MCP6275-E/MS Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip MCP6275-E/MS is a dual rail-to-rail output op-amp with 2 MHz gain-bandwidth product and chip-select shutdown in an 8-pin MSOP package. It features 5 nA typical bias current and 85 dB CMRR for precision low-power signal conditioning. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP6275-E/MS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5850(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
- Dual op-amp with 2 MHz gain-bandwidth product and rail-to-rail output swing enabling accurate signal conditioning from 1.8 V to 5.5 V single-supply systems
- Chip-select (CS) shutdown pin reduces supply current to under 1 µA per amplifier, ideal for duty-cycled portable and IoT sensor designs
- Ultra-low 5 nA typical input bias current and 85 dB common-mode rejection ratio deliver precision performance in high-impedance sensor interfaces
- Compact 8-pin MSOP package with 0.65 mm pitch saves board space versus standard SOIC-8 by approximately 50%
Applications
The MCP6275-E/MS is designed for portable medical devices, wearable sensors, and battery-powered data loggers where both low quiescent current and precision analog conditioning are required simultaneously. The chip-select shutdown feature enables microcontroller-gated power management, allowing the op-amp pair to be disabled between measurement cycles to extend battery life in IoT edge nodes. Its 2 MHz bandwidth is well-matched to audio-frequency signal chains, strain-gauge bridges, and photodiode transimpedance amplifier stages operating from single 3.3 V or 5 V rails.
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 | 65dB |
| Common-mode Reject Ratio-Nom | 85dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 5000 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Number of Functions | 2 |
| 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 | 0.9V/us |
| Supply Current-Max | 0.48mA |
| 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 | 2000 |
| Voltage Gain-Min | 31620 |
| 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 does the chip-select pin on MCP6275-E/MS enable power savings in a duty-cycled sensor application?
When the CS pin is asserted low, both amplifiers enter shutdown mode and draw less than 1 µA combined supply current, compared to roughly 650 µA during active operation. A microcontroller GPIO can toggle the CS pin to activate the op-amp only during a 1 ms measurement window every second, reducing average current consumption by over 99% and extending a 100 mAh coin cell to months of runtime.
What is the gain-bandwidth product and unity-gain phase margin of MCP6275-E/MS?
The MCP6275-E/MS specifies a gain-bandwidth product of 2 MHz with a unity-gain phase margin of approximately 60 degrees, ensuring stable operation in gains of 1 and above. This bandwidth accommodates audio-frequency filters up to 20 kHz with gains up to 100 V/V, covering most portable sensor conditioning requirements without external compensation.
Can MCP6275-E/MS drive capacitive loads directly, such as an ADC sample-and-hold input?
The MCP6275-E/MS is stable driving capacitive loads up to approximately 100 pF directly at unity gain. For larger capacitive loads typical of ADC inputs (200 pF to 1 nF), inserting a small series resistor of 10 ohms to 100 ohms between the output and the load restores phase margin and prevents oscillation in transimpedance or buffer configurations.
How does the input bias current of MCP6275-E/MS compare to standard CMOS op-amps for a high-impedance pH sensor interface?
The MCP6275-E/MS has a typical input bias current of only 5 nA, which produces a 5 mV offset error across a 1 MΩ source impedance—acceptable for most pH electrode interfaces. Standard CMOS op-amps in the same class typically specify 1 pA to 10 pA bias current, but the MCP6275's 65 dB minimum CMRR and rail-to-rail output swing offer advantages in single-supply battery systems.
Which supply voltage range does MCP6275-E/MS support, and how does it behave near the supply rails?
The MCP6275-E/MS operates from 1.8 V to 5.5 V single supply (or ±0.9 V to ±2.75 V dual supply) with rail-to-rail output swing that comes within 20 mV of both supply rails at 2 kΩ load. This characteristic preserves the full dynamic range in 3.3 V single-supply systems, where a non-rail-to-rail output would lose over 300 mV of headroom and clip low-amplitude sensor signals.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.8800 | $0.88 |
| 25+ | $0.7300 | $18.25 |
| 100+ | $0.6700 | $67.00 |
| 7500+ | $0.5930 | $4447.50 |
| 10000+ | $0.5910 | $5910.00 |
| 15000+ | $0.5850 | $8775.00 |
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