MCP4132-104E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4132-104E/SN is a single-channel 7-bit digital potentiometer with 100 kΩ end-to-end resistance, controlled via an increment/decrement SPI interface in an SOIC-8 package. It supports 128 wiper positions with 0.1 kHz bandwidth for volume and gain control. Available with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4132-104E/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
Key Features
- Single-channel 7-bit digital potentiometer with 100 kΩ end-to-end resistance and 128 wiper positions for fine-grained analog adjustment
- Simple increment/decrement SPI control interface eliminates the need for parallel I/O lines, reducing microcontroller pin usage to just 3 wires
- SOIC-8 package provides a familiar, easy-to-solder footprint suitable for prototyping and volume production of audio and sensor-trim circuits
Applications
The MCP4132-104E/SN is used in audio volume-control stages, programmable gain amplifiers, and LCD contrast-adjustment circuits where a mechanical potentiometer must be replaced with a digitally controlled equivalent. Its 100 kΩ resistance and 128 steps allow smooth, repeatable gain setting in test and measurement equipment. The SPI increment/decrement interface simplifies firmware integration on any microcontroller with a hardware or bit-banged SPI port.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 7Weeks |
| YTEOL | 9 |
| Bandwidth-Nom | 0.1kHz |
| 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 | 100000Ω |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many wiper positions does the MCP4132-104E/SN provide and what resistance step size does each represent?
The MCP4132-104E/SN provides 128 wiper positions across a 100 kΩ end-to-end resistance, yielding an approximate step size of 781 Ω per increment. This resolution is sufficient for audio volume controls and sensor-calibration trims where coarse but repeatable adjustment is acceptable.
What SPI command interface does the MCP4132-104E/SN use and at what clock frequency can it operate?
The MCP4132-104E/SN uses an SPI-compatible increment/decrement command interface supporting clock rates up to 10 MHz, making it compatible with virtually all microcontroller SPI peripherals operating at 3.3 V or 5 V. The simple up/down command set requires minimal firmware overhead.
In which supply voltage range does the MCP4132-104E/SN operate and how does the 'E' temperature suffix affect design choices?
The MCP4132-104E/SN operates from 1.8 V to 5.5 V supply voltage, covering both 3.3 V and 5 V system rails. The 'E' temperature suffix denotes an extended industrial temperature range of -40 °C to +125 °C, making it suitable for automotive-adjacent and outdoor industrial applications.
When would an engineer select the MCP4132-104E/SN with 100 kΩ over a lower-resistance variant like the 10 kΩ MCP4132-103?
The 100 kΩ variant (MCP4132-104) draws less current from the driving source than the 10 kΩ variant, reducing power consumption in high-impedance signal paths such as op-amp feedback networks, oscillator tuning, and bias-point adjustment where source impedances exceed 1 kΩ.
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| 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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