MCP4531T-502E/MS

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MCP4531T-502E/MS

IC DGTL POT 5KOHM 129TAP 8MSOP

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사양

Supplier Microchip Technology
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Taper Linear
Configuration Potentiometer
NumberofCircuits 1
NumberofTaps 129
Resistance(Ohms) 5k
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

개요

Description

MCP4531T-502E/MS is a Microchip single‑channel digital potentiometer (digipot) with an I2C interface. It provides a programmable end‑to‑end resistance of 5 kΩ (code 502) and 128 wiper steps (0–127), enabling precise digital control of a voltage divider, bias, or gain/attenuation in analog circuitry.
Key points:
- 1 × digipot channel, I2C control
- End‑to‑end: 5 kΩ (502)
- Wiper resolution: 128 steps
- Wiper position stored in a register; some variants support nonvolatile recall
- Common applications: sensor calibration, adjustable attenuators/gains, biasing networks
Suffix/packaging note:
- -MS indicates the packaging/format variant (and associated reel/format); -E often denotes extended temperature, with exact package and temp range specified in the datasheet. Always verify final packaging and operating temperature with the official datasheet for this exact lot.

Features

MCP4531T-502E/MS features (concise):
- Single-channel volatile digital potentiometer, end-to-end resistance 5 kΩ (code 502), 128 wiper steps (8-bit resolution).
- I2C-compatible serial interface for controlling the wiper (SDA/SCL) with standard addressing.
- Supply voltage: typically 2.7 V to 5.5 V; low quiescent and dynamic current during updates.
- Wiper position stored in volatile memory (not retained after power down).
- 8-pin MSOP package; RoHS-compliant (-E) with Tape & Reel (-MS) options.
- Industrial temperature range (typical -40°C to +125°C).
- Applications: gain/offset adjustment, signal conditioning, sensor calibration, and other analog control tasks.

Package

It’s in an 8-pin MSOP package (MSOP-8), i.e., Microchip’s MSOP RoHS-compliant package.

Pinout

- Pin count: 8 pins (MSOP-8 package for MCP4531T-502E/MS)
- Function: One single digital potentiometer (5 kΩ end-to-end) with terminals A, B (potentiometer ends) and W (wiper). Interface via 3-wire SPI: CS, SCK, SI. Power pins are VDD and VSS.

Manufacturer

- Manufacturer: Microchip Technology Inc. (Microchip)
- What kind of company: A global semiconductor company that designs, manufactures, and markets embedded-control solutions—microcontrollers, analog ICs (including digital potentiometers like MCP45xx), memory, and related products for automotive, industrial, computing, consumer, and communications markets.

Application

Typical applications of MCP4531T-502E/MS (digital potentiometer, 5k end-to-end, I2C):
- Programmable gain/attenuation in op-amp and ADC/DAC circuits
- Reference voltage trimming and offset calibration for precision measurement
- Sensor calibration and compensation in instrumentation
- Programmable audio volume and tone control
- Attenuation/level control in RF or signal-conditioning paths
- I2C-controlled analog tuning in microcontroller-based systems and test equipment

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