Company News

Ⅰ.Overview of product

The MCP4019T-104E/LT is a linear digital potentiometer developed by Microchip Technology, belonging to the data acquisition IC category, with I2C interface and 128 taps for precise resistance adjustment.

Ⅱ.Core parameter

Category:Integrated Circuits (ICs),Data Acquisition,Digital Potentiometers

Manufacturer:Microchip Technology

Packaging:Tape & Reel

Part Status:Active

Taper:Linear

Configuration:Rheostat

Number of Taps:128

Resistance (Ohms):100k

Interface:I2C

Memory Type:Volatile

Voltage - Supply:1.8V ~ 5.5V

Tolerance:±20%

Temperature Coefficient (Typ):150ppm/°C

Mounting Type:Surface Mount

Package / Case:5-TSSOP, SC-70-5, SOT-353

Operating Temperature:-40°C ~ 125°C

Resistance - Wiper (Ohms) (Typ):155

Ⅲ.Main characteristics

High Resolution:Features 7-bit resolution with 128 taps, enabling precise resistance adjustment from zero to full scale.

Simple Interface:Adopts I2C communication protocol, supporting convenient read and write operations for easy integration into systems.

Wide Voltage Range:Operates at a supply voltage of 1.8V ~ 5.5V, compatible with various electronic devices and scenarios.

Compact Packaging:Available in 5-TSSOP, SC-70-5 and SOT-353 packages, suitable for space-constrained applications.

Low Power Consumption:Features low static current, reducing energy consumption for energy-sensitive products.

Linear Taper:Adopts linear taper design, ensuring stable and consistent resistance adjustment performance.

Ⅳ.Application field

Amplifier Gain:Used to adjust the gain of operational amplifiers, realizing programmable gain control in signal processing circuits.

LED Dimming:Controls the current of LED lights to achieve stepless dimming, applicable to household and industrial lighting devices.

Sensor Calibration:Adjusts the resistance in sensor circuits to calibrate measurement accuracy, such as temperature and pressure sensors.

Audio Volume:Regulates audio signal amplitude to adjust volume, suitable for portable audio devices and small sound systems.

Power Supply Regulation:Fine-tunes the resistance in power management circuits to stabilize output voltage or current.

Ⅴ.Summary

The MCP4019T-104E/LT is a high-performance,compact digital potentiometer with precise adjustment,wide compatibility and stable performance,suitable for various precision adjustment scenarios in electronic devices,with high practical value and broad application prospects.