OPA2227U Texas Instruments In Stock
OPA2227U is a dual high-precision, low-noise operational amplifier by Texas Instruments, featuring 8nV/√Hz voltage noise and 0.0003% THD. Key specs: ±0.25mV max offset voltage, 80dB CMRR, 8MHz gain-bandwidth product. From $3.90, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $3.8960(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low noise: 8nV/√Hz voltage noise density for precision signal conditioning
- High precision: ±0.25mV max input offset voltage with low drift
- Excellent CMRR: 80dB minimum common-mode rejection ratio
- Dual channel: Two amplifiers in a single SOIC-8 package for space-saving designs
- Wide supply range: Operates from ±2.25V to ±18V supply voltage
Applications
OPA2227U is ideal for precision instrumentation and measurement applications requiring ultra-low noise performance, such as medical equipment, sensor signal conditioning, and audio analysis systems. Its dual-channel configuration and high CMRR make it well-suited for differential signal amplification in data acquisition front-ends. The device is also widely used in active filter designs and precision reference buffer circuits where signal integrity is critical.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage noise of the OPA2227U?
The OPA2227U features an ultra-low input voltage noise density of 8nV/√Hz at 1kHz, making it suitable for precision low-noise amplification applications such as medical instrumentation and sensor interfaces.
What is the supply voltage range for OPA2227U?
The OPA2227U operates over a wide supply voltage range of ±2.25V to ±18V (4.5V to 36V total), providing flexibility for both low-power battery-operated systems and high-voltage industrial applications.
What package does the OPA2227U come in?
The OPA2227U is available in an 8-pin SOIC (Small Outline Integrated Circuit) package, offering a compact footprint suitable for space-constrained PCB designs in dual op-amp configurations.
What are typical applications for the OPA2227U?
Typical applications include precision instrumentation amplifiers, active filters, medical diagnostic equipment, audio signal conditioning, data acquisition systems, and sensor signal amplification where low noise and high accuracy are required.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $10.5000 | $10.50 |
| 2+ | $8.8650 | $17.73 |
| 4+ | $6.6488 | $26.60 |
| 45+ | $4.4954 | $202.29 |
| 58+ | $4.3455 | $252.04 |
| 78+ | $3.8960 | $303.89 |
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