MCP4542-502E/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
MCP4542-502E/MS is a single-channel non-volatile digital potentiometer from Microchip with 128 wiper steps, a 5 kΩ end-to-end resistance, and an increment/decrement control interface in a compact MSOP-8 package. Its non-volatile memory retains the wiper position after power cycling, making it ideal for calibration and bias adjustment circuits.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4542-502E/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7070(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 MCP4542-502E/MS?
- 128-step resolution for precise analog resistance adjustment
- 5 kOhm end-to-end resistance with non-volatile wiper position retention
- Increment/decrement serial control interface for simple MCU integration
- 2 kHz nominal bandwidth suitable for low-frequency analog signal paths
- Pb-free MSOP-8 package for compact PCB footprint
What is MCP4542-502E/MS used for?
The MCP4542-502E/MS is well-suited for factory calibration circuits, programmable gain stages, and power supply trimming applications where the resistance setting must be preserved through power cycles. Its non-volatile memory removes the need for host MCU re-initialization at startup, improving system reliability. The increment/decrement interface enables simple up/down control with minimal firmware overhead in embedded systems.
What are the specifications of MCP4542-502E/MS?
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 11Weeks |
| YTEOL | 9 |
| Additional Feature | NON-VOLATILE MEMORY |
| Bandwidth-Nom | 2kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 129 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE |
| 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 | 5000Ω |
| 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 | Thailand |
Where can I find the MCP4542-502E/MS datasheet?
MCP4542-502E/MS Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4542-502E/MS?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the non-volatile memory in MCP4542-502E/MS benefit calibration applications?
Because the MCP4542-502E/MS stores the 128-step wiper position in non-volatile memory, the resistance setting is retained across power cycles without requiring the host MCU to re-send calibration values at startup, reducing initialization complexity and improving field-deployed system reliability.
What control interface does MCP4542-502E/MS use and how does it differ from I2C-based potentiometers?
The MCP4542-502E/MS uses an increment/decrement serial interface with up and down pulse signals rather than an addressed I2C bus, which simplifies firmware to single GPIO toggles but does not allow random-access wiper positioning in a single command the way a 2-wire I2C device does.
Is MCP4542-502E/MS appropriate for audio volume-control circuits given its 2 kHz bandwidth?
The 2 kHz nominal bandwidth of MCP4542-502E/MS limits its use to low-frequency signal paths; it is suitable for DC bias trimming and low-frequency audio applications below 2 kHz but not for wideband or high-fidelity audio above that range where a higher-bandwidth potentiometer would be needed.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9760 | $0.98 |
| 100+ | $0.8100 | $81.00 |
| 1000+ | $0.7900 | $790.00 |
| 5000+ | $0.7140 | $3570.00 |
| 7500+ | $0.7120 | $5340.00 |
| 10000+ | $0.7070 | $7070.00 |
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