Dual-Axis MEMS Accelerometer

ER-2MA-5
1..30g range
2..Integrated temperature sensor
3..Digital output interface

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Introduction

Introduction

ER-2MA-5 is a high-performance dual-axis MEMS accelerometer that offers ±30g full-range output. It can achieve precise acceleration measurement in complex conditions and is suitable for applications such as attitude measurement and vibration monitoring.

Features
1.High stability 2-axis MEMS accelerometer
2.30g range
3.Integrated temperature sensor
4.Digital output interface
5.Operating voltage: 5±0.25V
6.Operating temperature range: -45 to +85°C

Specifications

Specification	Parameter	Unit
Product model	ER-2MA-5
Encapsulation	CLCC48
Axis	X, Y
Range	30	g
Scale Factor Non-linearity	<1500	ppm（IEEE Norm , of full scale）
Bandwidth (adjustable) 3db	≥200	Hz
Group delay	<1.5	ms
VRE	40	µg/g2
Noise	<40	µg/√Hz
Resolution	<40	µg
Bias before leaving the factory (at room temperature)	<±1	mg (room temperature calibration value)
Bias temperature drift before leaving the factory	<±5	mg
Bias temperature hysteresis before leaving the factory	<0.6	mg
Bias compensation residual after leaving the factory	<±0.75	mg (second-order segmented compensation)
Bias Stability (1s smooth)	50	ug
Bias Stability (10s smooth)	35	ug
Bias instability (Allan Curve)	10	ug
Annual repeatability	<±1.75	mg
On-off repeatability 1σ	<30	ug
Scale Factor set in factory	250000±250	lsb/g (Room temperature calibration value)
Annual repeatability	<±250	ppm
Scale Temp Coefficient	<80	ppm/°C
Scale factor after compensation	<100	ppm (second-order compensation)
Start time	<0.5	s
Sampling frequency (adjustable)	10.5K ±5%	Hz
Shock (charged)	6000	g
Shock (uncharged)	6000	g
Vibration rectification error (6 grms)	1	mg/grms
Operate Temp	-45~+85	°C
Supply Voltage	5±0.25	V
Current	<20	mA
Interface	SPI	SPI