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MCP4231T-104E/ST

Description
Digital Potentiometer IC Dual 7B V SPI POT
CategoryAnalog mixed-signal IC    converter   
File Size3MB,83 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance
Download Datasheet Download user manual Parametric View All

MCP4231T-104E/ST Overview

Digital Potentiometer IC Dual 7B V SPI POT

MCP4231T-104E/ST Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Parts packaging codeTSSOP
package instructionTSSOP, TSSOP14,.25
Contacts14
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time14 weeks
Nominal bandwidth0.1 kHz
control interfaceINCREMENT/DECREMENT
Converter typeDIGITAL POTENTIOMETER
JESD-30 codeR-PDSO-G14
JESD-609 codee3
length5 mm
Humidity sensitivity level1
Number of functions1
Number of positions257
Number of terminals14
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP14,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply1.8/5 V
Certification statusNot Qualified
resistance lawLINEAR
Maximum resistor tolerance20%
Maximum resistor terminal voltage5 V
Minimum resistor terminal voltage
Maximum seat height1.2 mm
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Nominal temperature coefficient150 ppm/°C
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
Nominal total resistance100000 Ω
width4.4 mm
Base Number Matches1
MCP413X/415X/423X/425X
7/8-Bit Single/Dual SPI Digital POT with Volatile Memory
Features
• Single or Dual Resistor Network options
• Potentiometer or Rheostat configuration options
• Resistor Network Resolution
- 7-bit: 128 Resistors (129 Steps)
- 8-bit: 256 Resistors (257 Steps)
• R
AB
Resistances options of:
- 5 kΩ
- 10 kΩ
- 50 kΩ
- 100 kΩ
• Zero Scale to Full Scale Wiper operation
• Low Wiper Resistance: 75Ω (typ.)
• Low Tempco:
- Absolute (Rheostat): 50 ppm typical
(0°C to 70°C)
- Ratiometric (Potentiometer): 15 ppm typical
• SPI Serial Interface (10 MHz, modes 0,0 & 1,1)
- High-Speed Read/Writes to wiper registers
- SDI/SDO multiplexing (MCP41X1 only)
• Resistor Network Terminal Disconnect Feature
via:
- Shutdown pin (SHDN)
- Terminal Control (TCON) Register
• Brown-out reset protection (1.5V typical)
• Serial Interface Inactive current (2.5 uA typ.)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Supports Split Rail Applications
• Internal weak pull-up on all digital inputs
• Wide Operating Voltage:
- 2.7V to 5.5V - Device Characteristics
Specified
- 1.8V to 5.5V - Device Operation
• Wide Bandwidth (-3 dB) Operation:
- 2 MHz (typ.) for 5.0 kΩ device
• Extended temperature range (-40°C to +125°C)
Description
The MCP41XX and MCP42XX devices offer a wide
range of product offerings using an SPI interface. This
family of devices support 7-bit and 8-bit resistor
networks, and Potentiometer and Rheostat pinouts.
Package Types
MCP41X1
Single Potentiometer
CS
SCK
SDI/SDO
V
SS
1
2
3
4
8
7
6
5
V
DD
P0B
P0W
P0A
MCP41X2
Single Rheostat
CS
1
8
V
DD
SCK
2
7
SDO
SDI
3
6
P0B
5
P0W
V
SS
4
PDIP, SOIC, MSOP,
3x3 DFN
14
13
12
11
10
9
8
SHDN
NC
NC
P0B
P0W
11
10
9
8
P0A
V
DD
SDO
SHDN
NC
P0B
P0W
P0A
PDIP, SOIC, MSOP,
3x3 DFN
CS
SCK
SDI
V
SS
P1B
P1W
P1A
MCP42X1
Dual Potentiometers
1
2
3
4
5
6
7
PDIP, SOIC, TSSOP
SDO
7
P1A
CS
SCK
SDI
V
SS
V
SS
1
2
3
4
5
6
P1W
P1B
V
DD
16 15 14 13
12
4x4 QFN
MCP42X2
Dual Rheostat
CS
SCK
SDI
V
SS
P1B
1
2
3
4
5
10
9
8
7
6
V
DD
SDO
P0B
P0W
P1W
MSOP, DFN
©
2007 Microchip Technology Inc.
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