MCP4728-E/UN Microchip Technology, MCP4728-E/UN Datasheet - Page 45

• Manufacturer Part Number: MCP4728-E/UN
• Description: IC DAC 12BIT W/I2C 10-MSOP
• Manufacturer: Microchip Technology

Specifications of MCP4728-E/UN

• Number Of Converters: 4
• Settling Time: 6µs
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Number Of Bits: 12
• Data Interface: I²C
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Number Of Dac Outputs: 4
• Resolution: 12 bit
• Interface Type: I2C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Supply Current: 110 mA
• Voltage Reference: 2.048 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MCP4728EV - BOARD EVAL 12BIT 4CH DAC MCP4728
• Power Dissipation (max): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 5-15:
© 2010 Microchip Technology Inc.
Start
S
Note 1: The 2nd - 4th bytes are the contents of the DAC Input Register and the 5th - 7th bytes are the EEPROM contents.
RDY/
RDY/
RDY/
RDY/
RDY/
RDY/
RDY/
RDY/
BSY
BSY
BSY
BSY
BSY
BSY
BSY
BSY
1
Device Code
1
POR DAC1 DAC 0 0
POR DAC1 DAC 0 0
POR DAC1 DAC 0 0
POR DAC1 DAC 0 0
POR DAC1 DAC 0 0
POR DAC1 DAC 0 0
POR DAC1 DAC 0 0
POR DAC1 DAC 0 0
The device outputs sequentially from channel A to D.
POR Bit: 1 = Set (Device is powered on with V
Read Command
0
0
Address Bits
Read Command and Device Outputs.
A2 A1 A0
2nd Byte
2nd Byte
2nd Byte
2nd Byte
5th Byte
5th Byte
5th Byte
5th Byte
A2 A1 A0 A
A2 A1 A0 A
A2 A1 A0 A
A2 A1 A0 A
A2 A1 A0 A
A2 A1 A0 A
A2 A1 A0 A
A2 A1 A0 A
R/W
1
A
Channel C DAC Input Register
Channel D DAC Input Register
Channel A DAC Input Register
Channel B DAC Input Register
ACK (MCP4728)
Channel A DAC EEPROM
Channel B DAC EEPROM
Channel C DAC EEPROM
Channel D DAC EEPROM
V
V
V
V
V
V
V
V
REF
REF
REF
REF
REF
REF
REF
REF
PD1 PD0 G
PD1 PD0 G
PD1 PD0 G
PD1 PD0 G
PD1 PD0 G
PD1 PD0 G
PD1 PD0 G
PD1 PD0 G
DD
> V
3rd Byte
POR
X
X
X
X
X
X
X
X
6th Byte
3rd Byte
6th Byte
3rd Byte
6th Byte
3rd Byte
6th Byte
), 0 = Powered off state.
D11 D10 D9 D8 A D7 D6 D5 D4 D3 D2 D1 D0 A P
D11 D10 D9 D8 A D7 D6 D5 D4 D3 D2 D1 D0 A P
D11 D10 D9 D8 A D7 D6 D5 D4 D3 D2 D1 D0 A P
D11 D10 D9 D8 A D7 D6 D5 D4 D3 D2 D1 D0 A P
D11 D10 D9 D8 A D7 D6 D5 D4 D3 D2 D1 D0 A P
D11 D10 D9 D8 A D7 D6 D5 D4 D3 D2 D1 D0 A P
D11 D10 D9 D8 A D7 D6 D5 D4 D3 D2 D1 D0 A P
D11 D10 D9 D8 A D7 D6 D5 D4 D3 D2 D1 D0 A P
ACK (MASTER)
MCP4728
4th Byte
7th Byte
4th Byte
7th Byte
4th Byte
7th Byte
4th Byte
7th Byte
Repeat
DS22187E-page 45
Stop
Stop
Stop
Stop
Stop
Stop
Stop
Stop