MCP4728EV Microchip Technology, MCP4728EV Datasheet - Page 18

• Manufacturer Part Number: MCP4728EV
• Description: BOARD EVAL 12BIT 4CH DAC MCP4728
• Manufacturer: Microchip Technology
• Type: D/Ar

Specifications of MCP4728EV

• Number Of Dac's: 4
• Number Of Bits: 12
• Outputs And Type: 1, Single Ended
• Data Interface: I²C
• Settling Time: 6µs
• Dac Type: Voltage
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 125°C
• Utilized Ic / Part: MCP4728
• Product: Data Conversion Development Tools
• Resolution: 12 bit
• Interface Type: I2C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Silicon Manufacturer: Microchip
• Silicon Core Number: MCP4728
• Kit Application Type: Data Converter
• Application Sub Type: DAC
• Kit Contents: Board
• For Use With/related Products: MCP4728
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

MCP4728 Evaluation Board User’s Guide
FIGURE 1-10:
external V
DS51837A-page 14
REF
(V
REF
1.3.2.1
1. Click on WriteBlockAddrA8 in “Example I
How to modify the parameters box in Script Details:
1. Under the Script Detail box, select the item in the parameter box.
2. Right click the mouse button. An option box will appear to the right of your
3. Select the desired option and delete or insert the parameter box.
4. Keep the parameters in order as shown in the next examples.
1.3.2.2
You can select the voltage reference of each channel individually. The choices are:
external (V
example of writing a script file on the PICkit Serial PC GUI.
Creating a new Script file to select V
=V
Note:
DD
1.
2.
3.
This will result in filling in the spaces under the Script Detail column.
You can now modify the Script Detail column parameters by clicking with the
right mouse button.
selection. These are the options available for the parameter selected.
) is selected for all DAC channels.
To change value:
To delete or Insert box:
Make sure the listed
parameters in “script
Detail” are in the exact
order as shown here.
• Click this box and
• Select the box and
type a new value
right click the mouse
button for options
available
EXAMPLE 1: SELECTING VOLTAGE REFERENCE OF EACH DAC
CHANNEL
CREATING SCRIPT FILE FOR CONFIGURATION BYTE WRITING
The following examples need knowledge on the MCP4728 Registers and
Command protocols. Please refer to the Appendix C. “MCP4728
Read/Write Commands” and the MCP4728 Data Sheet for more details.
DD
) or internal reference voltage (V
REF
of each DAC channel. In this example,
REF
2
C Scripts” column.
= 2.048V). Figure 1-10 shows an
© 2009 Microchip Technology Inc.