MCP4728-E/UN Microchip Technology, MCP4728-E/UN Datasheet - Page 25

• 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 4-3:
© 2010 Microchip Technology Inc.
DAC1, DAC0
(A2, A1, A0)
RDY/BSY
PD1, PD0
Bit Name
UDAC
V
G
REF
X
CONFIGURATION BITS
This is a status indicator (flag) of EEPROM programming activity:
1 = EEPROM is not in programming mode
0 = EEPROM is in programming mode
Note: RDY/BSY status can also be monitored at the RDY/BSY pin.
Device I
Voltage Reference Selection bit:
0 = V
1 = Internal voltage reference (2.048V)
Note: Internal voltage reference circuit is turned off if all channels select external reference
(V
DAC Channel Selection bits:
00 = Channel A
01 = Channel B
10 = Channel C
11 = Channel D
Power-Down selection bits:
00 = Normal Mode
01 = V
10 = V
off.
11 = V
off.
Note: See
Gain selection bit:
0 = x1 (gain of 1)
1 = x2 (gain of 2)
Note: Applicable only when internal V
regardless of the gain selection bit setting.
DAC latch bit. Upload the selected DAC input register to its output register (V
0 = Upload. Output (V
1 = Do not upload.
Note: UDAC bit affects the selected channel only.
REF
DD
= V
OUT
OUT
OUT
2
C address bits. See
DD)
Table 4-7
is loaded with 1 kΩ resistor to ground. Most of the channel circuits are powered off.
is loaded with 100 kΩ resistor to ground. Most of the channel circuits are powered
is loaded with 500 kΩ resistor to ground. Most of the channel circuits are powered
.
and
OUT
Figure 4-1
) is updated.
Section 5.3 “MCP4728 Device Addressing”
for more details.
REF
is selected. If V
Functions
REF
= V
DD
, the device uses a gain of 1
MCP4728
for more details.
OUT
DS22187E-page 25
):