MCP4341-503E/ST Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4341-503E/ST is a quad-channel, non-volatile, SPI digital potentiometer with 128 wiper positions and 50 kohm end-to-end resistance, operating from 1.8 V to 5.5 V. The TSSOP-20 package integrates 4 independent digitally controlled resistor elements in a compact footprint.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MCP4341-503E/ST Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2400(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 MCP4341-503E/ST?
- Quad-channel non-volatile digital potentiometer with 128 wiper steps per channel, retaining position after power loss
- 50 kohm end-to-end resistance with 3-wire SPI control interface for easy microcontroller integration
- 1.8 V to 5.5 V supply range in a TSSOP-20 package integrating 4 resistor channels
What is MCP4341-503E/ST used for?
The MCP4341-503E/ST is used in programmable gain amplifier stages, adjustable voltage references, and LCD bias control circuits where precise digital resistance control is required. Its non-volatile wiper memory makes it ideal for calibration and trimming applications in industrial sensors, medical instruments, and audio equipment that must retain settings across power cycles.
What are the specifications of MCP4341-503E/ST?
| Pbfree Code | Yes |
| Manufacturer Package Code | TSSOP-20 |
| Factory Lead Time | 7Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.2kHz |
| Control Interface | 3-WIRE SERIAL |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Number of Functions | 4 |
| Number of Positions | 129 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP20,.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 | 50000Ω |
| 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 MCP4341-503E/ST datasheet?
MCP4341-503E/ST Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4341-503E/ST?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the non-volatile wiper memory of the MCP4341-503E/ST benefit calibration-heavy sensor designs?
The MCP4341-503E/ST stores wiper positions in non-volatile memory, so all 4 channels retain their 128-step resistance settings after power removal. In factory-calibrated sensors or precision measurement instruments this eliminates the need for a host microcontroller to re-write calibration values at every startup, reducing initialization time and simplifying firmware while maintaining accuracy across power cycles.
What resistance resolution does each MCP4341-503E/ST wiper channel provide over the 50 kohm range?
With 128 wiper positions across a 50 kohm end-to-end resistance, each step represents approximately 390 ohms of adjustment. This 7-bit resolution translates to about 0.78% full-scale per step, suitable for gain trimming, offset adjustment, and LCD contrast control in systems operating on 1.8 V to 5.5 V single-supply rails.
Can the MCP4341-503E/ST replace a mechanical multi-gang potentiometer in an audio tone-control circuit?
Yes, the MCP4341-503E/ST integrates 4 independent 50 kohm digital potentiometers in one TSSOP-20 package, covering the typical bass, treble, and balance channels needed in audio tone-control topologies. The 0.2 kHz rated bandwidth suits audio-frequency applications up to approximately 20 kHz when the wiper resistance of roughly 75 ohms is accounted for in the filter design.
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