MCP4726A1T-E/MAY Microchip Technology, MCP4726A1T-E/MAY Datasheet - Page 38

• Manufacturer Part Number: MCP4726A1T-E/MAY
• Description: Single, 12-bit NV DAC With Ext Vref And I2C Interface 6 DFN 2x2x0.9mm T/R
• Manufacturer: Microchip Technology
• Series: -r

Specifications of MCP4726A1T-E/MAY

• Settling Time: 6µs
• Number Of Bits: 12
• 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

MCP4706/4716/4726
TABLE 4-1:
DS22272A-page 38
MCP4726
MCP4716
MCP4706
Note 1:
Device
(12-bit)
(10-bit)
(8-bit)
2:
3:
4:
V
Gain selection of 2x requires voltage reference source to come from V
requires V
Requires G = ‘1’, V
These theoretical calculations do not take into account the offset and gain errors.
1111 1111 1111
0111 1111 1111
0011 1111 1111
0000 0000 0000
RL
11 1111 1111
01 1111 1111
00 1111 1111
00 0000 0000
Register Value
Volatile DAC
1111 1111
0111 1111
0011 1111
0000 0000
is the resistor ladder’s reference voltage. It is independent of V
DAC INPUT CODE VS. ANALOG OUTPUT (V
REF
pin voltage ≤ V
REF1
V
5.0V
2.5V
5.0V
2.5V
5.0V
2.5V
5.0V
2.5V
5.0V
2.5V
5.0V
2.5V
5.0V
2.5V
5.0V
2.5V
5.0V
2.5V
5.0V
2.5V
5.0V
2.5V
5.0V
2.5V
RL
:V
(1)
REF0
DD
5.0V/4096
2.5V/4096
5.0V/4096
2.5V/4096
5.0V/4096
2.5V/4096
5.0V/4096
2.5V/4096
5.0V/1024
2.5V/1024
5.0V/1024
2.5V/1024
5.0V/1024
2.5V/1024
5.0V/1024
2.5V/1024
= ‘10’ or ‘11’, and V
Equation
5.0V/256
2.5V/256
5.0V/256
2.5V/256
5.0V/256
2.5V/256
5.0V/256
2.5V/256
/ 2.
LSb
19,531.3
19,531.3
19,531.3
19,531.3
1,220.7
1,220.7
1,220.7
1,220.7
4,882.8
2,441.4
4,882.8
2,441.4
4,882.8
2,441.4
4,882.8
2,441.4
9,765.6
9,765.6
9,765.6
9,765.6
610.4
610.4
610.4
610.4
uV
RL
Selection
≤ V
Gain
2x
2x
2x
2x
2x
2x
2x
2x
2x
2x
2x
2x
DD
(2)
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
OUT
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
/ 2.
) (V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
REF1
DD
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
RL
REF
* (4095/4096) * 1
* (4095/4096) * 1
* (4095/4096) * 2)
* (2047/4096) * 1)
* (2047/4096) * 1)
* (2047/4096) * 2)
* (1023/4096) * 1)
* (1023/4096) * 1)
* (1023/4096) * 2)
* (0/4096) * 1)
* (0/4096) * 1)
* (0/4096) * 2)
* (1023/1024) * 1
* (1023/1024) * 1
* (1023/1024) * 2
* (511/1024) * 1
* (511/1024) * 1
* (511/1024) * 2
* (255/1024) * 1
* (255/1024) * 1
* (255/1024) * 2
* (0/1024) * 1
* (0/1024) * 1
* (0/1024) * 1
* (255/256) * 1
* (255/256) * 1
* (255/256) * 2
* (127/256) * 1
* (127/256) * 1
* (127/256) * 2
* (63/256) * 1
* (63/256) * 1
* (63/256) * 2
* (0/256) * 1
* (0/256) * 1
* (0/256) * 2
= 5.0V)
:V
REF0
pin and
Equation
© 2011 Microchip Technology Inc.
selection.
V
OUT
(4)
4.998779
2.499390
4.998779
2.498779
1.249390
2.498779
1.248779
0.624390
1.248779
4.995117
2.497559
4.995117
2.495117
1.247559
2.495117
1.245117
0.622559
1.245117
4.980469
2.490234
4.980469
2.480469
1.240234
2.480469
1.230469
0.615234
1.230469
V
0
0
0
0
0
0
0
0
0