MCP4132-503E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4132-503E/SN is a single-channel 7-bit digital potentiometer from Microchip with 128 resistance steps and a 50 kohm end-to-end resistance. It uses an increment/decrement control interface and is housed in an SOIC-8 package. Suitable for programmable gain, offset, and calibration circuits in industrial and consumer electronics.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4132-503E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5660(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 MCP4132-503E/SN?
- 128-step (7-bit) resolution providing fine adjustment across 50 kohm end-to-end resistance
- Increment/decrement serial control interface requiring minimal microcontroller I/O pins
- SOIC-8 package for easy through-hole-compatible and surface-mount PCB assembly
- Non-volatile wiper position storage eliminates need for initialization on power-up
- Single supply operation compatible with 3.3 V and 5 V microcontroller systems
What is MCP4132-503E/SN used for?
The MCP4132-503E/SN replaces mechanical trimmer potentiometers in programmable gain amplifiers, bias voltage adjusters, and analog calibration circuits where remote or automated adjustment is required. It is used in industrial sensor conditioning boards, audio level control stages, and precision test equipment where repeatable 50 kohm resistance setting across 128 steps is needed without physical access. The SOIC-8 form factor makes it a direct drop-in for applications transitioning from manual trimmers to digitally controlled resistors.
What are the specifications of MCP4132-503E/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.2kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 129 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| 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 | 1.27mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 50000Ω |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mainland China, Thailand |
Where can I find the MCP4132-503E/SN datasheet?
MCP4132-503E/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4132-503E/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many discrete resistance steps does the MCP4132-503E/SN support, and what is the approximate step size for its 50 kohm range?
The MCP4132-503E/SN provides 128 steps across a 50 kohm end-to-end resistance, giving a resolution of approximately 390 ohm per step. This fine granularity allows precise gain and bias adjustments in analog signal conditioning circuits without the tolerance variability of mechanical trimmers.
Can the MCP4132-503E/SN retain its wiper position when power is removed, and how does this benefit calibration applications?
Yes, the MCP4132-503E/SN stores the wiper position in non-volatile memory, so the last programmed resistance setting is restored upon power-up without any microcontroller initialization sequence. In calibration circuits and sensor offset compensation applications, this means factory-set trim values persist through power cycles, reducing startup overhead and eliminating the need for EEPROM-based shadow storage.
When replacing a 50 kohm mechanical trimmer with the MCP4132-503E/SN, what interface signals does the microcontroller need to provide?
The increment/decrement interface requires only 2 to 3 digital I/O signals from the microcontroller: a chip select, an increment/decrement direction signal, and a clock or increment pulse line. This minimal pin count is an advantage over full SPI digital potentiometers that require 4 wires, making it suitable for microcontrollers with limited GPIO such as 8-pin PICs or ATtiny devices.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.8400 | $0.84 |
| 25+ | $0.7000 | $17.50 |
| 100+ | $0.6400 | $64.00 |
| 1000+ | $0.6100 | $610.00 |
| 7500+ | $0.5680 | $4260.00 |
| 10000+ | $0.5660 | $5660.00 |
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