MCP4132-103E/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip MCP4132-103E/P is a single-channel digital potentiometer featuring 10 kΩ end-to-end resistance with 129-position linear taper and SPI-compatible serial interface. It offers a nominal bandwidth of 1 kHz, comes in an 8-pin PDIP package, and is RoHS-compliant for prototyping and production designs.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4132-103E/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1623(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 10 kΩ end-to-end resistance with 129-position linear taper for fine adjustment
- SPI-compatible increment/decrement serial control interface
- Nominal signal bandwidth of 1 kHz for stable resistive control
- 8-pin PDIP package for breadboard prototyping and through-hole assembly
- RoHS-compliant lead-free construction
- Single-channel digital potentiometer for simplified circuit integration
Applications
The MCP4132 is used in audio signal processing, programmable gain amplifiers, and sensor calibration circuits requiring a digitally adjustable resistance with SPI control and 129-position resolution. It is also popular in educational and prototyping environments due to its 8-pin PDIP packaging, which allows direct insertion into breadboards and through-hole PCBs for rapid development.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 1kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Positions | 129 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| 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 | NO |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Total Resistance-Nom | 10000Ω |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 129-position resolution of MCP4132-103E/P compare to 64-position alternatives for fine gain tuning?
The MCP4132-103E/P offers 129 discrete wiper positions across a 10 kΩ resistance, yielding approximately 78 Ω per step. Compared to 64-position digital potentiometers with roughly 156 Ω per step, the MCP4132 provides twice the tuning granularity, which benefits precision gain stages and sensor offset calibration needing finer resolution.
Which communication protocol does MCP4132-103E/P use, and what microcontrollers is it compatible with?
The MCP4132-103E/P uses an SPI-compatible serial interface operating in increment/decrement mode, making it compatible with virtually any microcontroller that supports SPI, including AVR, PIC, STM32, and ESP32 families. Only 3 SPI lines are required, simplifying hardware integration in both prototypes and production boards.
Why is the 8-pin PDIP package of MCP4132-103E/P advantageous for development and low-volume production?
The 8-pin PDIP package allows the MCP4132-103E/P to be inserted directly into standard breadboards and through-hole PCBs without soldering, accelerating prototyping and rework. For low-volume production runs, through-hole assembly also reduces specialized SMT tooling requirements, lowering per-board assembly cost.
What lead time should buyers expect for MCP4132-103E/P, and are there surface-mount alternatives in the same family?
The MCP4132-103E/P has a factory lead time of 8 weeks. Buyers needing surface-mount alternatives can consider the MCP4132 in SOIC-8 or TSSOP-8 packages, which share the same electrical specifications and SPI interface, offering flexibility between through-hole prototyping and SMT production builds.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.1637 | $0.16 |
| 25+ | $0.1624 | $4.06 |
| 120+ | $0.1623 | $19.48 |
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