The ADXL322 is a small, thin, low power, complete, dual-axis accelerometer with signal conditioned voltage outputs, which are all on a single monolithic IC. The product measures acceleration with a full temperature compensation, has a 2 mg resolution and a 60 Hz bandwidth. This product is suitable for cost-sensitive motion and tilt sensing applications, such as smart hand-held devices, mobile phones, sports and health-related devices, PC security and PC peripherals.
The ADXL322 is a dual‑axis accelerometer offered in a 4 mm × 4 mm × 1.45 mm LFCSP package. It provides signal‑conditioned voltage outputs and operates from a single supply voltage. The device measures both dynamic acceleration (vibration) and static acceleration (gravity) with a full‑scale range of ±2 g.
Key features include low power consumption (0.45 mA), selectable bandwidth from 0.5 Hz to 2.5 kHz via external capacitors, high shock tolerance (10,000 g), and a typical noise density of 220 µg/√Hz. The accelerometer is supplied by Analog Devices and is suitable for cost‑sensitive motion‑ and tilt‑sensing applications such as handheld devices, mobile phones, and PC peripherals.
| Measurement Range | +2 g |
|---|---|
| Sensitivity (typical) | 420 mV/V/g |
| Noise Density | 220 µg/√Hz (typ) |
| Quiescent Supply Current | 0.45 mA |
| Bandwidth (selectable) | 0.5 Hz to 2.5 kHz |
| Shock Survival | 10,000 g |
| Package | 4 mm × 4 mm × 1.45 mm LFCSP, 16‑lead |
The ADXL322 measures acceleration with a full‑scale range of ±2 g.
The typical noise density is 220 µg/√Hz at 25 °C.
Bandwidth is set by external capacitors Cx and Cy, allowing selection from 0.5 Hz to 2.5 kHz.