SBOS925A December 2020 – January 2021 OPA391
The OPA391 features a unique combination of high bandwidth (1 MHz) along with very low quiescent current (24 µA) in a high-precision amplifier. These features combined with rail-to-rail input and output make this device an exceptional choice in high-gain, low-power applications. Ultra-low input bias current of 10 fA, only 45 µV of offset (maximum), and 1.2 µV/°C of drift over temperature help maintain high precision in ratiometric and amperometric sensor front ends that have demanding low-power requirements.
The OPA391 uses Texas Instrument's proprietary e‑trim™ operational amplifier technology, enabling a unique combination of ultra-low offset and low input offset drift without the need for any input switching or auto-zero techniques. The CMOS-based technology platform also features a modern, robust output stage design that is tolerant of high output capacitance, alleviating stability problems that are common in typical low-power amplifiers.
|PART NUMBER||PACKAGE(1)||BODY SIZE (NOM)|
|OPA391||SC-70 (5)||2.00 mm x 1.25 mm|