Texas Instruments OPA2227 OPA4227 OPA2228 OPA4228 User Manual and Specifications
Summary
These high-precision operational amplifiers deliver reliable performance with wide bandwidths up to 33MHz and exceptionally low noise. Ideal for professional audio, data acquisition, telecom, and geophysical applications. The manual provides detailed specifications on low input bias current, voltage range, and high Common Mode Rejection Ratio (CMRR). Available as pin-for-pin replacements for industry standards like the OP-27, these robust chips ensure superior signal integrity in demanding environments.
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 26 |
| File Size | 789.19 KB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What industry challenges do the OPA227 and OPA228 series address?
They function as pin-for-pin replacements for standard models like OP-27, OP-37, LT1007, and LT1037, while offering substantial improvements in performance.
What is the optimal noise level these op amps provide?
The components feature low noise, measuring 3nV/√Hz at f = 1kHz, making them ideal for professional audio equipment.
Are these chips suitable for specialized environments (automotive/military)?
No. They are neither designed nor intended for use in military/aerospace or automotive applications unless they are specifically designated as compliant by TI.
What is the documented operating temperature range?
The operation of the op amps is specified to function reliably from –40°C to +85°C operating temperatures.