MCP40D17T-502E/LT Microchip Integrated Circuit (SOT23 (6-Pin)) In Stock
MCP40D17T-502E/LT is a single-channel 7-bit I2C digital potentiometer from Microchip with 5 kΩ end-to-end resistance, 128 wiper positions, and 2 kHz bandwidth in a 6-pin SOT-23 package. It enables software-controlled analog tuning for bias, gain, and offset adjustment in compact embedded designs.
- Manufacturer
- Microchip
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- OBSOLETE
- Datasheet
- MCP40D17T-502E/LT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5300(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 MCP40D17T-502E/LT?
- 7-bit resolution with 128 wiper positions over 5 kΩ end-to-end resistance
- I2C (2-wire serial) interface for minimal pin-count integration
- 2 kHz nominal bandwidth for audio and low-frequency analog control
- Ultra-compact 6-pin SOT-23 package for space-constrained designs
- Single-channel architecture simplifies firmware and routing
- Lead-free RoHS-compliant construction on tape-and-reel
What is MCP40D17T-502E/LT used for?
The MCP40D17T-502E/LT is used in portable instruments, wearable sensors, and IoT nodes where software-adjustable 5 kΩ resistance must fit within a minimal PCB footprint achievable only with a 6-pin SOT-23 package. Its I2C interface allows a microcontroller to set any of the 128 wiper positions to calibrate sensor offsets, adjust amplifier gain, or set reference voltages without mechanical trimmer potentiometers. The 2 kHz bandwidth covers audio-frequency and slow control applications including volume control, LCD bias tuning, and closed-loop offset correction in battery-powered designs.
What are the specifications of MCP40D17T-502E/LT?
| Pbfree Code | Yes |
| Factory Lead Time | 15Weeks |
| YTEOL | 0 |
| Bandwidth-Nom | 2kHz |
| Control Interface | 2-WIRE SERIAL |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 128 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP6,.08 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5.5V |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.08mA |
| Supply Voltage-Nom | 2.7V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 5000Ω |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Where can I find the MCP40D17T-502E/LT datasheet?
MCP40D17T-502E/LT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP40D17T-502E/LT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What end-to-end resistance and resolution does MCP40D17T-502E/LT provide?
The MCP40D17T-502E/LT has a 5 kΩ end-to-end resistance with 128 wiper positions (7-bit resolution), giving a step size of approximately 39 Ω per position. This resolution is sufficient for fine bias and offset adjustments in sensor conditioning circuits, where sub-100 Ω steps translate to millivolt-level voltage corrections at typical operating currents.
Why is the 6-pin SOT-23 package of MCP40D17T-502E/LT advantageous for wearable device PCBs?
The 6-pin SOT-23 package occupies approximately 2.9 mm × 1.6 mm of PCB footprint, making it one of the smallest available packages for an I2C digital potentiometer. For wearable devices and compact IoT sensors where PCB area is budgeted in single-digit square millimeters per component, the SOT-23 form factor allows inclusion of programmable analog adjustment without the 8-pin SOIC or MSOP area penalty.
How does MCP40D17T-502E/LT compare to MCP4531-103E/MS for a design needing 5 kΩ resistance?
Both devices are 7-bit I2C digital potentiometers with 128 positions and 2 kHz bandwidth, but the MCP40D17T-502E/LT provides a 5 kΩ end-to-end resistance in a 6-pin SOT-23 package, while the MCP4531-103E/MS offers 10 kΩ in an 8-pin MSOP. Choose MCP40D17T-502E/LT when the circuit requires lower resistance values and the smallest possible package; choose MCP4531-103E/MS when 10 kΩ resistance or a slightly larger package with standard MSOP land patterns is preferred.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.0720 | $2.07 |
| 3+ | $1.6576 | $4.97 |
| 5+ | $0.6400 | $3.20 |
| 25+ | $0.6000 | $15.00 |
| 100+ | $0.5400 | $54.00 |
| 15000+ | $0.5300 | $7950.00 |
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