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MICROCHIP MCP4451-502E/ST product image
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MICROCHIP MCP4451-502E/ST

Manufacturer
MPN
MCP4451-502E/ST
LCSC Part #
C638705
Packaging
TSSOP-20
Customer #
Key Attributes
±20% I2C 5kΩ TSSOP-20 Digital Potentiometers RoHS
DatasheetMICROCHIP MCP4451-502E/ST
RoHS Compliance1 documents available
Alternative Parts3
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QtyUnit Price(Reference Only)Total Amount
1+$ 1.4772$ 1.48
200+$ 0.5727$ 114.54
500+$ 0.5526$ 276.30
1,000+$ 0.5418$ 541.80
Standard Packaging74/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Data Acquisition/Digital Potentiometers
ManufacturerMICROCHIP
PackagingTSSOP-20
Voltage - Supply2.7V~5.5V
Resistance value changeLinear
Number of Taps257
Tolerance±20%
InterfaceI2C
Temperature Coefficient(Typ)50ppm/℃
FeaturesPower-on reset
Operating Temperature-40℃~+125℃
Resistance Value (Ohms)5kΩ

Features

AI Translation
  • 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 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
  • Zero-scale to Full-scale Wiper Operation
  • Low Wiper Resistance - 75 Ω typical
  • Low Tempco: Absolute (Rheostat) - 50 ppm typical (-40°C to 70°C), Ratiometric (Potentiometer) - 15 ppm typical
  • I²C 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 μA 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 kΩ Device
  • Extended Temperature Range (-40°C to +125°C)
  • Three Package Types: 4x4 QFN-20, TSSOP-20, TSSOP-14

Alternative Parts

MPNManufacturerPackagingAvailabilityUnit Price
MCP4461-502E/STMICROCHIPTSSOP-2017$ 5.1826
MCP4451T-502E/STMICROCHIPTSSOP-200$ 1.4463
MCP4461T-502E/STMICROCHIPTSSOP-200$ 2.0266