收购BB以及NS的缘故，现在的音频领域TI是当之无愧的集大成者
| OPA827 | OPA627 | OPA1641 | OPA1611 | LME49710 | |
| Input stage structure | JFET | JFET | JFET | Bipolar | Bipolar |
| Input offset voltage | 0.075mV | 0.28mV | 1mV | 0.1mV | 0.05mV |
| Input noise voltage(1KHz) | 3.8nV/sqrt(Hz) | 5.6nV/sqrt(Hz) | 5.1nV/sqrt(Hz) | 1.1nV/sqrt(Hz) | 2.5nV/sqrt(Hz) |
| 1/f corner frequency | 20Hz | 80Hz | 20Hz | 20Hz | N.A. |
| Input current noise(1KHz) | 2.2fA/sqrt(Hz) | 2.5fA/sqrt(Hz) | 0.8fA/sqrt(Hz) | 1.7pA/sqrt(Hz) | 1.6pA/sqrt(Hz) |
| THD+N(%) 1KHz/1Kohm | 0.00004 | 0.00003 | 0.00005 | 0.000015 | 0.00003 |
| Slew rate(V/us) | 28 | 55 | 20 | 27 | 20 |
| Gain Bandwidth(MHz) | 55 | 16 | 11 | 40 | 55 |