MCP4011 Datasheet, PDF (1/60 Pages) Microchip Technology – Low-Cost 64-Step Volatile Digital POT

MCP4011/2/3/4
Low-Cost 64-Step Volatile Digital POT
Features
• Volatile Digital Potentiometer in SOT-23, SOIC,
MSOP and DFN packages
• 64 Taps: 63 Resistors with Taps to terminal A and
terminal B
• Simple Up/Down (U/D) Protocol
• Power-on Recall of Default Wiper Setting
- Custom POR wiper settings available
(contact factory)
• Resistance Values: 2.1 kΩ, 5 kΩ, 10 kΩ or 50 kΩ
• Low Tempco:
- Absolute (Rheostat): 50 ppm (0°C to 70°C typ.)
- Ratiometric (Potentiometer): 10 ppm (typ.)
• Low Wiper Resistance: 75Ω (typ.)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Low-Power Operation: 1 µA Max Static Current
• Wide Operating Voltage Range:
- 1.8V to 5.5V - Device Operation
- 2.7V to 5.5V - Resistor Characteristics
Specified
• Extended Temperature Range: -40°C to +125°C
• Wide Bandwidth (-3 dB) Operation:
- 4 MHz (typ.) for 2.1 kΩ device
Package Types
MCP4011
SOIC, MSOP, DFN
Potentiometer
V_DD 1
V_SS 2
A
A3
W4
8 U/D
7 NC
B _6B
W _{5 CS}
MCP4013
SOT-23-6
Potentiometer
V_{DD 1}
A
V_{SS 2}
B
U/D ₃
6A
5W
W
4 ^CS
MCP4012
SOT-23-6
Rheostat
V_{DD 1}
V_{SS 2}
U/D ₃
A
6A
W
5W
B
4 ^CS
MCP4014
SOT-23-5
Rheostat
V_{DD 1}
W
V_{SS 2}
B
U/D ₃
5W
A
4 ^CS
Block Diagram
A
V_DD
V_SS
Power-Up
and
Brown-Out
Control
Description
CS
2-Wire
Interface
W
The MCP4011/2/3/4 devices are volatile, 6-bit Digital
Potentiometers that can be configured as either a
potentiometer or rheostat. The wiper setting is
U/D
and
Control
Logic
controlled through a simple Up/Down (U/D) serial
interface.
B
Device Features
Device
Wiper
Memory POR Wiper
Configuration Type Setting
Resistance (typical)
Options (kΩ)
# of
Wiper _Steps
(Ω)
V_DD
Operating
Range ⁽²⁾
MCP4011 Potentiometer ⁽¹⁾ RAM Mid-Scale 2.1, 5.0, 10.0, 50.0 75 64 1.8V to 5.5V U/D No
MCP4012 Rheostat
RAM Mid-Scale 2.1, 5.0, 10.0, 50.0 75 64 1.8V to 5.5V U/D No
MCP4013 Potentiometer RAM Mid-Scale 2.1, 5.0, 10.0, 50.0 75 64 1.8V to 5.5V U/D No
MCP4014 Rheostat
RAM Mid-Scale 2.1, 5.0, 10.0, 50.0 75 64 1.8V to 5.5V U/D No
Note 1: Floating either terminal (A or B) allows the device to be used in Rheostat mode.
2: Analog characteristics (resistor) tested from 2.7V to 5.5V.
.
© 2006 Microchip Technology Inc.
DS21978C-page 1