MCP4706A2T-E/CH Microchip Technology, MCP4706A2T-E/CH Datasheet - Page 38
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MCP4706A2T-E/CH
Manufacturer Part Number
MCP4706A2T-E/CH
Description
Single, 8-bit NV DAC With Ext Vref And I2C Interface 6 SOT-23 T/R
Manufacturer
Microchip Technology
Series
-r
Datasheet
1.MCP4706A0T-ECH.pdf
(86 pages)
Specifications of MCP4706A2T-E/CH
Number Of Converters
1
Conversion Rate
1
Resolution
8 bit
Interface Type
I2C
Settling Time
6 us
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
SOT-23-6
Maximum Power Dissipation
452 mW
Minimum Operating Temperature
- 40 C
Supply Current
210 uA
Number Of Bits
8
Data Interface
EEPROM, I²C, Serial
Voltage Supply Source
Single Supply
Power Dissipation (max)
452mW
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Number Of Outputs And Type
*
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP4706A2T-E/CH
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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