MCP4141 MICROCHIP [Microchip Technology], MCP4141 Datasheet
MCP4141
Manufacturer Part Number
MCP4141
Description
7/8-Bit Single/Dual SPI Digital POT with Non-Volatile Memory
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP4141.pdf
(88 pages)
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MCP4141-103E/SN
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12 000
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Features
• Single or Dual Resistor Network options
• Potentiometer or Rheostat configuration options
• Resistor Network Resolution
• R
• Zero-Scale to Full-Scale Wiper operation
• Low Wiper Resistance: 75Ω (typical)
• Low Tempco:
• Non-volatile Memory
• SPI serial interface (10 MHz, modes 0,0 & 1,1)
• Resistor Network Terminal Disconnect Feature
• Write Protect Feature:
• Brown-out reset protection (1.5V typical)
• Serial Interface Inactive current (2.5 uA typical)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Supports Split Rail Applications
• Internal weak pull-up on all digital inputs
• Wide Operating Voltage:
• Wide Bandwidth (-3dB) Operation:
• Extended temperature range (-40°C to +125°C)
© 2008 Microchip Technology Inc.
- 7-bit: 128 Resistors (129 Steps)
- 8-bit: 256 Resistors (257 Steps)
- 5 kΩ
- 10 kΩ
- 50 kΩ
- 100 kΩ
- Absolute (Rheostat): 50 ppm typical
- Ratiometric (Potentiometer): 15 ppm typical
- Automatic Recall of Saved Wiper Setting
- WiperLock™ Technology
- High-Speed Read/Writes to wiper registers
- Read/Write to Data EEPROM registers
- Serially enabled EEPROM write protect
- SDI/SDO multiplexing (MCP41X1 only)
via:
- Shutdown pin (SHDN)
- Terminal Control (TCON) Register
- Hardware Write Protect (WP) Control pin
- Software Write Protect (WP) Configuration bit
- 2.7V to 5.5V - Device Characteristics
- 1.8V to 5.5V - Device Operation
- 2 MHz (typical) for 5.0 kΩ device
AB
(0°C to 70°C)
Specified
Resistances options of:
7/8-Bit Single/Dual SPI Digital POT with
MCP414X/416X/424X/426X
Non-Volatile Memory
Description
The MCP41XX and MCP42XX devices offer a wide
range of product offerings using an SPI interface.
WiperLock Technology allows application-specific
calibration settings to be secured in the EEPROM.
Package Types (top view)
SDI/SDO
P1W
SCK
P1B
P1A
V
SDI
SDI/SDO
CS
PDIP, SOIC, TSSOP
SS
* Includes Exposed Thermal Pad (EP); see
SCK
SCK
P1B
V
V
SDI
Single Potentiometer
SCK
CS
CS
PDIP, SOIC, MSOP
SS
SS
V
CS
1
2
3
4
5
6
7
SS
MSOP, DFN
MCP42X1 Dual Potentiometers
1
2
3
4
MCP41X1
3x3 DFN*
1
2
3
4
5
1
2
3
4
14
13
12
11
10
EP
9
9
8
MCP42X2 Dual Rheostat
10
8
7
6
5
V
SDO
SHDN
WP
P0B
P0W
P0A
9
8
7
6
DD
8
7
6
5 P0A
V
P0B
P0W
P0A
V
SDO
P0B
P0W
P1W
DD
V
P0B
P0W
DD
DD
SCK
V
V
SDI
SS
SS
SCK
P1B
V
SDI
CS
SS
SCK
1
2
3
4
V
SDI
CS
SCK
PDIP, SOIC, MSOP
SS
V
SDI
16
CS
5
1
2
3
4
5
Single Rheostat
SS
4x4 QFN*
3x3 DFN*
1
2
3
4
MCP41X2
15 14 13
3x3 DFN*
6
DS22059B-page 1
EP
17
1
2
3
4
EP
11
7
EP
9
Table
8
10
8
7
6
5
9
8
7 P0W
6
12
10
11
8
7
6
5 P0W
9
V
SDO
P0B
3-1.
P1W
V
SDO
P0B
P0W
DD
DD
V
SDO
P0B
WP
NC
P0B
P0W
DD
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