MCP4024 MICROCHIP [Microchip Technology], MCP4024 Datasheet
MCP4024
Manufacturer Part Number
MCP4024
Description
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP4024.pdf
(64 pages)
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Features
• Non-volatile Digital Potentiometer in SOT-23,
• 64 Taps: 63 Resistors with Taps to terminal A and
• Simple Up/Down (U/D) Protocol
• Power-on Recall of Saved Wiper Setting
• Resistance Values: 2.1 kΩ, 5 kΩ, 10 kΩ or 50 kΩ
• Low Tempco:
• Low Wiper Resistance: 75Ω (typ.)
• WiperLock™ Technology to Secure the wiper
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Low-Power Operation: 1 µA Max Static Current
• Wide Operating Voltage: 2.7V to 5.5V
• Extended Temperature Range: -40°C to +125°C
• Wide Bandwidth (-3 dB) Operation:
Description
The MCP4021/2/3/4 devices are non-volatile, 6-bit
digital potentiometers that can be configured as either a
potentiometer or rheostat. The wiper setting is
controlled through a simple Up/Down (U/D) serial
interface.
These device’s implement Microchip’s WiperLock tech-
nology, which allows application-specific calibration
settings to be secured in the EEPROM without
requiring the use of an additional write-protect pin.
Device Features
.
© 2006 Microchip Technology Inc.
MCP4021 Potentiometer
MCP4022
MCP4023
MCP4024
Note 1:
SOIC, MSOP and DFN packages
terminal B
- Absolute (Rheostat): 50 ppm (0°C to 70°C typ.)
- Ratiometric (Potentiometer): 10 ppm (typ.)
setting in non-volatile memory (EEPROM)
- 4 MHz (typ.) for 2.1 kΩ device
Device
Low-Cost NV Digital POT with WiperLock™ Technology
Floating either terminal (A or B) allows the device to be used in Rheostat mode.
Configuration
Potentiometer
Rheostat
Rheostat
Wiper
(1)
Memory
Type
EE
EE
EE
EE
2.1, 5.0, 10.0, 50.0
2.1, 5.0, 10.0, 50.0
2.1, 5.0, 10.0, 50.0
2.1, 5.0, 10.0, 50.0
Options (kΩ)
Resistance (typical)
MCP4021/2/3/4
Wiper (Ω)
Package Types
Block Diagram
75
75
75
75
V
V
V
V
U/D
V
U/D
DD
SS
V
SOIC, MSOP, DFN
W
CS
A
DD
SS
DD
SS
Potentiometer
Potentiometer
1
2
3
4
1
2
3
MCP4021
MCP4023
SOT-23-6
Steps
A
# of
B
64
64
64
64
A
EEPROM and
WiperLock™
Brown-Out
Power-Up
W
Interface
Technology
Control
Control
2-Wire
Logic
and
B
and
W
2.7V - 5.5V
2.7V - 5.5V
2.7V - 5.5V
Operating
2.7V- 5.5V
Range
8
7
6
5
6 A
5 W
4
V
U/D
NC
B
CS
CS
DD
V
V
U/D
Interface
V
V
U/D
Control
DD
SS
DD
SS
U/D
U/D
U/D
U/D
1
2
3
1
2
3
MCP4024
SOT-23-5
MCP4022
SOT-23-6
Rheostat
Rheostat
B
DS21945E-page 1
A
W
WiperLock™
B
Technology
W
A
Yes
Yes
Yes
Yes
5 W
4
6 A
5 W
4
CS
CS
A
B
W
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