Microchip Technology

MCP4661T-104E/ST

Digital Potentiometers

MPN
MCP4661T-104E/ST
Package / Case
TSSOP-14

Technical Specifications

TypeDescription
Working Voltage V4.1 V
InterfaceI2C
Resistance value changeLinear
Memory TypeEEPROM
Number of Taps257
Temperature Coefficient(Typ)50ppm/°C
TypeDescription
Resistance Value (Ohms)100kOhm
Tolerance20 %
FeaturesNon-volatile storage;Slide lock;Power-on reset
Operating Temp-40°C ~ +125°C
Package / CaseTSSOP-14

Product Introduction

The MCP45XX and MCP46XX devices offer a wide range of product offerings using an I²C interface. This family of devices support 7-bit and 8-bit resistor networks, volatile memory configurations, and Potentiometer and Rheostat pinouts.

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)
  • RAB Resistances Options of: - 5 kΩ - 10 kΩ - 50 kΩ - 100 kΩ
  • Zero-Scale to Full-Scale Wiper Operation
  • Low Wiper Resistance: 75Ω (typical)
  • Low Tempco: - Absolute (Rheostat): 50 ppm typical (0°C to 70°C) - Ratiometric (Potentiometer): 15 ppm typical
  • I²C Serial Interface - 100 kHz, 400 kHz and 3.4 MHz Support
  • Serial Protocol Allows: - High-Speed Read/Write to Wiper - Increment/Decrement of Wiper
  • Resistor Network Terminal Disconnect Feature via the Terminal Control (TCON) Register
  • Brown-Out Reset Protection (1.5V typical)
  • Serial Interface Inactive Current (2.5 μA typical)
  • High-Voltage Tolerant Digital Inputs: up to 12.5V
  • Wide Operating Voltage: - 2.7V to 5.5V - Device Characteristics Specified - 1.8V to 5.5V - Device Operation
  • Wide Bandwidth (-3dB) Operation: - 2 MHz (typical) for 5.0 kΩ Device
  • Extended Temperature Range (-40°C to +125°C)

Datasheet

📄 Open Download

Alternative Parts

Common MCP4661T-104E/ST alternatives overseas buyers search for:

Compliance & Export Codes

TypeDetails
RoHSROHS3
ECCNEAR99
CNHTS8542399000
USHTS8542390001
TARIC8542399000
TypeDetails
CAHTS8542390000
BRHTS85423999
INHTS85423900
MXHTS8542.39.99

Sourcing Information

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