1 MHz GBW, 0.4 V/µs slew — signal conditioning ceiling
The MAX4247AUB+ is a dual-channel general-purpose operational amplifier from Analog Devices with a 1 MHz gain-bandwidth product and 0.4 V/µs slew rate (cites:,). This combination sets the small-signal bandwidth ceiling — for a unity-gain follower, the -3 dB point lands near 1 MHz, while the slew rate limits full-scale output swing to roughly 200 kHz at 2 Vpp. It is a fit for low-frequency sensor amplification, active filtering below 100 kHz, and level-shifting stages where the input signal does not require fast edge rates.
Rail-to-rail output, 375 µA per channel — power-constrained BOM fit
Each of the two amplifiers draws 375 µA supply current and swings within millivolts of both supply rails (cites:,). The rail-to-rail output stage preserves dynamic range in low-voltage single-supply designs — a 3.3 V system can swing a 0.1 V to 3.2 V output without clipping. The 30 mA per-channel output drive is sufficient to bias an ADC input or drive a modest cable capacitance (cites:). These numbers place the part in the general-purpose precision band — adequate for thermocouple or strain-gauge front-ends where the signal is in the millivolt range.