MCP4725A2T-E/CH Microchip Technology, MCP4725A2T-E/CH Datasheet - Page 26

• Manufacturer Part Number: MCP4725A2T-E/CH
• Description: DAC 1-CH Resistor-String 12-Bit 6-Pin SOT-23 T/R
• Manufacturer: Microchip Technology

Specifications of MCP4725A2T-E/CH

• Package: 6SOT-23
• Resolution: 12 Bit
• Architecture: Resistor-String
• Digital Interface Type: Serial (2-Wire, I2C)
• Number Of Outputs Per Chip: 1
• Output Type: Voltage
• Full Scale Error: ±2 %FSR
• Integral Nonlinearity Error: ±14.5 LSB
• Maximum Settling Time: 6(Typ) us
• Settling Time: 6µs
• Number Of Bits: 12
• Data Interface: I²C, Serial
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MCP4725DM-PTPLS - BOARD DAUGHTER PICTAIL MCP4725
• Power Dissipation (max): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MCP4725A2T-E/CH; MCP4725A2T-E/CHTR

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