MCP4728-E/UN Microchip Technology, MCP4728-E/UN Datasheet - Page 27

• 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

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
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