350 kHz GBW, 0.11 V/µs — what the slew rate means for your signal chain
The LPC660IMX is a quad CMOS operational amplifier with 350 kHz gain-bandwidth product and 0.11 V/µs slew rate. Total supply current is 160 µA for all four amplifiers. The CMOS input stage delivers an input bias current of 0.002 pA, which is the standout spec for high-impedance sources: pH probes, photodiode detectors, or electrochemical sensor front-ends where bias current drift would swamp the measurement.
14-SOIC package and industrial temperature range
Housed in a 14-SOIC (0.154" width, 3.90 mm body,) with a surface-mount footprint that matches the industry-standard SOIC-14 land pattern. A note on supply decoupling: with four amplifiers sharing a common supply rail, a 0.1 µF ceramic close to each supply pin pair and a 10 µF bulk capacitor on the board side keeps the 350 kHz GBW loop stable. The CMOS output stage is short-circuit protected to the absolute maximum, but for sustained fault conditions external current limiting is recommended.
However, the part is listed as RoHS non-compliant, which is a critical flag for designs destined for markets with RoHS enforcement (EU, UK, California, etc.). If your BOM requires full RoHS compliance, you will need to evaluate an exemption or select a pin-compatible alternative. The non-compliant status typically means the die-attach or lead finish contains lead — verify against your own exemption policy.