Precision instrumentation amp for industrial signal chains
It delivers a 1 MHz -3dB bandwidth with a 1.2V/µs slew rate, making it suitable for amplifying bridge outputs, thermocouple signals, and ECG leads where common-mode rejection and low noise matter. The 60 µV maximum input offset voltage and 2 nA input bias current define its precision floor — adequate for 12-bit systems without external trimming.
Supply range and single-supply operation
Rated for a supply span from 5.2 V to 36 V, the AD622ARZ-RL runs on a single 5 V logic rail or a ±15 V split supply without reconfiguration. The 900 µA quiescent current keeps the thermal budget low in multi-channel boards and supports loop-powered 4-20 mA transmitter designs. At 18 mA per channel output drive, it can directly feed a microcontroller ADC input or drive a cable through a series resistor.
Package and footprint reality
The surface-mount package is MSL 1 per Analog Devices standard — no bake required before reflow if the sealed bag is intact. For the rework bench: hot-air profile at 260 °C peak, keep the nozzle off the plastic body to avoid die shift.
Lifecycle and compliance
The tape-and-reel variant (RL suffix) is the standard production reel, not a cut-tape sample.