EVAL-AD5449SDZ Analog Devices, EVAL-AD5449SDZ Datasheet - Page 6

• Manufacturer Part Number: EVAL-AD5449SDZ
• Description: Data Conversion IC Development Tools evaluation board i.c.
• Manufacturer: Analog Devices
• Type: DACr

Specifications of EVAL-AD5449SDZ

• Rohs: yes
• Product: Evaluation Boards
• Tool Is For Evaluation Of: AD5449
• Interface Type: USB
• Operating Supply Voltage: 5 V, +/- 12 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Factory Pack Quantity: 1
• For Use With: EVAL-SDP-CB1Z

UG-297
Synchronous Mode
1.
2.
Example 2
Control Register Configuration
1.
Change Loading Synchronism to Synchronous (/LDAC
Control), write 0xC00 (3072d) in the Enter Data box, and
select Load Input Register DAC A box. You do not see any
change in the output until you select /LDAC Low. The
expected output for this case is
Click Initiate Readback DAC A to confirm that the last
value loaded in the DAC A register is the same as the one
read and shown in the DAC A numeric indicator text box.
Working in asynchronous mode, load and update DAC B
with full scale (0xFFF). The expected output is
V
OUT
=
−
V
REF
×
4096
D
=
−
10
×
3072
4096
=
−
7
5 .
V
Rev. A | Page 6 of 12
2.
3.
Table 1 and Table 2 describe the control functions and control
registers, respectively. The disable daisy-chain and clock data to
shift register on rising edge mode functions are loaded with the
control register. Although they can also be implemented
loading the specified control bits for these functions, they are
only available within the control word for the software
provided.
Select Clear to Midscale in the Hardware Clear box and
Daisy Chain Mode Disable in the CONTROL REGISTER
CONFIGURATION panel; then click the Load Control
Word button. The DAC B outputs change to midscale
(0x800), and the signal in the SDO pin maintains a
constant value until the daisy-chain mode is enabled again.
Click Exit when you complete your evaluation.
V
OUT
=



V
REF
Evaluation Board User Guide
×
2
D
n
−
1



−
V
REF
=



10
×
4095
2048



−
10
=
+
10
V