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
What are the key features of OPA2227U?
- 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
What is OPA2227U used for?
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) |
What are equivalent replacements for OPA2227U?
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.
Related Guides
XITCORP SSD Controllers: RISC-V Architecture and SM2/SM3/SM4 National Cryptography
How XITCORP pairs RISC-V multi-core controllers with hardware SM2/SM3/SM4 national cryptography, AES-256, and TCG Opal 2.0 across its SATA III and PCIe NVMe SSD controller lines.
Jul 12, 2026
SM2, SM3, SM4 National Cryptography in SSDs: A Design Guide for Secure Storage
How hardware SM2/SM3/SM4 engines deliver Guomi-certified full-disk encryption in SSDs, and when to choose national cryptography over AES-256 and TCG Opal 2.0.
Jul 12, 2026
Enterprise vs Industrial SSDs: How to Choose by PLP, DWPD, and Wide-Temperature Endurance
How to pick between enterprise and industrial SSDs using power-loss protection, DWPD/TBW endurance, and -40 to +85C wide-temperature qualification as the deciding factors.
Jul 12, 2026
150141RS73100 Red LED Indicator and Current-Resistor Design Guide
Design a reliable 150141RS73100 red LED indicator with worst-case resistor sizing, GPIO checks, PWM drive, layout, and production validation.
Jul 11, 2026
Why Buy from FindMyChip
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.
More from Texas Instruments
| 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 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”