MCP4728EV Microchip Technology, MCP4728EV Datasheet - Page 24

• 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

MCP4728
4.4
Each channel has its own volatile DAC input register
and EEPROM. The details of the input registers and
EEPROM are shown in
respectively.
Note 1:
TABLE 4-2:
Note 1:
DS22187A-page 24
Bit Name
Function
Function
Name
CH. A
CH. B
CH. C
CH. D
CH. A
CH. B
CH. C
CH. D
Bit
Bit
Bit
2:
2:
3:
DAC Input Registers and
Non-Volatile EEPROM Memory
EEPROM write status indication bit (flag).
Loaded from EEPROM during power-up, or can be updated by the user.
Device I
factory default setting is “000”. These bits can be reprogrammed by the user using the I
command.
Voltage Reference Select: 0 = External V
Gain Select: 0 = Gain of 1, 1 = Gain of 2.
(Note 1)
/BSY
RDY
A2
I
2
0
C Address Bits
FACTORY DEFAULT
SETTINGS
(Note 1)
EEPROM MEMORY MAP AND
2
C address bits. The user can also specify these bits during the device ordering process. The
Address Bits
A1
A2 A1 A0
0
(Note 2)
I
2
C
A0
0
Table 4-1
(Note 2)
Configuration Bits
(Note 2)
Select
V
Ref.
Select
V
REF
Ref.
Configuration Bits
1
1
1
1
REF
DAC1 DAC0 PD1
DAC Channel
and
PD1
Power-Down
(Note 2)
0
0
0
0
Select
Table
PD0
0
0
0
0
Power-Down
4-2,
(Note 2)
REF
Select
(Note 3)
Select
Gain
PD0
G
(V
0
0
0
0
X
DD
(Note 2)
), 1 = Internal V
Select
Gain
G
TABLE 4-1:
D11
X
0
0
0
0
D11 D10 D9 D8 D7 D6 D5
D10
0
0
0
0
D9
0
0
0
0
REF
D8
DAC Input Data (12 bits)
0
0
0
0
(2.048V).
(VOLATILE)
INPUT REGISTER MAP
DAC Input Data (12 bits)
D7
0
0
0
0
© 2009 Microchip Technology Inc.
D6
0
0
0
0
(Note 2)
D5
0
0
0
0
D4
0
0
0
0
2
D4
C Address Write
D3
0
0
0
0
D3 D2 D1 D0
D2
0
0
0
0
D1
0
0
0
0
D0
0
0
0
0