MCP4728EV Microchip Technology, MCP4728EV Datasheet - Page 41

• 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

FIGURE 5-10:
© 2009 Microchip Technology Inc.
Command Type Bits:
Start
C2 C1 C0 W1 W0
0
S
Single Write
Command
1
1
0
1
Device Addressing
1
0
1 DAC1 DAC0 UDAC A V
Note 1:
1st byte
0
A2 A1 A0
2:
Single Write Command: Write to a Single DAC Input Register and EEPROM.
Channel
Select
2nd Byte
The MCP4728 device starts writing EEPROM at the falling edge of the 4th byte’s ACK
pulse.
V
If UDAC = 0 or LDAC Pin = 0: V
EEPROM Write:
C2=0
OUT
ACK (MCP4728)
Update:
R/W
0
C1=1
A
REF
C0=0
PD1 PD0 Gx D11 D10 D9 D8 A D7 D6 D5 D4 D3 D2 D1 D0 A
3rd Byte
W1=1
OUT
DAC Input Register of Selected Channel
is updated after the 4th byte’s ACK is issued.
W0=1
ACK (MCP4728)
Note 1 and Note 2
4th Byte
MCP4728
DS22187A-page 41
Stop
P