MCP606-I/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP606-I/SN is a single rail-to-rail output operational amplifier from Microchip with only 25 µA supply current, a 2.5 V minimum supply voltage, and 91 dB typical CMRR. It features 80 pA maximum input bias current and is housed in an SOIC-8 package for surface-mount assembly. Designed for battery-powered sensors, portable instrumentation, and low-power active filter stages in consumer and industrial equipment.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP606-I/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7400(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 MCP606-I/SN?
- 25 µA maximum supply current for ultra-low-power battery-operated designs
- 2.5 V minimum supply voltage compatible with single-cell and coin-cell battery systems
- Rail-to-rail output swing maximizes signal range at low supply voltages
- 80 pA maximum input bias current for high-impedance sensor buffering
- 91 dB typical CMRR for accurate single-ended and differential signal amplification
- SOIC-8 package with RoHS-compliant Pb-free finish for standard SMT assembly
What is MCP606-I/SN used for?
The MCP606-I/SN is optimized for always-on sensor nodes and IoT edge devices where total system current budget may be under 100 µA and supply voltage may drop to 2.5 V at end-of-battery life. Its 80 pA maximum bias current makes it a natural fit for buffering resistive bridge, thermistor, and pH electrode outputs without loading the sensor element. Active low-pass filter stages in heart-rate monitors, environmental loggers, and 4–20 mA loop transmitters also benefit from its combination of low power and high CMRR.
What are the specifications of MCP606-I/SN?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.00008 µA |
| Common-mode Reject Ratio-Min | 75dB |
| Common-mode Reject Ratio-Nom | 91dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 250 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | YES |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Slew Rate-Nom | 0.08V/us |
| Supply Current-Max | 0.025mA |
| Supply Voltage Limit-Max | 7V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 155 |
| Voltage Gain-Min | 100000 |
| 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 |
Where can I find the MCP606-I/SN datasheet?
MCP606-I/SN Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP606-I/SN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 25 µA supply current of the MCP606-I/SN extend battery life in a coin-cell IoT sensor node?
Drawing only 25 µA from a 3 V CR2032 coin cell (capacity approximately 220 mAh), the MCP606-I/SN op-amp alone would run for over 8,800 hours — more than a year of continuous operation — before the battery is depleted. In practice, duty-cycled sensor nodes that are active 1% of the time effectively reduce the quiescent contribution to sub-µA equivalent average current, making the MCP606-I/SN an excellent front-end choice for 5-year-lifetime wireless sensor designs.
Can the MCP606-I/SN accurately buffer a 10 kΩ resistive bridge output at 3 V supply for a 12-bit ADC?
Yes. With a maximum input bias current of 80 pA across a 10 kΩ source impedance, the MCP606-I/SN introduces only 0.8 µV of bias-current-induced offset — negligible relative to the LSB size of 730 µV for a 12-bit ADC on a 3 V reference. The 91 dB typical CMRR also suppresses supply-rail ripple below 3 µV referred to input, ensuring the ADC conversion error remains dominated by quantization noise rather than amplifier errors.
How does the MCP606-I/SN SOIC-8 package compare with SOT-23-5 alternatives when routing a low-pass filter with external resistors?
The SOIC-8 package provides 8 pins with 1.27 mm lead pitch, giving 3 spare pins for connecting passive filter components (R and C) without requiring vias or jumper wires that would be necessary with a 5-pin SOT-23-5. This simplifies PCB layout for a 2nd-order Sallen-Key filter using resistors of 10 kΩ and capacitors of 10 nF, reducing the risk of layout-induced noise pickup. The SOIC footprint also makes hand soldering and visual inspection easier during prototyping compared to 0.95 mm-pitch SOT-23-5 alternatives.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9400 | $0.94 |
| 10+ | $0.8400 | $8.40 |
| 25+ | $0.8200 | $20.50 |
| 100+ | $0.7600 | $76.00 |
| 5000+ | $0.7400 | $3700.00 |
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