| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LH0037C |  201Kb/3P | Low cost Instrumentation Amplifier |
| LH0037CG |  201Kb/3P | Low cost Instrumentation Amplifier |
 National Semiconductor ... | LH0037CG |  201Kb/3P | Low cost Instrumentation Amplifier |
| LH0037G |  201Kb/3P | Low cost Instrumentation Amplifier |
 National Semiconductor ... | LH0037 |  201Kb/3P | Low cost Instrumentation Amplifier |
| LH0038 |  377Kb/11P | TRUE INSTRUMENTATION AMPLIFIER |
| LH0038C |  377Kb/11P | TRUE INSTRUMENTATION AMPLIFIER |
| LH0038CD |  377Kb/11P | TRUE INSTRUMENTATION AMPLIFIER |