Technical datasheet for the SEIKO EPSON M-A351AS and M-A351AU three-axis accelerometers featuring digital serial interfaces.
The SEIKO EPSON M-A351 series is a wideband three-axis accelerometer series designed for vibration and inclination measurement. It utilizes quartz crystal micro-fabrication technology and incorporates built-in temperature compensation to ensure high accuracy and stability across a wide temperature range. The series offers a measurement bandwidth of up to 100Hz and a data output rate of up to 1000Sps (500Sps for SPI).
| Measurement Bandwidth | Up to 100Hz |
|---|---|
| Data Output Rate (UART) | Up to 1000Sps |
| Data Output Rate (SPI) | Up to 500Sps |
| Resolution | 0.06uG/LSB |
| Input Range | ±5G |
| Operating Temperature Range | -20 °C to +85 °C |
| Supply Voltage | 3.3 V |
| Power Consumption | 66mW |
| Dimensions | 24x24x19mm |
| Weight | 12grams |
The series includes the M-A351AS with a SPI interface and the M-A351AU with a UART interface.
The average noise density is 0.5 µGrms/√Hz.
Typical applications include building and structural health monitoring, seismic observation, and earthquake detection.