| OP27: Low Noise, Precision Operational Amplifier |
| OP270: Dual Very Low Noise Precision Operational Amplifier |
| OP270S: Aerospace Dual Very Low Noise Precision Op Amp |
| OP271: High Speed, Dual Operational Amplifier |
| OP275: Dual Bipolar/JFET, Audio Operational Amplifier |
| OP279: Rail-to-Rail High Output Current Operational Amplifier |
| OP27S: Aerospace Low Noise Precision Op Amp |
