What the 28 MHz gain-bandwidth and 11 V/µs slew rate mean for your signal chain
The AD8656ARZ-REEL7 is a dual CMOS op-amp from Analog Devices' DigiTrim® family, offering a 28 MHz gain-bandwidth product and an 11 V/µs slew rate. That bandwidth comfortably handles audio processing, active filters up to a few megahertz, and fast sensor conditioning — think photodiode amplifiers or ADC drivers where you need to preserve signal edges without slew-induced distortion. The 1 pA input bias current (typical) means you can use high-value feedback resistors in transimpedance stages without adding DC offset errors, a clear advantage over bipolar-input parts in high-impedance applications.
220 mA output drive — a buffer in its own right
Each channel can source or sink 220 mA, which is unusually high for a CMOS op-amp. That lets it drive headphones, small solenoids, or a second-stage filter directly, often eliminating a separate buffer transistor or line driver.
Temperature range and package — industrial-ready in a hand-solderable SOIC
The 8-SOIC package (0.154" wide, 3.90 mm body) is easy to hand-solder or reflow, and the surface-mount footprint is standard. The -REEL7 suffix means it ships on a 7" reel (Tape & Reel), but it's also available in cut tape for smaller quantities.
Lifecycle and compliance — active, ROHS3, no end-of-life concern
It's ROHS3 compliant, which covers the latest EU restriction updates.