Quad op-amp in a compact 14-TSSOP
The LP324MTX/NOPB is a quad general-purpose operational amplifier from Texas Instruments in a 14-TSSOP package. It packs four independent op-amp channels into a 4.40 mm-wide surface-mount footprint, making it a solid fit for multi-channel signal conditioning on space-constrained boards.
Low-power rail with a 100 kHz bandwidth
Each amplifier draws just 85 µA of supply current, yet delivers a 100 kHz gain-bandwidth product and a 0.05 V/µs slew rate. That combination is tuned for low-frequency sensor amplification, active filtering below 10 kHz, and DC-level shifting where power budget matters more than speed. Input offset voltage is 2 mV typical, with 2 nA input bias current — adequate for non-critical DC accuracy in thermocouple or bridge-amplifier stages where a few millivolts of offset can be trimmed or tolerated. Output can source or sink 10 mA per channel, enough to drive the input of an ADC or a logic gate directly. The supply span runs from 3 V to 32 V, so it works off a single 5 V rail or a split ±15 V supply without a change in pinout.
Active production, ROHS3, and sourcing posture
Texas Instruments lists the LP324MTX/NOPB as Active in production with ROHS3 compliance. It is supplied in Tape & Reel (TR) or Cut Tape (CT) options, which suits both volume pick-and-place and prototype hand-assembly. The 14-TSSOP body is hand-solderable with a fine-tip iron and some patience — the 0.65 mm pin pitch is forgiving for a maker bench.