MCP4142T-103E/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
MCP4142T-103E/MS is a single-channel 10 kΩ digital potentiometer with 128 wiper positions controlled via SPI increment/decrement interface in an 8-pin MSOP package. It offers non-volatile wiper memory, 1 kHz bandwidth, and operates from 1.8 V to 5.5 V. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4142T-103E/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7200(MOQ 25)
- 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 MCP4142T-103E/MS?
- 128-step single-channel 10 kΩ digital potentiometer with SPI increment/decrement control for precise resistive adjustment
- Non-volatile wiper position memory retains last setting across power cycles without host intervention
- Wide 1.8 V to 5.5 V supply range in compact 8-pin MSOP package ideal for portable and battery-powered designs
What is MCP4142T-103E/MS used for?
MCP4142T-103E/MS suits audio volume and tone control circuits, programmable gain amplifiers, and LCD contrast adjusters where mechanical potentiometers must be replaced with digitally controllable elements. Its non-volatile memory and SPI interface also make it useful in calibration DAC references, sensor offset trimming, and DC bias setting for analog front-ends in industrial measurement equipment.
What are the specifications of MCP4142T-103E/MS?
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 11Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 1kHz |
| 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 | TSSOP8,.19 |
| Package Shape | SQUARE |
| 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 | 5V |
| Supply Current-Max | 1mA |
| Supply Voltage-Nom | 5V |
| 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 | Thailand |
Where can I find the MCP4142T-103E/MS datasheet?
MCP4142T-103E/MS Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4142T-103E/MS?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many wiper positions does MCP4142T-103E/MS support and what resistance step size does each position represent?
MCP4142T-103E/MS offers 128 wiper positions across a 10 kΩ end-to-end resistance, giving a step resolution of approximately 78 Ω per step. This fine granularity allows precise gain or offset trimming in analog signal chains where each step corresponds to less than 1% of full-scale resistance change.
Does MCP4142T-103E/MS retain its wiper position after power cycling?
Yes, MCP4142T-103E/MS stores the wiper position in non-volatile memory, so the last SPI-programmed setting is restored automatically at power-up without host intervention. This is critical in calibration circuits and bias-setting applications where losing the trim value would require recalibration after every power cycle.
What SPI interface does MCP4142T-103E/MS use and how fast can it be programmed?
MCP4142T-103E/MS uses an increment/decrement SPI interface operating up to 10 MHz clock speed, allowing the host MCU to adjust wiper position at rates well above audio-frequency bandwidth. The 1 kHz small-signal bandwidth of the resistor array defines the AC signal limit, not the SPI speed.
Which supply voltage range does MCP4142T-103E/MS support and what logic families are compatible?
MCP4142T-103E/MS operates from 1.8 V to 5.5 V supply, making it directly compatible with 1.8 V, 3.3 V, and 5 V microcontrollers and FPGAs without level shifters. This broad range suits both low-power embedded designs running at 1.8 V and legacy 5 V industrial systems in a single 8-pin MSOP footprint.
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