MCP6142-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The MCP6142-I/P is a dual-channel rail-to-rail general-purpose operational amplifier with ultra-low 5 nA typical input bias current and 80 dB typical CMRR, housed in an 8-pin DIP package. It operates from a wide supply voltage range suitable for single-supply sensor interfaces and signal conditioning. Ideal for battery-powered instruments, pH probes, and precision analog circuits requiring through-hole prototyping.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP6142-I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8200(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 MCP6142-I/P?
- Dual op-amp in a single 8-pin DIP package for two independent amplification channels
- Ultra-low input bias current of 5 nA typical, ideal for high-impedance sensor interfaces
- Rail-to-rail output swing maximizing signal dynamic range on low supply voltages
- 80 dB typical common-mode rejection ratio for accurate differential signal amplification
- RoHS compliant and Pb-free package supporting green design requirements
- Through-hole DIP-8 package suitable for breadboard prototyping and lab development
What is MCP6142-I/P used for?
The MCP6142-I/P is well-suited for high-impedance sensor signal conditioning, such as pH electrodes, photodiode amplifiers, and electrochemical sensors, where its 5 nA bias current avoids loading the source. Its dual-channel configuration in a single DIP-8 package makes it convenient for prototyping two-stage filter designs or differential instrumentation front-ends on breadboards and through-hole PCBs. It also finds use in battery-powered data loggers and portable medical devices that require rail-to-rail output and low quiescent current for extended operation.
What are the specifications of MCP6142-I/P?
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-8 |
| Factory Lead Time | 8Weeks |
| YTEOL | 9 |
| 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 | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Number of Functions | 2 |
| 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 |
| Slew Rate-Nom | 24000V/us |
| Supply Current-Max | 0.002mA |
| 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 | 100 |
| 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 MCP6142-I/P datasheet?
MCP6142-I/P Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP6142-I/P?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What makes the MCP6142-I/P suitable for interfacing with high-impedance pH electrodes or photodiodes?
The MCP6142-I/P has an extremely low input bias current of only 5 nA typical, which means it draws virtually no current from high-impedance sources such as pH glass electrodes or reverse-biased photodiodes, preventing measurement errors and ensuring accurate signal amplification in precision sensing circuits.
How does the rail-to-rail output of the MCP6142-I/P benefit single-supply analog designs running at 3.3V?
With rail-to-rail output capability, the MCP6142-I/P swings within millivolts of both the positive and negative supply rails, providing nearly the full 3.3V dynamic range to downstream ADCs; this avoids signal clipping and maximizes resolution in low-voltage single-supply sensor conditioning circuits.
Can the MCP6142-I/P be used directly in a breadboard prototype, and what are its key package details?
Yes, the MCP6142-I/P comes in an 8-pin DIP (PDIP-8) through-hole package with 2.54 mm pin pitch, making it directly compatible with standard breadboards and prototype PCBs; the dual op-amp configuration provides two independent amplifier channels in a single package for compact lab circuit builds.
What CMRR does the MCP6142-I/P guarantee, and how does it perform in a differential temperature measurement circuit?
The MCP6142-I/P guarantees a minimum CMRR of 62 dB and typically achieves 80 dB, rejecting common-mode noise by a factor of over 10,000 at typical values; in a differential thermocouple or bridge sensor circuit, this high CMRR significantly attenuates 50/60 Hz power-line interference, improving measurement accuracy by reducing errors to the microvolt level.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.1500 | $1.15 |
| 10+ | $0.9500 | $9.50 |
| 25+ | $0.8600 | $21.50 |
| 100+ | $0.8200 | $82.00 |
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