| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LH0052C |  204Kb/12P | Low Cost FET Op Amp |
 National Semiconductor ... | LH0052 |  204Kb/12P | Low Cost FET Op Amp |
| LH0053 |  184Kb/6P | HIGH SPEED SAMPLE AND HOLD AMPLIFIER |
| LH0053C |  184Kb/6P | HIGH SPEED SAMPLE AND HOLD AMPLIFIER |
| LH0053CG |  184Kb/6P | HIGH SPEED SAMPLE AND HOLD AMPLIFIER |
| LH0053G |  184Kb/6P | HIGH SPEED SAMPLE AND HOLD AMPLIFIER |
 National Semiconductor ... | LH0003 |  106Kb/4P | Wide Bandwidth Operational Amplifier |
 National Semiconductor ... | LH0004 |  128Kb/6P | LH0004 High Voltage Operational Amplifier |
 National Semiconductor ... | LH0004CH |  128Kb/6P | LH0004 High Voltage Operational Amplifier |
| LH0004H |  128Kb/6P | LH0004 High Voltage Operational Amplifier |