LMC662AIMX – Dual CMOS Operational Amplifier with Ultra-Low Power Consumption

LMC662AIMX is a dual CMOS operational amplifier from Texas Instruments, designed for single-supply operation. It features very low power consumption and high precision, making it ideal for low-power applications. It operates within a supply voltage range of 4.75 V to 15.5 V and offers rail-to-rail output, ensuring the full output voltage swing. With its low input offset voltage and input bias current, the amplifier is suitable for high-impedance applications such as sensors or measurement systems. The LMC662AIMX is widely used in battery-powered systems, measurement devices, and audio or analog applications.

Key features:

• CMOS architecture: provides low input bias current and low offset voltage drift.
• Supply voltage: from 4.75 V to 15.5 V, enabling flexible use in various circuits.
• Rail-to-rail output: allows full utilization of the supply voltage range at the output.
• High voltage gain: typically 126 dB, enabling precise signal amplification.
• Low input offset voltage: maximum 3 mV, with a typical drift of 1.3 µV/°C.
• Very low input bias current: around 2 fA, beneficial for high-impedance applications.
• Bandwidth: 1.4 MHz, suitable for many general-purpose uses.
• Slew rate: 1.1 V/µs, ensuring fast response to input signal changes.
• Package: SOP08, surface mount (SMD).
• Operating temperature range: from -40°C to +85°C, making it suitable for industrial environments.

Applications:

• High-impedance input buffers: ideal for circuit isolation and minimizing load influence.
• Precision current-to-voltage converters: e.g., in measurement circuits.
• Long-term integrators: for use in filters and analog systems.
• Sample-and-hold circuits: in data acquisition systems.
• Peak detectors: in signal analyzers.
• Medical instrumentation: requiring high precision and low power consumption.
• Industrial control: in automation systems.
• Automotive sensors: such as vehicle parameter monitoring systems.

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