The LMC6042 is a low power dual-channel operational amplifier produced by National Semiconductor Corporation. This chip uses the company's advanced double polysilicon gate CMOS process and has the characteristics of ultra-low power consumption and low input leakage current. LMC6042 operating voltage range is 4.5V to 15V, single power supply, output swing to each power rail, input voltage range including ground, can be used for battery monitoring and power conditioning, photodiode and infrared detector preamplifier, silicon based transducer systems, handheld analytical instruments, pH probe buffer amplifier, fire and smoke detection systems, piezo electric sensor charge amplifier etc.
The document describes the LMC6042 CMOS Dual Micropower Operational Amplifier, highlighting its features such as ultra-low input leakage current (typical 2 fA) and low supply current. It is suitable for single-supply battery-powered systems due to rail-to-rail output swing and insensitivity to latch-up.
| Supply Current (Typical) | 10 pA/Amp |
|---|---|
| Operating Supply Voltage Range | 4.5V to 15V |
| Input Current (Typical) | 2 fA |
| Output Swing | Rail-to-rail |
| Input Common-Mode Range | Includes ground |
The device provides an input current of only 2 fA typical.
It operates from a single supply ranging from 4.5V to 15V.