| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | LPC661IM |  311Kb/13P | Low Power CMOS Operational Amplifier |
 National Semiconductor ... | LPC661IN |  311Kb/13P | Low Power CMOS Operational Amplifier |
 National Semiconductor ... | LPC661AIM |  311Kb/13P | Low Power CMOS Operational Amplifier |
 National Semiconductor ... | LPC661AIN |  311Kb/13P | Low Power CMOS Operational Amplifier |
 National Semiconductor ... | LPC661AMN |  311Kb/13P | Low Power CMOS Operational Amplifier |
| LPC661 |  363Kb/17P | Low Power CMOS Operational Amplifier |
| LPC660 |  603Kb/17P | Low Power CMOS Quad Operational Amplifier |
 National Semiconductor ... | LPC660AIM |  603Kb/17P | Low Power CMOS Quad Operational Amplifier |