MCP4725EV Microchip Technology, MCP4725EV Datasheet - Page 26

• Manufacturer Part Number: MCP4725EV
• Description: BOARD EVAL FOR MCP4725
• Manufacturer: Microchip Technology

Specifications of MCP4725EV

• 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
• Processor To Be Evaluated: MCP4725
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP4725
6.2
If the R/W bit is set to a logic “high”, then the device
outputs on SDA pin, the DAC register and EEPROM
data.
register and EEPROM data. The 2nd byte in
3
operation. The RDY/BSY bit indicates EEPROM
writing status. The RDY/BSY bit stays low during
EEPROM writng and high when the writing is
completed.
FIGURE 6-3:
DS22039D-page 26
START Bit
indicates the current condition of the device
Device Code Address Bits
Note 1: Bytes 2 - 6 are repeated in repeat bytes after byte 6.
Figure 6-3
Read Command
1
READ COMMAND
1
2: X is don’t care bit.
0
1st byte
0 A2 A1 A0 1
shows an example of reading the
Read Command and Output Data Format.
R/W
RDY/
BSY
(1: Completed, 0: Incomplete)
EEPROM Write Status Indicate Bit
Current Settings
in DAC Register
See Note 2
POR
ACK (MCP4725)
2nd byte
Figure 6-
X X X PD1 PD0 X
X PD1 PD0 X D11 D10 D9 D8
D11 D10 D9 D8 D7 D6 D5 D4
5th byte
ACK (Master)
3rd byte
DAC register Data (12 bits)
EEPROM Data
D7 D6
© 2009 Microchip Technology Inc.
ACK (Master)
D5
D3 D2
D4
ACK (Master)
6th byte
D3 D2 D1 D0
D1
4th byte
D0
X X X X
STOP
Bit