MCP4024T-202E/OT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
MCP4024T-202E/OT is a single-channel, non-volatile digital potentiometer from Microchip with 64 wiper positions and a 2.1 kOhm end-to-end resistance. It uses an increment/decrement control interface with a 4 kHz bandwidth and stores the wiper setting in non-volatile memory. Housed in a miniature 5-pin SOT-23 package for space-sensitive PCB designs.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP4024T-202E/OT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6950(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
- Non-volatile wiper position memory retains the last resistance setting through power cycles without requiring software re-initialization
- 64-step increment/decrement interface provides fine-grained 2.1 kOhm resistance adjustment in a 2-wire serial control scheme
- Ultra-compact 5-pin SOT-23 package minimizes board area for portable, wearable, and IoT applications requiring analog trimming
Applications
The MCP4024T-202E/OT is well-suited for adjustable gain stages, volume control, and offset trimming in battery-powered consumer electronics and IoT sensor nodes where non-volatile wiper storage eliminates re-calibration on startup. Its 4 kHz signal bandwidth and 2.1 kOhm resistance range support audio frequency processing and analog conditioning circuits. The compact SOT-23 footprint also makes it ideal for handheld test instruments and wearable devices requiring digitally programmable resistance in minimal board space.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-5 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Additional Feature | NONVOLATILE MEMORY |
| Bandwidth-Nom | 4kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 64 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5V |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.45mA |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 2100Ω |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many resistance steps does the MCP4024T-202E/OT provide and what is the maximum end-to-end resistance?
The device provides 64 wiper steps across a 2.1 kOhm end-to-end resistance, giving each step a resolution of approximately 33 ohms. This fine resolution is suitable for precise analog gain and offset trimming in signal conditioning circuits and audio applications with bandwidth up to 4 kHz.
Does the MCP4024T-202E/OT retain its resistance setting after power is removed?
Yes. The device incorporates non-volatile memory that stores the current wiper position through power cycles. When power is restored, the wiper automatically returns to the last programmed 2.1 kOhm position without any host microcontroller intervention, which is essential in field-deployed sensor and calibration hardware.
What control interface does the MCP4024T-202E/OT use to change resistance?
The MCP4024T-202E/OT uses a simple 2-wire increment/decrement interface rather than a full SPI or I2C bus. A single INC pin toggles the 64-step wiper one position per pulse, and a separate direction pin selects increment or decrement, allowing integration with minimal GPIO resources on 8-bit microcontrollers.
Which compact designs benefit most from the MCP4024T-202E/OT's SOT-23 package?
The 5-pin SOT-23 package occupies less than 3 mm x 3 mm of PCB footprint, making the MCP4024T-202E/OT ideal for wearable devices, hearing aids, compact audio modules, and IoT sensor nodes where board real estate is severely constrained and a 2.1 kOhm trimmer is needed in a permanently soldered form factor.
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