MCP603-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip MCP603-I/P is a single rail-to-rail operational amplifier with 75 dB minimum CMRR, 60 pA maximum bias current, and frequency compensation in an 8-pin PDIP package. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP603-I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4390(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP603-I/P?
- Rail-to-rail output swing enabling full supply voltage utilization in single-supply 2.7 V to 6 V systems
- Ultra-low 60 pA maximum input bias current (0.00006 µA) minimizing error in high-impedance sensor interfaces
- 90 dB typical CMRR with internal frequency compensation for stable precision signal conditioning without external components
What is MCP603-I/P used for?
The MCP603-I/P is suited for single-supply precision signal conditioning in battery-operated sensors, data acquisition front ends, and low-power instrumentation where rail-to-rail output swing maximizes dynamic range. Its extremely low 60 pA input bias current makes it ideal for high-impedance electrochemical sensors, photodiode transimpedance amplifiers, and pH electrode interfaces where leakage current would otherwise introduce measurement errors. The 8-pin PDIP package provides easy prototyping and breadboard compatibility for embedded analog circuit development.
What are the specifications of MCP603-I/P?
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 8 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.00006 µA |
| Common-mode Reject Ratio-Min | 75dB |
| Common-mode Reject Ratio-Nom | 90dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 3000 µV |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Slew Rate-Nom | 2.3V/us |
| Supply Current-Max | 0.325mA |
| Supply Voltage Limit-Max | 7V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 2800 |
| Voltage Gain-Min | 56200 |
| Wideband | NO |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Thailand |
Where can I find the MCP603-I/P datasheet?
MCP603-I/P Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP603-I/P?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input bias current of the MCP603-I/P and why does it matter for high-impedance sensor circuits?
The MCP603-I/P has a maximum input bias current of 0.00006 µA (60 pA), which is extremely low and causes negligible voltage error even with source impedances in the megaohm range. For a pH electrode or photodiode circuit with 10 MΩ source impedance, 60 pA of bias current produces only 0.6 mV of error, preserving measurement accuracy in precision analog front-end designs.
What is the common-mode rejection ratio of the MCP603-I/P and how does it benefit differential signal amplification?
The MCP603-I/P achieves a minimum CMRR of 75 dB and a typical CMRR of 90 dB, meaning common-mode noise on both input terminals is attenuated by at least 75 dB relative to the differential signal. In a 5 V single-supply circuit amplifying a small differential sensor signal, 90 dB CMRR reduces 100 mV of 50 Hz power-line common-mode interference to under 3 µV at the output, significantly improving signal-to-noise ratio.
Does the MCP603-I/P support single-supply operation and what supply voltage range is it compatible with?
Yes, the MCP603-I/P is designed for single-supply operation with rail-to-rail output, making it compatible with supply voltages from 2.7 V to 6 V. This voltage range covers 3.3 V and 5 V logic rails commonly found in microcontroller-based systems, enabling the op-amp to be powered directly from the system supply without a dedicated bipolar supply or charge pump.
How does prototyping with the MCP603-I/P in PDIP-8 package compare to using an SOT-23 surface-mount version?
The PDIP-8 package with 2.54 mm pin pitch fits standard breadboards and DIP sockets, making it ideal for rapid prototyping, lab evaluation, and educational use without soldering. For production designs where board space below 10 mm² is required, migrating to an equivalent SOT-23-5 or SOIC-8 surface-mount variant is recommended, but the PDIP-8 MCP603-I/P delivers identical 75 dB CMRR and 60 pA bias current specifications for design verification.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.6700 | $0.67 |
| 25+ | $0.5600 | $14.00 |
| 100+ | $0.5000 | $50.00 |
| 7500+ | $0.4444 | $3333.00 |
| 10020+ | $0.4433 | $4441.87 |
| 15000+ | $0.4390 | $6585.00 |
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