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MCP4019T-103E/LT

Name: MCP4019T-103E/LT
Rating: 4.7 (12 reviews)

IC DGTL POT 10KOHM 128TAP SC70-5

製造商
製造商。部分 #MCP4019T-103E/LT
包 5-TSSOP, SC-70-5, SOT-353
資料表 MCP4019T-103E/LT DataSheet
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規格

Supplier	Microchip Technology
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Taper	Linear
Configuration	Rheostat
NumberofCircuits	1
NumberofTaps	128
Resistance(Ohms)	10k
Interface	I²C
MemoryType	Volatile
Voltage-Supply	1.8V ~ 5.5V
Tolerance	±20%
TemperatureCoefficient(Typ)	150ppm/°C
MountingType	Surface Mount
SupplierDevicePackage	SC-70-5
Package/Case	5-TSSOP, SC-70-5, SOT-353
OperatingTemperature	-40°C ~ 125°C

概述

Description

Introduction to MCP4019T-103E/LT:
- What it is: Microchip single-channel I2C digital potentiometer that replaces a mechanical pot for adjustable resistance in analog circuits.
- End-to-end resistance: 10 kΩ (the 103 code). Wiper offers 128 positions (0–127).
- Interface and power: I2C control; operates from ~1.8 to 5.5 V; low power consumption.
- Operation: Wiper value stored in an internal register (voltage divider between terminals A and B); no external DAC is needed.
- Packaging/ordering: 103 indicates 10 kΩ end-to-end; -LT indicates packaging options (lead-free/tape-and-reel as applicable).
- Typical uses: sensor offset trimming, programmable gain/attenuation, signal conditioning and calibration in embedded systems.
Note: Check the datasheet for exact electrical specs, timing, and package details.

Features

MCP4019T-103E/LT features (concise):
- End-to-end resistance: 10 kΩ (103)
- 8-bit wiper: 256 positions
- Interface: I2C-compatible digital potentiometer
- Supply voltage: typical 2.7 V to 5.5 V
- Temperature grade: Extended temp, -40°C to +125°C (E)
- Low power, fast I2C programming
- Small-package options with Tape & Reel (LT)
- RoHS compliant
Note: Wiper value is volatile (retained only while powered). Packaging variations may include SOT-23-6/MSOP-8 options.

Package

8-pin MSOP-8 package; LT indicates lead-free RoHS and Tape‑and‑Reel packaging.

Pinout

- Pin count: 8 pins (8-pin package).
- Function: Single-channel volatile digital potentiometer with 10 kΩ end-to-end resistance (MCP4019T-103E/LT). It provides A–B–W terminals and uses an SPI-compatible control interface (CS, SCK, SI) to set the wiper position (0–255, 256 steps). Power pins are VDD and VSS.

Manufacturer

- Manufacturer: Microchip Technology Inc.
- What kind of company: An American multinational semiconductor company that designs and manufactures microcontrollers, memory, and analog devices (including digital potentiometers like the MCP4019), publicly traded on NASDAQ as MCHP.

Application

- Programmable resistance for adjustable gain/attenuation and feedback in op-amps
- Volume and tone control in audio/video equipment
- Sensor calibration and trimming (offset/gain) for instrumentation and ADC/DAC references
- Programmable voltage dividers and bias/reference networks
- Active filter tuning (set cutoff/Q) in analog signal chains
- Replacement for mechanical potentiometers in compact, rugged designs

Equivalent

Direct cross-refs don’t exist. For the same spec (1‑channel SPI digital pot, end‑to‑end 10 kΩ, volatile, 8‑bit), closest drop‑ins are:
- Microchip MCP41/MCP42 10 kΩ variants
- TI TPL0401/TPL0402
- Analog Devices AD525x (SPI) series
Verify end‑to‑end resistance, number of channels, interface, package and temp range to pick the exact part.