MCP6V28-E/SN Microchip Integrated Circuit (Small Outline Packages) In Stock
MCP6V28-E/SN is a dual-channel precision auto-zero operational amplifier with rail-to-rail input/output by Microchip, in an 8-pin SOIC package. Key specs: 2 MHz bandwidth, 2.3 V to 5.5 V supply, 125 dB CMRR min, 0.005 µA max bias current. From $1.10, in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP6V28-E/SN Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1916(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
- Auto-zero architecture eliminates offset drift, achieving near-zero VOS over the full -40°C to 125°C range
- 125 dB minimum CMRR (142 dB typical) for superior rejection of common-mode noise in sensor interfaces
- Rail-to-rail input and output enables signal swing within millivolts of both supply rails from 2.3 V to 5.5 V
- Ultra-low 0.005 µA max input bias current for high-impedance sensor conditioning without loading errors
- Dual amplifier in compact 8-pin SOIC reduces component count in bridge amplifier and instrumentation designs
Applications
MCP6V28-E/SN is designed for precision signal conditioning in temperature sensing, pressure transducer amplification, and weigh-scale applications where offset drift and noise rejection are critical. Its auto-zero architecture continuously corrects offset voltage, making it suitable for slow-changing sensor signals in industrial and medical equipment operating from a 2.3 V to 5.5 V supply. The dual amplifier configuration simplifies differential-to-single-ended conversion for Wheatstone bridge sensors that require matched channel characteristics and high CMRR.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-8 |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 8Weeks |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.005 µA |
| Common-mode Reject Ratio-Min | 125dB |
| Common-mode Reject Ratio-Nom | 142dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 2 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 | TRAY |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Slew Rate-Nom | 1V/us |
| Supply Current-Max | 0.8mA |
| Supply Voltage Limit-Max | 6.5V |
| Supply Voltage-Nom (Vsup) | 2.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 2000 |
| Voltage Gain-Min | 1778000 |
| 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 MCP6V28-E/SN achieve low offset voltage over temperature?
MCP6V28-E/SN uses an auto-zero (chopper-stabilized) architecture that periodically samples and cancels the input offset, maintaining offset voltage below 5 µV typical and virtually eliminating offset drift over the -40°C to 125°C operating range, which is essential for precision DC measurements in industrial and medical sensor conditioning applications.
What is the CMRR specification of MCP6V28-E/SN and why does it matter for bridge sensor designs?
MCP6V28-E/SN specifies a minimum CMRR of 125 dB and a typical CMRR of 142 dB. In a Wheatstone bridge sensor circuit powered by a 5 V supply, this level of common-mode rejection reduces common-mode interference on the order of millivolts or less at the output, enabling accurate mV-level differential signal extraction even in electrically noisy industrial environments.
Can MCP6V28-E/SN operate in single-supply 3.3 V systems commonly used in low-power IoT designs?
Yes, MCP6V28-E/SN operates from a single supply as low as 2.3 V, making it compatible with 3.3 V IoT and battery-powered systems. Its rail-to-rail output swings within about 25 mV of each supply rail at a 10 kΩ load, maximizing the usable dynamic range and allowing direct interfacing with 12-bit or 16-bit ADCs without additional level shifting.
When would MCP6V28-E/SN be preferred over a standard op-amp for a weigh-scale application?
A standard op-amp with 1 mV typical offset and 5 µV/°C drift would introduce a 600 µV error over a 120°C span, unacceptable for a 0.1 g resolution at full scale. MCP6V28-E/SN's auto-zero architecture keeps offset below 5 µV and drift near 0 µV/°C, meeting the accuracy requirements of precision weigh-scale designs without external trimming or temperature compensation circuits.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.1700 | $2.17 |
| 5+ | $1.6480 | $8.24 |
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| 50+ | $1.1916 | $59.58 |
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