MCP4341-103E/ST Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4341-103E/ST is a quad 7-bit SPI digital potentiometer from Microchip with 10 kΩ end-to-end resistance, housed in a 20-pin TSSOP package, offering non-volatile wiper position storage and a 1 kHz bandwidth for analog signal control.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MCP4341-103E/ST Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2200(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 MCP4341-103E/ST?
- Quad 7-bit (128-step) digital potentiometer with 10 kΩ end-to-end resistance
- SPI (3-wire serial) interface for easy microcontroller integration
- Non-volatile wiper position storage retains settings after power-off
- 1 kHz bandwidth supports audio-frequency signal level control
- 20-pin TSSOP surface-mount package with 4 independent wipers
- 2.7V to 5.5V supply voltage range
What is MCP4341-103E/ST used for?
The MCP4341-103E/ST is used in analog signal conditioning circuits where software-adjustable resistance is needed, such as programmable gain amplifiers, audio volume controls, and LCD contrast adjustment in portable devices. Its quad configuration with non-volatile memory allows engineers to replace four mechanical potentiometers with a single SPI-controlled IC, saving board space in industrial calibration equipment and medical instrumentation. The wide 2.7 V to 5.5 V supply range and TSSOP-20 package make it a versatile choice for both 3.3 V and 5 V embedded platforms.
What are the specifications of MCP4341-103E/ST?
| Pbfree Code | Yes |
| Manufacturer Package Code | TSSOP-20 |
| Factory Lead Time | 9Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 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 | 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 MCP4341-103E/ST datasheet?
MCP4341-103E/ST Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4341-103E/ST?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many independent wiper channels does the MCP4341-103E/ST provide, and what is the resistance value?
The MCP4341-103E/ST integrates 4 independent digital potentiometer channels, each with a 10 kΩ end-to-end resistance and 128 wiper positions (7-bit resolution). This quad configuration replaces four mechanical potentiometers in a single 20-pin TSSOP footprint, significantly reducing board area in multi-channel calibration circuits.
Does the MCP4341-103E/ST retain its wiper position after power is removed?
Yes, the MCP4341-103E/ST uses non-volatile memory to store wiper positions so settings persist through power cycles without the need for a host microcontroller to re-initialize the device. This makes it ideal for factory calibration of gain stages, offset trim, and voltage references in instruments that must power up in a known state.
What signal bandwidth does the MCP4341-103E/ST support, and which audio or control applications benefit from it?
The MCP4341-103E/ST has a nominal bandwidth of 1 kHz, which covers low-frequency analog control loops, DC bias adjustments, and audio volume control for voice-band signals below 1 kHz. Applications such as hearing-aid amplifiers, telephony handsets, and industrial PID loop gain tuning all operate well within this 1 kHz bandwidth limit.
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