MCP4341-104E/ST Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4341-104E/ST is a quad-channel digital potentiometer from Microchip Technology with 128 wiper positions and 100 kΩ end-to-end resistance. It communicates over a 3-wire SPI-compatible interface and is housed in a 20-pin TSSOP package. Lead-free and available worldwide for gain control, offset adjustment, and programmable filter applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MCP4341-104E/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 MCP4341-104E/ST?
- Quad independent digital potentiometer channels (4 pots per package) with 128-step resolution and 100 kΩ resistance for flexible multi-channel gain and bias control
- Non-volatile wiper position memory retains the last programmed resistance setting across power cycles without requiring a host microcontroller at startup
- 3-wire SPI-compatible serial interface operating from 1.8 V to 5.5 V allows direct integration with a wide range of low-voltage and 5 V microcontrollers
What is MCP4341-104E/ST used for?
The MCP4341-104E/ST is used in precision analog signal-conditioning circuits where programmable gain, offset, or attenuation must be set digitally and retained through power cycles without a microcontroller re-initializing the device. Industrial calibration equipment and instrumentation amplifiers leverage its 4 independent 100 kΩ channels to trim multiple feedback resistors in a single compact package. Audio equipment, LCD bias generators, and sensor interface modules also benefit from its SPI control and non-volatile storage, enabling factory calibration that persists in the field.
What are the specifications of MCP4341-104E/ST?
| Pbfree Code | Yes |
| Manufacturer Package Code | TSSOP-20 |
| Factory Lead Time | 7Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.1kHz |
| 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 | 100000Ω |
| 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 MCP4341-104E/ST datasheet?
MCP4341-104E/ST Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4341-104E/ST?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many wiper positions does MCP4341-104E/ST offer, and what minimum resistance step size does that provide for a 100 kΩ pot?
The MCP4341-104E/ST provides 128 wiper positions across its 100 kΩ end-to-end resistance, giving a step size of approximately 781 Ω per LSB. This resolution is sufficient to trim a gain-setting resistor with about 0.78 % granularity per step, making it suitable for calibration tasks in sensor interfaces, audio attenuators, and programmable filter cutoff frequency adjustments.
Does MCP4341-104E/ST retain its wiper position after power is removed, and how does this benefit factory-calibrated equipment?
Yes, the MCP4341-104E/ST includes non-volatile memory that stores the wiper position so the device restores the same resistance on every power-up without any SPI command. In factory-calibrated instruments this means a single calibration write at end-of-line permanently programs the offset or gain correction across all 4 channels, eliminating the need for a host MCU to reinitialize the potentiometer on each power cycle and reducing firmware complexity.
How does using MCP4341-104E/ST with 4 channels compare to deploying four single-channel digital pots in a multi-axis sensor trim application?
The MCP4341-104E/ST integrates 4 independent 128-step 100 kΩ digital potentiometers in a single 20-pin TSSOP footprint measuring approximately 6.5 mm x 4.4 mm. Replacing it with four single-channel 8-pin SOIC pots would require roughly 4x more PCB area, 4 separate SPI chip-select lines, and 4x the quiescent current budget. The quad integration cuts BOM cost and simplifies layout for 4-axis sensor trim or 4-channel audio balance control applications.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.8500 | $1.85 |
| 25+ | $1.8200 | $45.50 |
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| 1000+ | $1.3600 | $1360.00 |
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