Dual op amp for signal conditioning on a 2.7-6.5 V rail
The MAX4132ESA+T is a dual general-purpose operational amplifier from Analog Devices, packing two independent channels into an 8-SOIC package. It is built for single-supply or split-supply signal chains where the rail voltage sits between 2.7 V and 6.5 V — think battery-powered instrumentation, sensor front-ends, or ADC drivers that need to swing close to the supply rails.
What the key specs mean for your signal chain
The 10 MHz gain-bandwidth product sets the closed-loop bandwidth for a given gain. At a gain of 10, the -3 dB point lands around 1 MHz — enough for audio, ultrasonic, or fast sensor conditioning. Each channel draws just 1 mA supply current — 2 mA total for both amps. That is a reasonable quiescent budget for a multi-channel board where power dissipation matters. The input bias current is 50 nA typical, which is fine for most sensor interfaces with source impedances under 100 kΩ; higher impedances may need a FET-input op amp instead. Input offset voltage is 250 µV typical — adequate for DC-coupled applications where sub-millivolt precision is not required. The output can source or sink 50 mA per channel, enough to drive a modest load or an ADC input directly.
Analog Devices lists this part as Active in production and RoHS3 compliant, so it is a current-design-viable choice with no imminent end-of-life concern. The Tape & Reel packaging (also available in Cut Tape) suits both prototype runs and volume assembly.