MCP4019T-502E/LT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
Microchip MCP4019T-502E/LT is a single-channel 7-bit digital potentiometer with 5 kΩ end-to-end resistance and I2C interface in a tiny SC70-5 package. Offers 128 wiper positions with non-volatile memory for power-on state retention and operates from 2.7 V to 5.5 V. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP4019T-502E/LT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4687(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP4019T-502E/LT?
- 7-bit resolution with 128 wiper positions over a 5 kΩ end-to-end resistance for precise analog trimming via I2C
- Non-volatile wiper position storage retaining last setting through power cycles without external EEPROM
- Ultra-compact SC70-5 package (2.0 mm × 2.1 mm) enabling digital potentiometer integration in space-critical designs
What is MCP4019T-502E/LT used for?
The MCP4019T-502E/LT is ideal for programmable gain and offset trimming in precision analog signal chains where mechanical potentiometers must be replaced by software-adjustable elements controlled over a 2-wire I2C bus. Audio equipment designers use it for digital volume control in headphone amplifiers and mixer channels requiring smooth 128-step attenuation across a 5 kΩ range. It also serves as a reference voltage trimmer and bias-current adjustment element in sensor conditioning circuits that benefit from factory-calibrated non-volatile wiper settings.
What are the specifications of MCP4019T-502E/LT?
| Pbfree Code | Yes |
| Manufacturer Package Code | SC70-5 |
| Factory Lead Time | 9Weeks |
| YTEOL | 8 |
| Bandwidth-Nom | 2kHz |
| 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 | 5000Ω |
| 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 |
Where can I find the MCP4019T-502E/LT datasheet?
MCP4019T-502E/LT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4019T-502E/LT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many wiper positions and what resistance range does the MCP4019T-502E/LT provide?
The MCP4019T-502E/LT offers 128 discrete wiper positions (7-bit resolution) across a 5 kΩ end-to-end resistance, giving a step size of approximately 39 Ω per LSB. This fine resolution is sufficient for precise gain trimming, audio attenuation, and reference voltage adjustment in analog signal-conditioning circuits operating from 2.7 V to 5.5 V.
Does the MCP4019T-502E/LT retain its wiper setting after a power cycle?
Yes. The MCP4019T-502E/LT includes on-chip non-volatile memory that stores the last programmed 7-bit wiper position and restores it automatically at power-on, eliminating the need for an MCU initialization sequence or external EEPROM to reload calibration settings in battery-powered or intermittently powered instruments.
What I2C address and communication speed does the MCP4019T-502E/LT support for multi-device boards?
The MCP4019T-502E/LT uses a fixed I2C address that allows it to share a 2-wire bus with other peripherals. It is compatible with standard-mode 100 kHz and fast-mode 400 kHz I2C operation, enabling straightforward integration with common microcontrollers such as PIC, AVR, and ARM Cortex-M devices without dedicated serial interfaces.
How small is the SC70-5 footprint and why does it matter for portable designs?
The SC70-5 package measures approximately 2.0 mm × 2.1 mm, making the MCP4019T-502E/LT one of the smallest digital potentiometer solutions available. This miniature footprint is critical in wearable medical devices, hearing-aid amplifiers, and compact IoT sensor nodes where PCB area is limited and replacing a mechanical trimmer pot with a digitally controlled 5 kΩ element must not add significant board real estate.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.6800 | $0.68 |
| 5+ | $0.5920 | $2.96 |
| 25+ | $0.5450 | $13.63 |
| 100+ | $0.5250 | $52.50 |
| 1000+ | $0.4900 | $490.00 |
| 2250+ | $0.4687 | $1054.58 |
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