MCP4641-103E/ST Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4641-103E/ST is a dual-channel 10 kΩ digital potentiometer with 129 taps, I2C interface, and non-volatile memory in a TSSOP-14 package. Supports increment/decrement control and retains wiper position through power cycles. Available with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP4641-103E/ST Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3900(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 MCP4641-103E/ST?
- Dual-channel 10 kΩ digital potentiometer with 129 tap positions for precise resistance adjustment
- Non-volatile memory (NVM) stores wiper position through power cycles, eliminating initialization code
- I2C interface with increment/decrement commands allows easy integration with any microcontroller
- TSSOP-14 package provides a compact footprint for audio, gain, and calibration control circuits
What is MCP4641-103E/ST used for?
The MCP4641-103E/ST is used in audio volume control, programmable gain amplifiers, and LCD backlight brightness adjustment where software-controlled resistance adjustment replaces mechanical potentiometers. Its non-volatile memory retains the last wiper position after power-off, making it ideal for user preference storage in consumer electronics and industrial calibration fixtures. Dual-channel architecture allows simultaneous control of two independent resistive elements in differential signal conditioning or dual-rail power supply trimming applications.
What are the specifications of MCP4641-103E/ST?
| Pbfree Code | Yes |
| Manufacturer Package Code | TSSOP-14 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Additional Feature | NON-VOLATILE MEMORY |
| Bandwidth-Nom | 1kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Number of Positions | 129 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 |
| 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 |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.6mA |
| 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 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Total Resistance-Nom | 10000Ω |
| Package | Small Outline Packages |
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 | Philippines, Thailand |
Where can I find the MCP4641-103E/ST datasheet?
MCP4641-103E/ST Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4641-103E/ST?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many tap positions does the MCP4641-103E/ST offer and what resolution does that provide for a 10 kΩ end-to-end resistance?
The MCP4641-103E/ST provides 129 tap positions across its 10 kΩ end-to-end resistance, yielding a step resolution of approximately 78 Ω per tap. This fine resolution is suitable for audio volume control, programmable gain settings, and precise analog trimming in signal conditioning circuits.
How does the non-volatile memory in MCP4641-103E/ST simplify firmware design?
The built-in non-volatile memory stores the current wiper position when a write command is issued, so the device restores its last resistance value at power-up without any firmware initialization sequence. This eliminates the need to restore potentiometer state after every power cycle in audio presets or calibration systems.
Which I2C address options does MCP4641-103E/ST support for multi-device systems?
The MCP4641-103E/ST supports hardware address selection through A0 and A1 pins, enabling up to 4 unique I2C addresses on a single bus. This allows designers to place 4 dual-channel devices on one I2C bus, controlling 8 independent 10 kΩ potentiometer channels from a single master without bus conflicts.
What bandwidth limitation should designers account for when using MCP4641-103E/ST in AC signal paths?
The MCP4641-103E/ST has a nominal bandwidth of 1 kHz, meaning signal attenuation increases above this frequency due to parasitic wiper capacitance. For audio applications operating within the 20 Hz to 1 kHz range this is acceptable, but high-frequency AC applications above 10 kHz should use a dedicated analog switch or a higher-bandwidth digital potentiometer instead.
Related Guides
TLV76033 Selection Guide: Headroom, Heat, and Sourcing
Choose a TLV76033 3.3-V supply using manufacturer ratings, load profiles, dropout calculations, thermal checks, and exact orderable parts.
Nov 14, 2026
DP83TG720SWRHATQ1 Automotive Ethernet Board Design Guide
A practical DP83TG720SWRHATQ1 board checklist for host interfaces, startup, channel validation, qualified variants, and sourcing.
Nov 14, 2026
BQ76942PFBR Battery Monitor Selection and Procurement Guide
Choose BQ76942PFBR by cell count, protection architecture, factory configuration, measurement needs, and a controlled sourcing specification.
Nov 13, 2026
SEP0640Q38CB Surge Protection Board Validation Guide
Validate a SEP0640Q38CB protection network through operating-envelope review, surge-current routing, recovery tests, and assembly checks.
Nov 13, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3900 | $0.39 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit