Digital Potentiometer Design Guide 5
Digital Potentiometer Solutions
Package Area (mm
2
) Comment
MSOP ~14.7
DFN (3x3) ~9 39% Smaller than MSOP
SOT-23 ~8.3 44% Smaller than MSOP
DFN (2x3) ~6 59% Smaller than MSOP
33% Smaller than DFN 3x3
SC70 ~4.2 71% Smaller than MSOP
55% Smaller than DFN 3x3
30% Smaller than DFN 2x3
SOT-2 3
3 mm
2.95 mm
DFN
3 mm
3 mm
DFN
3 mm
2 mm
SC70
2.1 mm
2 mm
MSOP
4.9 mm
3 mm
Small Footprint Applications
Some applications have package size limitations and require
devices with the smallest footprint possible. Microchip offers
several devices in small footprint packages. These packages
include 8-pin DFN (3x3 mm and 2x3 mm), 5 and 6-pin SOT-23
and 5 and 6-pin SC70 packages.
Small Footprint Devices
Devices with Small Footprints
Device
Serial
Interface
Volatile (Vol)
Non-Volatile (NV)
# RS Resistors
Rs Ω (typ.)
Zero-Scale/
Full-Scale
(3)
# of Channels
WiperLock™
Technology
HV Commands
Shutdown
Mode
Configuration
Voltage
Range
# of Pins
Packages
I
DD max (μA)
(5)
MCP4011
(1)
U/D Vol 63 33.3/79.4/158.7/793.7 Y/Y 1 N Y(9) N Pot 1.8V to 5.5V
(6)
8 DFN 2x3 1
MCP4012
(1)
U/D Vol 63 33.3/79.4/158.7/793.7 Y/Y 1 N Y
(9)
N Rheo 1.8V to 5.5V
(6)
6 SOT 1
MCP4013
(1)
U/D Vol 63 33.3/79.4/158.7/793.7 Y/Y 1 N Y
(9)
N Pot
(7)
1.8V to 5.5V
(6)
6 SOT 1
MCP4014
(1)
U/D Vol 63 33.3/79.4/158.7/793.7 Y/Y 1 N Y
(9)
N Rheo
(7)
1.8V to 5.5V
(6)
5 SOT 1
MCP4021
(1)
U/D NV 63 33.3/79.4/158.7/793.7 Y/Y 1 Y Y N Pot 2.7V to 5.5V 8 DFN 2x3 1
MCP4022
(1)
U/D NV 63 33.3/79.4/158.7/793.7 Y/Y 1 Y Y N Rheo 2.7V to 5.5V 6 SOT 1
MCP4023
(1)
U/D NV 63 33.3/79.4/158.7/793.7 Y/Y 1 Y Y N Pot(7) 2.7V to 5.5V 6 SOT 1
MCP4024
(1)
U/D NV 63 33.3/79.4/158.7/793.7 Y/Y 1 Y Y N Rheo(7) 2.7V to 5.5V 5 SOT 1
MCP4017
(2)
I
2
C Vol 127 39.4/78.7/393.7/787.4 Y/Y 1 N N N Rheo 1.8V to 5.5V
(6)
6 SC70 5
MCP4018
(2)
I
2
C Vol 127 39.4/78.7/393.7/787.4 Y/Y 1 N N N Pot
(7)
1.8V to 5.5V
(6)
6 SC70 5
MCP4019
(2)
I
2
C Vol 127 39.4/78.7/393.7/787.4 Y/Y 1 N N N Rheo
(7)
1.8V to 5.5V
(6)
5 SC70 5
MCP40D17
(2)
I
2
C Vol 127 39.4/78.7/393.7/787.4 Y/Y 1 N N N Rheo 1.8V to 5.5V
(6)
6 SC70 5
MCP40D18
(2)
I
2
C Vol 127 39.4/78.7/393.7/787.4 Y/Y 1 N N N Pot
(7)
1.8V to 5.5V
(6)
6 SC70 5
MCP40D19
(2)
I
2
C Vol 127 39.4/78.7/393.7/787.4 Y/Y 1 N N N Rheo
(7)
1.8V to 5.5V
(6)
5 SC70 5
MCP4131
(2)
SPI Vol 128 39.1/78.1/390.6/781.3 Y/Y 1 N Y
(9)
Y
(8)
Pot 1.8V to 5.5V
(6)
8 DFN 3x3 5
MCP4132
(2)
SPI Vol 128 39.1/78.1/390.6/781.3 Y/Y 1 N Y
(9)
Y
(8)
Rheo 1.8V to 5.5V
(6)
