AD8224 is a precision, dual-channel, JFET input, rail-to-rail instrumentation amplifier. It features low input currents, high CMRR, excellent ac specifications, and low power consumption.
The AD8224 is a dual‑channel, JFET‑input instrumentation amplifier offered in a compact 4 mm × 4 mm LFCSP package. It provides rail‑to‑rail output, low input bias current, and high common‑mode rejection, making it suitable for portable, battery‑powered instrumentation and remote‑sensor applications.
The document includes detailed electrical specifications, pin descriptions, functional block diagrams, and application notes such as driving ADCs and configuring differential outputs. It also provides ordering information and revision history for the part.
| Input Bias Current (typical) | 10 pA |
|---|---|
| Quiescent current (per amplifier) | 750 µA typ |
| Bandwidth (G=1) | 1.5 MHz |
The AD8224 typically has an input bias current of 10 pA.
At a gain of 10, the AD8224 provides a CMRR of 94 dB minimum and 100 dB typical.