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MCP4451

Status: In Production

Features:

  • Quad Resistor Network
  • Potentiometer or Rheostat configuration options
  • 7-bit – 128 Resistors (129 Taps)
  • 8-bit: 256 Resistors (257 Taps)
  • 5 kohm
  • 10 kohm
  • 50 kohm
  • 100 kohm
  • Zero-scale to Full-scale Wiper Operation
  • Low Wiper Resistance – 75 ohm typical
  • Absolute (Rheostat) – 50 ppm typical (0°-70°C)
  • Ratiometric (Potentiometer) – 15 ppm typical
  • 100 kHz
  • 400 kHz
  • 3.4 MHz
  • High-Speed Read/Write to wiper
  • Read/Write to EEPROM
  • Write Protect to be enabled/disable
  • WiperLock to be enabled/disabled
  • Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
  • Reset Input Pin
  • Hardware Write Protect (WP) Control pin
  • Software Write Protect (WP) Configuration bit
  • 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, except SCL and SDA
  • 2.7V to 5.5V - Device Characteristics Specified
  • 1.8V to 5.5V - Device Operation
  • Wide Bandwidth (-3 dB) Operation – 2 MHz typical for 5.0 kohm Device
  • Extended Temperature Range (-40°C to +125°C)
  • Package Types: 4x4 QFN-20 and TSSOP-20
  • AEC-Q100 Grade 1 quarlified
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Overview
Documents
Development Environment
RoHS Information
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Device Overview

Summary

The MCP4451 devices are volatile, 8-bit (257 wiper steps) digital potentiometers that are programmed/reprogrammed through an I2C™Compatible compatible interface. The MCP4451 family of devices are available with resistor values of 5KΩ, 10KΩ, 50KΩ and 100KΩ.

Additional Features
    • Quad Resistor Network
    • Potentiometer or Rheostat configuration options
    • Resistor Network Resolution:
      • 7-bit – 128 Resistors (129 Taps)
      • 8-bit: 256 Resistors (257 Taps)
    • Four RAB Resistances options:
      • 5 kohm
      • 10 kohm
      • 50 kohm
      • 100 kohm
    • Zero-scale to Full-scale Wiper Operation
    • Low Wiper Resistance – 75 ohm typical
    • Low Tempco:
      • Absolute (Rheostat) – 50 ppm typical (0°-70°C)
      • Ratiometric (Potentiometer) – 15 ppm typical
    • I2C™Compatible Serial Interface Support:
      • 100 kHz
      • 400 kHz
      • 3.4 MHz
    • Serial Protocol Allows :
      • High-Speed Read/Write to wiper
      • Read/Write to EEPROM
      • Write Protect to be enabled/disable
      • WiperLock to be enabled/disabled
      • Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
      • Reset Input Pin
      • Write Protect Feature:
        • Hardware Write Protect (WP) Control pin
        • Software Write Protect (WP) Configuration bit
      • 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, except SCL and SDA
      • 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 typical for 5.0 kohm Device
      • Extended Temperature Range (-40°C to +125°C)
      • Package Types: 4x4 QFN-20 and TSSOP-20
      • AEC-Q100 Grade 1 quarlified
Parametrics
Name
Value
Temp. Range (°C)
-40 to +125
Volatile / Non Volatile
Volatile
Number of Taps
257
Resistance (ohms) K
5, 10, 50, 100
# per Package
4
INL (Max)
1
DNL (Max)
0.5
Interface
I²C™

Documents

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Data Sheet

11/18/2010
5954KB

Design Guides

Product Line Card


Development tools data is currently unavailable.

RoHS Information

Part Number
Device Weight (g)
Shipping Weight (Kg)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
MCP4451-103E/ML
0.043100
0.076923
20
QFN
4x4x0.9mm
Matte Tin
e3
MCP4451-104E/ML
0.043100
0.076923
20
QFN
4x4x0.9mm
Matte Tin
e3
MCP4451-502E/ML
0.043100
0.076923
20
QFN
4x4x0.9mm
Matte Tin
e3
MCP4451-503E/ML
0.043100
0.076923
20
QFN
4x4x0.9mm
Matte Tin
e3
MCP4451T-103E/ML
0.043100
0.212121
20
QFN
4x4x0.9mm
Matte Tin
e3
MCP4451T-104E/ML
0.043100
0.212121
20
QFN
4x4x0.9mm
Matte Tin
e3
MCP4451T-502E/ML
0.043100
0.212121
20
QFN
4x4x0.9mm
Matte Tin
e3
MCP4451T-503E/ML
0.043100
0.212121
20
QFN
4x4x0.9mm
Matte Tin
e3
MCP4451-103E/ST
0.078000
0.175676
20
TSSOP
4.4mm
Matte Tin
e3
MCP4451-104E/ST
0.078000
0.175676
20
TSSOP
4.4mm
Matte Tin
e3
MCP4451-502E/ST
0.078000
0.175676
20
TSSOP
4.4mm
Matte Tin
e3
MCP4451-503E/ST
0.078000
0.175676
20
TSSOP
4.4mm
Matte Tin
e3
MCP4451T-103E/ST
0.078000
0.200000
20
TSSOP
4.4mm
Matte Tin
e3
MCP4451T-104E/ST
0.078000
0.200000
20
TSSOP
4.4mm
Matte Tin
e3
MCP4451T-502E/ST
0.078000
0.200000
20
TSSOP
4.4mm
Matte Tin
e3
MCP4451T-503E/ST
0.078000
0.200000
20
TSSOP
4.4mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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