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MCP4432

Status: In Production

Features:

  • Quad Resistor Network
  • Potentiometer or Rheostat configuration options
  • 7-bit – 128 Resistors (129 Taps)
  • 5kΩ
  • 10kΩ
  • 50kΩ
  • 100kΩ
  • Zero-scale to Full-scale Wiper Operation
  • Low Wiper Resistance – 75Ω typical
  • Absolute (Rheostat) – 50 ppm typical (0°-70°C)
  • Ratiometric (Potentiometer) – 15 ppm typical
  • 100 kHz
  • 400 kHz
  • 3.4 MHz
  • Serial Protocol Allows High-Speed Read/Write to Wiper
  • Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
  • Reset Input Pin
  • 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
  • 2.7V to 5.5V - Device Characteristics Specified
  • 1.8V to 5.5V - Device Operation
  • Wide Bandwidth (-3 dB) Operation – 2 MHz typical for 5.0Ω Device
  • Extended Temperature Range (-40°C to +125°C)
  • Package Types: 4x4 QFN-20, TSSOP-20
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Overview
Documents
Development Environment
RoHS Information
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Device Overview

Summary

The MCP443X devices are quad-channel, volatile, 7-bit (129 wiper steps) digital potentiometers with an I2C compatible interface. The MCP443X family is available with end-to-end resistor values of 5KΩ, 10KΩ, 50kΩ and 100KΩ. These devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count.

Additional Features
    • Quad Resistor Network
    • Potentiometer or Rheostat configuration options
    • Resistor Network Resolution:
      • 7-bit – 128 Resistors (129 Taps)
    • Four RAB Resistances options:
      • 5kΩ
      • 10kΩ
      • 50kΩ
      • 100kΩ
    • Zero-scale to Full-scale Wiper Operation
    • Low Wiper Resistance – 75Ω 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
    • Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
    • Reset Input Pin
    • 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
    • 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 5.0Ω Device
    • Extended Temperature Range (-40°C to +125°C)
    • Package Types: 4x4 QFN-20, TSSOP-20
Parametrics
Name
Value
Temp. Range (°C)
-40 to +125
Volatile / Non Volatile
Volatile
Number of Taps
129
Resistance (ohms) K
5, 10, 50, 100
# per Package
4
INL (Max)
1
DNL (Max)
0.5
Interface
I²C™

Documents

Jump to:

Data Sheet

11/18/2010
5954KB

Reference Manual

Design Guides


Development tools data is currently unavailable.

RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
MCP4432-103E/ST
0.060000
0.125000
14
TSSOP
4.4mm
Matte Tin
e3
MCP4432-104E/ST
0.060000
0.125000
14
TSSOP
4.4mm
Matte Tin
e3
MCP4432-502E/ST
0.060000
0.125000
14
TSSOP
4.4mm
Matte Tin
e3
MCP4432-503E/ST
0.060000
0.125000
14
TSSOP
4.4mm
Matte Tin
e3
MCP4432T-103E/ST
0.060000
0.246800
14
TSSOP
4.4mm
Matte Tin
e3
MCP4432T-104E/ST
0.060000
0.246800
14
TSSOP
4.4mm
Matte Tin
e3
MCP4432T-502E/ST
0.060000
0.246800
14
TSSOP
4.4mm
Matte Tin
e3
MCP4432T-503E/ST
0.060000
0.246800
14
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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