MCP4019T-104E/LT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
MCP4019T-104E/LT is a single-channel 100 kΩ digital potentiometer with 128-step linear taper and I2C 2-wire interface, housed in a compact SC-70 5-pin package. It operates from 1.8 V to 5.5 V supply and draws only 1 µA typical quiescent current. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP4019T-104E/LT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3582(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100 kΩ end-to-end resistance with 128 linear steps for precise digital resistance control
- I2C 2-wire serial interface supporting standard 100 kHz and fast 400 kHz modes
- Ultra-low 1 µA typical quiescent current enabling battery-powered designs
- Compact SC-70 5-pin package with 1.8 V to 5.5 V wide supply range
Applications
The MCP4019T-104E/LT is used in applications requiring digitally adjustable resistance, such as gain control in audio amplifiers, calibration offset adjustment in sensor signal conditioning circuits, and programmable voltage dividers in power management systems. Its tiny SC-70 footprint and low supply current make it ideal for space-constrained portable equipment and wearable devices. System designers also use it to replace mechanical trimmer potentiometers in production calibration workflows.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SC70-5 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Bandwidth-Nom | 0.1kHz |
| Control Interface | 2-WIRE SERIAL |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 128 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP5/6,.08 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5.5V |
| Supply Current-Max | 0.6mA |
| Surface Mount | YES |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Total Resistance-Nom | 100000Ω |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the end-to-end resistance and resolution of MCP4019T-104E/LT?
The MCP4019T-104E/LT provides a 100 kΩ end-to-end resistance with 128 linear steps, giving an LSB step size of approximately 781 Ω per step. This resolution is sufficient for fine gain and offset trimming in analog signal chains operating from 1.8 V to 5.5 V supplies.
Which communication protocol does MCP4019T-104E/LT use, and at what speeds?
MCP4019T-104E/LT uses a 2-wire I2C serial interface supporting both standard mode at 100 kHz and fast mode at 400 kHz. The device accepts increment and decrement commands over I2C, making it straightforward to integrate with any microcontroller that has an I2C peripheral, without requiring additional GPIO pins.
How does MCP4019T-104E/LT fit into a battery-powered wearable design?
With a typical quiescent current of only 1 µA and a supply voltage as low as 1.8 V, MCP4019T-104E/LT consumes minimal power in battery-powered wearables. The SC-70 5-pin package measures just 2.0 mm × 1.25 mm, occupying negligible PCB area, while the 100 kΩ high-resistance value limits current through the resistive element to microampere levels.
When would MCP4019T-104E/LT be preferred over a mechanical trimmer potentiometer?
MCP4019T-104E/LT replaces mechanical trimmers in automated production calibration workflows where digital I2C commands update the 128-step wiper position without physical access to the board. It offers superior repeatability over temperature ranging from -40 °C to +125 °C compared to mechanical trimmers that drift and wear over time in industrial environments.
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