MCP4706A3T-E/MAY Microchip Technology, MCP4706A3T-E/MAY Datasheet - Page 53
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MCP4706A3T-E/MAY
Manufacturer Part Number
MCP4706A3T-E/MAY
Description
Single, 8-bit NV DAC With Ext Vref And I2C Interface 6 DFN 2x2x0.9mm T/R
Manufacturer
Microchip Technology
Series
-r
Datasheet
1.MCP4706A0T-ECH.pdf
(86 pages)
Specifications of MCP4706A3T-E/MAY
Settling Time
6µs
Number Of Bits
8
Data Interface
EEPROM, I²C, Serial
Number Of Converters
1
Voltage Supply Source
Single Supply
Power Dissipation (max)
1.10W
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
6-VDFN Exposed Pad
Number Of Outputs And Type
*
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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6.4
This write command is used to update the volatile
configuration register bits only. This command is a
quick method to modify the configuration of the DAC,
such as the selection of the resistor ladder reference
voltage, the op amp gain, and the Power Down state.
Figure 6-4
FIGURE 6-4:
© 2011 Microchip Technology Inc.
Note 1:
SDA
SCL
3:
2:
Write Volatile Configuration bits
(C2:C0 = ‘100’)
S
Start bit
The device updates V
The 2nd byte can be repeated after the 2nd by continued clocking before issuing Stop bit.
ACK bit generated by MCP47X6.
shows an example of this write command.
1
Device Addressing
1
0
Write Volatile Configuration Bits Command.
0
A2 A1 A0
OUT
at the falling edge of the SCL at the end of this ACK pulse.
R/W
Read/Write bit (Write)
0
A
ACK bit
0
Command
bits
1
(3)
0
0
VREF1
Configuration bits
VREF0
PD1 PD0
MCP4706/4716/4726
ACK bit
G
(3)
A
0
P
Stop bit
Note 1
Note 2
DS22272A-page 53
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