MCP4725DM-PTPLS Microchip Technology, MCP4725DM-PTPLS Datasheet - Page 24

• Manufacturer Part Number: MCP4725DM-PTPLS
• Description: BOARD DAUGHTER PICTAIL MCP4725
• Manufacturer: Microchip Technology

Specifications of MCP4725DM-PTPLS

• Number Of Dac's: 1
• Number Of Bits: 12
• Outputs And Type: 1, Single Ended
• Sampling Rate (per Second): 100k ~ 3.4M
• Data Interface: I²C
• Settling Time: 6µs
• Dac Type: Voltage
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 125°C
• Utilized Ic / Part: MCP4725
• Silicon Manufacturer: Microchip
• Application Sub Type: DAC
• Kit Application Type: Data Converter
• Silicon Core Number: MCP4725
• Silicon Family Name: PICtail
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP4725 PICtail™ Plus Daughter Board User’s Guide
DS51722A-page 20
1.4.2.1
1. Click on WriteBlockAddrA8 in “Example I2C Scripts” column.
Modifying the Script Details Parameters:
2. Under the Script Detail column, select the item in the parameter box.
3. Right click the mouse button and an option box appears to the right of your
4. Select the desired option.
5. Keep the parameters in the same order as shown below:
4. Change the parameter value.
Note:
This will fill in the spaces under Script Detail column.
selection. This gives you the options that are available for the parameter
selected.
I2CSTART
I2CWRTBYT
03
C0
0F
FF
I2CSTOP
Script Detail
CREATING SCRIPT FILES TO PROGRAM DAC REGISTER
All 7 parameters above must be listed in order. The parameters with * are
not modifyable. Address bits A2, A1, A0 = 1, 1, 0 if both JMP2 and JMP3
are tied to V
bytes. If you use the above write data, the MCP4725 device will output:
1.
2.
3.
Choose this box and right
click the mouse button for
options available.
You can also change the
values or delete the boxes.
Make sure the listed
parameters in the “Script
Detail” should be in the
exact order as shown here.
DD
V OUT
. You can choose any data you want for the 2nd and 3rd write
*
-----------> This means there are three bytes to send
-----------> 1st Write Byte: Address byte = 1100-0000
-----------> 2nd Write Byte: 0000-1111
-----------> 3rd Write Byte: 1111-1111
*
*
=
V
------------------------------------------------ -
DD
⋅
FFF(hex)(V)
4096
=
V
DD
© 2008 Microchip Technology Inc.
V ( )