MCP4728EV Microchip Technology, MCP4728EV Datasheet - Page 36

• 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 1-22:
immediately with the ACK pulse. This command does not require UDAC bit or LDAC pin change.
DS51837A-page 32
1.3.2.16
This command writes power-down bits to the DAC input registers.
Figure 1-22 shows an example of writing a new script file for Power-Down mode.
.
Writing Script file to write the power-down bits. The channel outputs are updated
• Parameters in the Script Detail column:
Note:
I2CWRTBYT
I2CSTART
Script Detail
I2CSTOP
1.
2.
3.
03
C0
AF
FF
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
EXAMPLE 9: WRITE POWER-DOWN SELECTION BITS IN DAC INPUT
REGISTER
All parameters above must be listed in order. The parameter above with *
are not modifiable. The MCP4728 device on the evaluation board has I
address bits (A2, A1, A0) = (0,0,0).
type a new value
right click the mouse
button for options
available
-------> This means there are three bytes to send.
-------> Address byte = 1100-0000 (See Note).
-------> Power-Down bits for Channels C and D.
-------> Command Type and Power-Down bits for Chs. A and B.
*
*
*
© 2009 Microchip Technology Inc.
2
C