MCP4531T-104E/MS

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MCP4531T-104E/MS

IC DGTL POT 100KOHM 129TAP 8MSOP

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規格

Supplier Microchip Technology
Package Tape & Reel (TR)
ProductStatus Active
Taper Linear
Configuration Potentiometer
NumberofCircuits 1
NumberofTaps 129
Resistance(Ohms) 100k
Interface I²C
MemoryType Volatile
Voltage-Supply 1.8V ~ 5.5V
Features Selectable Address
Tolerance ±20%
TemperatureCoefficient(Typ) 150ppm/°C
MountingType Surface Mount
SupplierDevicePackage 8-MSOP
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
OperatingTemperature -40°C ~ 125°C

概述

Description

The MCP4531T-104E/MS is Microchip’s one-channel I2C digital potentiometer with a 100 kΩ end-to-end resistance (104). Key points:
- End-to-end resistance: 100 kΩ (RAB = 100 kΩ)
- Wiper: 128 steps (0–127) via an I2C-writable wiper register (volatile)
- Interface: I2C serial bus; MR/WR commands set the wiper position
- Supply and temp: 2.7–5.5 V operation; extended temp range (-40°C to +125°C)
- Package/packaging: MSOP-8 package; -MS denotes MSOP; -T indicates Tape & Reel; -E indicates RoHS-compliant/extended
- Applications: adjustable attenuation/gain, volume controls, sensor calibration, programmable analog front-ends
- Benefits: no mechanical wear, compact size, programmable and repeatable resistor element
In short: a small, I2C-controlled, digitally tunable resistor suitable for fine-grained analog adjustments in compact designs.

Features

MCP4531T-104E/MS features (concise):
- End-to-end resistance: 100 kΩ (104)
- Wiper resolution: 128 steps (7-bit)
- Single-channel volatile digital pot (wiper memory is lost on power down; no EEPROM)
- SPI-compatible serial interface (CS, SCK, SI; optional SDO for daisy-chaining)
- Supply voltage: 2.7 V to 5.5 V
- Low power operation
- Operating temperature: -40°C to +125°C
- Packaging: 8-pin MSOP, RoHS-compliant, Tape & Reel (MS)

Package

MSOP-8. The MCP4531T-104E/MS comes in an 8-pin MSOP (Micro Small Outline Package).

Pinout

- Pin count: 8 pins (MSOP-8 package).
- Function: I2C digital potentiometer with 100 kΩ end-to-end resistance (104). Provides a variable resistance between terminals A and B with the wiper at W; controlled via I2C (SDA/SCL) with VDD and VSS supplies.

Manufacturer

Manufacturer: Microchip Technology Inc. It’s a global American semiconductor company (publicly traded, NASDAQ: MCHP) that designs and manufactures microcontrollers, memory, and analog ICs, including digital potentiometers like the MCP4531.

Application

MCP4531T-104E/MS is a 100 kΩ single‑channel digital potentiometer. Applications:
- Programmable gain/attenuation in op-amp signal paths
- Offset trimming and reference voltage division
- Programmable attenuator for audio/instrumentation
- Sensor calibration and conditioning
- Replacement for mechanical potentiometers in test equipment, instrumentation, and consumer electronics

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