475 nA supply — the defining spec for battery-life budgeting
The LPV521MGX/NOPB draws 475 nA typical supply current, which sets it apart from general-purpose op-amps that burn microamps. In a wireless sensor node that sleeps 99 % of the time, this amplifier's quiescent current is below the self-discharge rate of a CR2032 coin cell — the battery shelf life, not the op-amp, becomes the lifetime limit. Supply span runs from 1.6 V to 5.5 V, so a single alkaline cell (1.6 V fresh) or a Li-ion cell (4.2 V) powers the amplifier without a boost converter. The rail-to-rail input/output topology keeps the signal swing close to the supply rails, preserving dynamic range at low Vcc.
6.2 kHz GBP and 0.04 pA bias — signal-chain fit
The 6.2 kHz gain-bandwidth product means the closed-loop bandwidth at a gain of 10 is roughly 620 Hz — adequate for DC sensor conditioning, thermocouple amplification, or low-frequency vibration monitoring, but not for audio or switching regulator feedback. The 0.0027 V/µs slew rate confirms the bandwidth ceiling: a 1 V peak output at 1 kHz would slew at 6.28 V/µs if the amplifier could deliver it, but the actual slew rate limits full-power bandwidth to about 430 Hz. Input bias current is 0.04 pA typical — negligible for high-impedance sources. A pH probe with 100 MΩ source impedance sees only 4 µV of voltage error from bias current, well below the 100 µV input offset voltage. The offset itself is moderate for a nanopower amplifier; it trims to zero with a servo loop or digital calibration in the ADC domain. Output current capability is 23 mA — enough to drive a microcontroller ADC input or a logic gate, but not a relay coil or LED directly. For loads above a few mA, the output voltage swing pulls away from the rails; the datasheet's Voh/Vol curves under load should be checked against the downstream input threshold.
SC-70-5 package and industrial temperature grade
The SC-70-5 (SOT-353) package occupies about 2 mm × 2.1 mm of board area — the smallest 5-pin footprint for this pinout. Surface-mount assembly is standard; the 0.65 mm pin pitch is hand-solderable with a fine tip. Tape & Reel is the production format; Cut Tape is available for prototype quantities. Operating temperature range is -40 °C to 125 °C — industrial grade. This covers outdoor sensor enclosures, engine-bay signal conditioning, and cold-chain monitoring without a separate temperature-compensated enclosure.
Active lifecycle — no EOL watch needed
The LPV521MGX/NOPB carries an Active product status — the manufacturer continues to produce it with no announced end-of-life. ROHS3 compliant with no exemption issues for EU or California markets.