MCP4011-503E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP4011-503E/SN is a single-channel 50 kΩ digital potentiometer with 64 steps controlled via increment/decrement interface. Housed in an 8-pin SOIC package, it provides programmable resistance for audio, calibration, and gain-control applications in compact PCB layouts.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP4011-503E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4900(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
- 64-step 50 kΩ single-channel digital potentiometer delivering fine-grained resistance adjustment via simple up/down increment interface
- Increment/decrement control interface requiring only 2 signal lines, minimizing microcontroller I/O consumption in space-constrained designs
- 8-pin SOIC-8 package enabling drop-in replacement of mechanical trimmer potentiometers in automated production environments
Applications
The MCP4011-503E/SN is used in audio volume control, programmable gain amplifier feedback networks, and sensor calibration circuits where a 50 kΩ resistance range with 64 discrete steps is needed. Its 2-wire increment/decrement interface simplifies firmware integration with any microcontroller GPIO pair, avoiding the need for full SPI or I2C peripheral resources. The compact SOIC-8 form factor suits portable instruments, industrial calibrators, and consumer electronics requiring digitally adjustable biasing.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| 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 | 64 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.23 |
| 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 |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.45mA |
| 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 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP4011-503E/SN:
Digital Potentiometer, 1 Func, 50000ohm, Increment/decrement Control Interface, 64 Positions, CMOS, PDSO8
Frequently Asked Questions
How does the 64-step resolution of the MCP4011-503E/SN translate to resistance per step for a 50 kΩ end-to-end value?
With a 50 kΩ total resistance and 64 steps, each increment or decrement step changes the wiper resistance by approximately 781 Ω (50 000 Ω ÷ 64 steps). This resolution suits audio volume controls, bias adjustment networks, and gain-setting resistor dividers where coarse trimming is acceptable and mechanical trimmer reliability is a concern.
Which gain-control amplifier configurations can use the MCP4011-503E/SN as the feedback or input resistor element?
Non-inverting and inverting op-amp gain stages that use a resistor pair to set gain can employ the MCP4011-503E/SN's 50 kΩ wiper output as one resistor element, providing digitally programmable gain with 64 discrete levels. At 0.2 kHz nominal bandwidth the device is best suited for audio-frequency and low-speed DC trim applications rather than wideband RF or high-speed signal paths.
When choosing between the MCP4011-503E/SN and an SPI-controlled digital potentiometer, what trade-offs should a designer consider?
The MCP4011-503E/SN uses a 2-wire increment/decrement interface that is simpler to implement in firmware but lacks direct absolute position write capability that SPI interfaces offer. If the design requires fast jumping to arbitrary 64-step positions on every power cycle, an SPI device with non-volatile memory is preferable; if the design only needs slow trim adjustments with persistent power-off state retention not required, the increment/decrement MCP4011 reduces firmware complexity and uses fewer GPIO pins.
How does the SOIC-8 package of the MCP4011-503E/SN compare to a through-hole trimmer potentiometer for automated PCB assembly?
The 8-pin SOIC-8 (JESD-30 code R-PDSO-G8) package is fully compatible with automated SMT pick-and-place and reflow soldering, eliminating the manual insertion step required for 3-pin through-hole trimmer potentiometers. This reduces assembly cost and improves soldering consistency in high-volume production, while the 6-week factory lead time should be factored into procurement schedules for volume orders.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.6800 | $0.68 |
| 5+ | $0.6200 | $3.10 |
| 25+ | $0.5800 | $14.50 |
| 100+ | $0.5200 | $52.00 |
| 1000+ | $0.5000 | $500.00 |
| 5000+ | $0.4900 | $2450.00 |
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