MCP4728EV Microchip Technology, MCP4728EV Datasheet - Page 27

• 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

TABLE 4-5:
TABLE 4-6:
© 2010 Microchip Technology Inc.
Note 1:
LDAC Pin UDAC Bit
DAC Input Code
111111111111
111111111110
000000000010
000000000001
000000000000
0
0
1
1
(a) LSB with gain of 1 = 0.5 mV, and (b) LSB with gain of 2 = 1 mV.
0
1
0
1
LDAC AND UDAC
CONDITIONS VS. OUTPUT
UPDATE
DAC INPUT CODE VS. ANALOG OUTPUT (V
Selection
Update all DAC channel
outputs
Update all DAC channel
outputs
Update a selected DAC
channel output
No update
Gain
x1
x2
x1
x2
x1
x2
x1
x2
x1
x2
DAC Output (V
V
REF
= Internal (2.048 V)
Nominal Output Voltage (V)
OUT
2*V
2*V
V
V
(See
REF
REF
)
REF
REF
2 LSB
2 LSB
1 LSB
1 LSB
Note
- 1 LSB
- 2 LSB
0
0
- 1 LSB
- 2 LSB
1)
4.9
Table 4-6
code vs. analog output. The MSB of the input data is
always transmitted first and the format is unipolar
binary.
OUT
Selection
Ignored
DAC Input Code Vs. DAC Analog
Output
shows an example of the DAC input data
)
Gain
Nominal Output Voltage (V)
V
REF
= V
MCP4728
V
V
DD
DD
DD
2 LSB
1 LSB
- 1 LSB
- 2 LSB
DS22187E-page 27
0