex) to
any selected DAC register as follows:
•
to 3FFF) at DAC Word (Hex). Press Return.
•
•
Fig. 3: DAC Mode.
3) Acquire/Readback Mode
This mode allows the user to read back the data in a particular
DAC register via the serial interface.
Acquire & Readback
Use this function to acquire VIN and read back the corre-
sponding DAC value as follows:
• Select any channel and enter the required V
at Analog Input Voltage. Press Return.
• Click on Acquire & Readback to acquire V
the DAC value in hex at DAC Code.
Readback
Use this function to readback a particular DAC as follows:
•
•
at DAC Code.
Fig. 4: Acquire & Readback Mode.
REV. 0
Select any channel and enter the required hex value (0000
Click on Update Selected Channel.
Measure the corresponding V
Select any channel and press Return.
Click on Readback Only to read back the DAC value in hex
OUT
.
IN
IN
and read back
value (0-3V)
– 5 –
4) Calibrated/SHA Mode
This mode allows the user to determine the output range of
each channel for a particular offset value. Results can be saved
to a file and re-loaded in a later session.
Channel Calibration
Determine the endpoints (V
channel as follows:
• Enter the value at the OFFS_IN pin at Offset In(V).
• Select any particular input channel.
• Click on Calibrate Channel.
• Measure V
V
• Measure V
V
See the Usable Range for the selected channel.
Fig. 5: Calibrated SHA Mode.
Saving calibration results
Offset and Gain values for all channels can be saved to a file
by clicking on Save Coefficients. To automatically save all
coefficients click on Auto-save Coefficients. Use Load Coef-
ficients to reload coefficients from a previous session.
Required O/P voltage
Enter a value at Required O/P Voltage to program a specific
value at V
IN
IN
= 100mV.
= 2.98V.
OUT
OUT
OUT
for the selected channel.
at the selected channel and enter it's value for
at the selected channel and enter it's value for
IN
EVAL-AD5532EB
= 0.1V and V
IN
= 2.98V) of any