8 DFN 3x3 5
MCP4141
(2)
SPI NV 128 39.1/78.1/390.6/781.3 Y/Y 1 Y Y Y
(8)
Pot 2.7V to 5.5V 8 DFN 3x3 5
MCP4142
(2)
SPI NV 128 39.1/78.1/390.6/781.3 Y/Y 1 Y Y Y
(8)
Rheo 2.7V to 5.5V 8 DFN 3x3 5
MCP4151
(2)
SPI Vol 256 19.5/39.1/195.3/390.6 Y/Y 1 N Y
(9)
Y
(8)
Pot 1.8V to 5.5V
(6)
8 DFN 3x3 5
MCP4152
(2)
SPI Vol 256 19.5/39.1/195.3/390.6 Y/Y 1 N Y
(9)
Y
(8)
Rheo 1.8V to 5.5V
(6)
8 DFN 3x3 5
MCP4161
(2)
SPI NV 256 19.5/39.1/195.3/390.6 Y/Y 1 Y Y Y
(8)
Pot 2.7V to 5.5V 8 DFN 3x3 5
MCP4162
(2)
SPI NV 256 19.5/39.1/195.3/390.6 Y/Y 1 Y Y Y
(8)
Rheo 2.7V to 5.5V 8 DFN 3x3 5
MCP4531
(2)
I
2
C Vol 128 39.1/78.1/390.6/781.3 Y/Y 1 N Y
(9)
Y
(8)
Pot 1.8V to 5.5V
(6)
8 DFN 3x3 5
MCP4532
(2)
I
2
C Vol 128 39.1/78.1/390.6/781.3 Y/Y 1 N Y
(9)
Y
(8)
Rheo 1.8V to 5.5V
(6)
8 DFN 3x3 5
MCP4541
(2)
I
2
C NV 128 39.1/78.1/390.6/781.3 Y/Y 1 Y Y Y
(8)
Pot 2.7V to 5.5V 8 DFN 3x3 5
MCP4542
(2)
I
2
C NV 128 39.1/78.1/390.6/781.3 Y/Y 1 Y Y Y
(8)
Rheo 2.7V to 5.5V 8 DFN 3x3 5
MCP4551
(2)
I
2
C Vol 256 19.5/39.1/195.3/390.6 Y/Y 1 N Y
(9)
Y
(8)
Pot 1.8V to 5.5V
(6)
8 DFN 3x3 5
MCP4552
(2)
I
2
C Vol 256 19.5/39.1/195.3/390.6 Y/Y 1 N Y
(9)
Y
(8)
Rheo 1.8V to 5.5V
(6)
8 DFN 3x3 5
MCP4561
(2)
I
2
C NV 256 19.5/39.1/195.3/390.6 Y/Y 1 Y Y Y
(8)
Pot 2.7V to 5.5V 8 DFN 3x3 5
MCP4562
(2)
I
2
C NV 256 19.5/39.1/195.3/390.6 Y/Y 1 Y Y Y
(8)
Rheo 2.7V to 5.5V 8 DFN 3x3 5
1. Resistor options are: -202 (2.1 kΩ), -502 (5.0 kΩ), -103 (10.0 kΩ), and -503 (50.0 kΩ).
2. Resistor options are: -502 (5.0 kΩ), -103 (10.0 kΩ), 503 (50.0 kΩ), and -104 (100.0 kΩ).
3. Zero-scale allows the wiper to “directly” connect to Terminal B, while full-scale allows the wiper to “directly” connect to Terminal A.
4. There is one R
S resistor between the maximum wiper value and Terminal A.
5. This current is with the serial interface inactive, and not during an EEPROM write cycle (for non-volatile devices).
6. The serial interface has been tested to 1.8V, the device’s analog characteristics (resistor) have been tested from 2.7V to 5.5V. Review the device’s characterization graphs for information on analog performance between
1.8Vand 2.7V.
7. One of the terminal pins (A or B) is internally connected to ground, due to the limitation of the number of pins on the package.
8. Shutdown support via software (TCON register(s)). If device has SHDN pin, software shutdown also fuctions.
9. High voltage command support is for compatibility with the corresponding non-volatile version of the device.