MCP6021RT-E/OT Microchip Integrated Circuit (SOT23 (5-Pin)) In Stock
MCP6021RT-E/OT is a single general-purpose rail-to-rail input/output operational amplifier from Microchip operating up to 5.5 V supply with 90 dB typical CMRR and 5 pA bias current in a tiny 5-pin SOT-23 package. It suits portable sensor conditioning, active filtering, and precision signal amplification in low-voltage embedded systems.
- Manufacturer
- Microchip
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- MCP6021RT-E/OT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3106(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 maximizing signal range at supply voltages up to 5.5 V
- 90 dB typical CMRR providing excellent common-mode noise rejection in differential signal paths
- Ultra-low 5 pA typical input bias current minimizing errors with high-impedance sensors
- Single-amplifier SOT-23-5 package enabling compact single-channel signal conditioning
- Voltage-feedback architecture with internal frequency compensation for straightforward stability
- RoHS-compliant, Pb-free SOT-23-5 package for automated surface-mount assembly
Applications
The MCP6021RT-E/OT serves as a precision signal conditioning amplifier in portable sensor interfaces, IoT sensor nodes, and battery-powered measurement instruments that operate from 1.8 V to 5.5 V supply rails. Its rail-to-rail output swing ensures maximum ADC input range utilization, while the 5 pA bias current makes it ideal for buffering high-impedance pH or photodiode sensors without loading error. The device is also used in active low-pass and band-pass filter stages in audio and low-frequency instrumentation designs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOT-23-5 |
| Factory Lead Time | 5Weeks |
| YTEOL | 8 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.005 µA |
| Common-mode Reject Ratio-Min | 74dB |
| Common-mode Reject Ratio-Nom | 90dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 2500 µV |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Slew Rate-Nom | 7V/us |
| Supply Current-Max | 1.35mA |
| 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 | 0.95mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 10000 |
| Voltage Gain-Min | 31620 |
| Wideband | NO |
| ## MCP6021RT-E/OT Alternates Showing results | Image |
| Package | SOT23 (5-Pin) |
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
Compatible alternatives and drop-in replacements for MCP6021RT-E/OT:
suggested
suggested
Frequently Asked Questions
What supply voltage range does the MCP6021RT-E/OT support, and does it cover 3.3 V single-supply microcontroller systems?
The MCP6021RT-E/OT operates from a single supply ranging from 1.8 V up to 5.5 V, fully covering 3.3 V microcontroller systems without level shifting. Its rail-to-rail output allows the amplifier output to swing within millivolts of both supply rails, maximizing the usable input range of 3.3 V ADCs and enabling high-fidelity sensor signal conditioning without headroom loss.
For a high-impedance photodiode transimpedance amplifier, how does the MCP6021RT-E/OT's bias current affect measurement accuracy?
The MCP6021RT-E/OT features a maximum average bias current of 5 pA, which introduces negligible leakage error even with high-value feedback resistors in the megaohm range. For a 10 MΩ transimpedance amplifier, a 5 pA bias current produces only 50 µV of output offset, preserving sub-nanoamp photocurrent measurement accuracy without requiring bias-current cancellation networks.
When board space is limited, how compact is the MCP6021RT-E/OT package compared to standard 8-pin SOIC single op-amps?
The MCP6021RT-E/OT uses a 5-pin SOT-23 package with a footprint of approximately 1.6 mm × 2.9 mm, which is roughly 70% smaller than a standard 8-pin SOIC-8 footprint of about 3.9 mm × 4.9 mm. This size advantage is significant for high-density portable PCBs in wearables, hearing aids, and IoT sensor modules where every square millimeter of board area is a design constraint.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
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