MCP6041-E/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP6041-E/MS is a single-channel general-purpose rail-to-rail input/output operational amplifier from Microchip operating up to 6 V. It features an extremely low 5 nA maximum bias current and 62 dB minimum CMRR in a compact 8-pin MSOP package. Ideal for low-power, high-impedance sensor signal conditioning and battery-powered measurement circuits.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP6041-E/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4915(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
- Rail-to-rail input and output swing on a supply of 1.4 V to 6 V enabling full signal range utilization in low-voltage battery-powered sensor designs
- Ultra-low 5 nA maximum input bias current allowing direct connection to high-impedance sensors such as pH electrodes and photodiodes without loading error
- Compact 8-pin MSOP package with 62 dB minimum CMRR and integrated frequency compensation simplifying single-supply signal conditioning circuit layout
Applications
The MCP6041-E/MS is well suited for portable instrumentation and battery-powered sensor nodes where the 1.4 V to 6 V supply range and 5 nA bias current allow direct interfacing with high-impedance electrochemical or resistive sensors without signal attenuation. Its rail-to-rail input and output enable accurate signal conditioning across the full supply voltage window, maximizing dynamic range in low-voltage systems. The device is also used in active filter stages, transimpedance amplifiers for photodiode current sensing, and voltage follower circuits in data acquisition front-ends that require minimal power draw.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | MSOP-8 |
| Factory Lead Time | 11Weeks |
| YTEOL | 8 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.005 µA |
| Common-mode Reject Ratio-Min | 62dB |
| Common-mode Reject Ratio-Nom | 80dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 3000 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.003V/us |
| Supply Current-Max | 0.001mA |
| Supply Voltage Limit-Max | 7V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| 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 |
| Unity Gain BW-Nom | 14 |
| Voltage Gain-Min | 56200 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How low is the input bias current of the MCP6041-E/MS, and which high-impedance sensors can it interface with directly?
The MCP6041-E/MS specifies a maximum input bias current of 5 nA (0.005 µA) at 25°C, low enough to connect directly to pH electrodes with source impedances exceeding 100 MΩ, photodiodes in transimpedance configurations, and piezoelectric sensors without introducing measurable DC offset. For comparison, standard BJT-input op-amps often have bias currents in the microamp range that would cause millivolt-level errors at such high source impedances.
What supply voltage range does the MCP6041-E/MS support, and can it run from a single AA battery?
The MCP6041-E/MS operates from a single supply between 1.4 V and 6 V, which fully covers the discharge curve of a single AA alkaline battery (1.5 V fresh down to about 1.0 V end-of-life with the lower end near the device minimum). For reliable operation across the full battery life, the circuit should include a low-dropout regulator to keep the supply above 1.4 V, but the device comfortably runs at 1.5 V to 3 V for most of the battery's useful life.
What does rail-to-rail input/output mean for the MCP6041-E/MS in a 3.3 V single-supply data acquisition circuit?
Rail-to-rail input means the common-mode input voltage can range from 0 V to 3.3 V (the supply), so signals near either rail are amplified without clipping. Rail-to-rail output means the output can swing within a few millivolts of both 0 V and 3.3 V under light load, giving an effective output range of at least 3.25 V out of a 3.3 V supply. This maximizes the ADC input range utilization and preserves full 12-bit or 16-bit code coverage without level-shifting buffers.
How does the 8-pin MSOP footprint of MCP6041-E/MS compare to the SOIC-8 version in terms of PCB board space savings?
The 8-pin MSOP package occupies approximately 3 mm x 3 mm versus roughly 5 mm x 4 mm for an equivalent SOIC-8 body, reducing the PCB footprint by about 55%. In densely packed portable instruments or IoT sensor nodes with limited board real estate, the MSOP variant of the MCP6041 allows more functionality per square centimeter without any change in electrical performance, since the die and specifications are identical across both packages.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7230 | $0.72 |
| 25+ | $0.6144 | $15.36 |
| 100+ | $0.5683 | $56.83 |
| 250+ | $0.4915 | $122.88 |
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