MCP4561T-503E/MS

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MCP4561T-503E/MS

IC DGTL POT 50KOHM 257TAP 8MSOP

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規格

Supplier Microchip Technology
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Taper Linear
Configuration Potentiometer
NumberofCircuits 1
NumberofTaps 257
Resistance(Ohms) 50k
Interface I²C
MemoryType Non-Volatile
Voltage-Supply 1.8V ~ 5.5V
Features Mute, 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

MCP4561T-503E/MS is Microchip’s single-channel digital potentiometer (digipot) with a 50 kΩ end-to-end resistance (503 = 50k). It provides 256 wiper positions (8-bit resolution) controlled over a serial interface (SPI-like). The device supports wiper position retention in non-volatile memory for power-up stability and typically includes a volatile wiper register as well. It operates from a 2.7 to 5.5 V supply and is available in RoHS-compliant packaging, with the -MS suffix indicating MSOP/SOIC-8 packaging. The -E suffix denotes extended temperature operation.
Key uses: adjustable gain/attenuation, programmable offset, sensor calibration, and programmable analog conditioning in compact, low-power circuits.

Features

MCP4561T-503E/MS features (concise):
- End-to-end resistance: 50 kΩ (RAB = 50k).
- Single-channel volatile digital potentiometer with 128-step wiper (7-bit).
- SPI-compatible serial interface (CS, SCK, SI) to set the wiper; three‑wire control.
- Wiper output via terminals A, B and W; adjustable resistance in the signal path.
- Supply voltage: 2.7 V to 5.5 V.
- Temperature range: -40 °C to +125 °C (industrial/extended temp, indicated by E suffix).
- Packaging: 8-pin MSOP; Tape & Reel option indicated by /MS; RoHS compliant.
- Low power consumption; suitable for battery/power-sensitive apps.
- Position updated in volatile memory (not nonvolatile by default).
- Typical applications: gain/attenuation control, sensor calibration, waveform shaping, programmable voltage dividers.

Package

MSOP-8 (8-lead Micro Small Outline Package).

Pinout

- Pin count: 8 pins (SOIC-8/DIP-8)
- Function: Single-channel digital potentiometer with end-to-end resistance of 50 kΩ (503). Interfaces via 4‑wire SPI (CS, SCK, SI, SO). Terminals: A and B are the potentiometer ends, W is the wiper; powered by VDD/VSS.

Manufacturer

- Manufacturer: Microchip Technology Inc.
- What kind of company: An American multinational semiconductor company that designs, develops, and manufactures microcontrollers, memory, and analog/mixed-signal ICs (e.g., digital potentiometers).

Application

Application areas of MCP4561T-503E/MS (50 kΩ, 1-channel volatile digital potentiometer):
- Programmable gain/attenuation in op-amp feedback and attenuator networks
- Audio volume control and programmable attenuation in audio paths
- Sensor calibration and compensation (offset/gain trim for bridges, RTDs, thermistors)
- Programmable reference/voltage divider in ADC/DAC front ends
- General signal conditioning and calibration in instrumentation and portable devices

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