Model NO.
MA1000A
Type
Capacitive
Output Signal Type
Analog Output
Measuring Shaft Quantities
1
Accuracy Grade
0.05mg
IP Rating
Chip
Certification
ISO
Customized
Non-Customized
Interface
Voltage
Power Supply
4.75~5.25V
Output
Differential Output / Single-End
Trademark
SkyMEMS
Transport Package
Carton
Specification
LCC20 encapsulation (9*9mm)
Origin
China
HS Code
9014100000
Main Features
-Range:±2g~±30g, Excellent Bias Stability
-Output: Differential Output / Single-Ended Output
-Very Low Noise: 1.2μg/√Hz for ±2g Range (typical)
-Input Power Supply: 4.75~5.25V
-Embedded Self-Test Function and Temperature Sensor
-Embedded Precision Reference Voltage
-Shock Survivability: 6000g, Vibration Resistance
-Wide Operating Temperature Range: -40~+125°C
Brief Introduction
MA1000A MEMS accelerometer is the besthigh performance capacitive accelerometer adopting closed loop structure, it useshigh performance ASIC and MEMS sensor to build closed-loop system, andit enjoys excellent performance with low noise, dynamic range, non-linearity, repeatability, temperature drift and shock resistance. MA1000A guarantees confident and accurate vibration measurement in rugged environments.
MA1000A accelerometer also has embeddedself-test function, temperature sensor for compensation and built-in high precision reference voltage, which ensures MA1000A to be the top level of accelerometer around the world. Using tiny sealed LCC20 encapsulation (9*9mm), MA1000A has been widely used in Seismic Monitor, Micro-vibration Monitoring, Engineering Geophysical Exploration, Inertial Navigation, Structure/Building Monitoring, Surface Wave Detection, and Platform Stability, etc. Eachaccelerometer is fully tested and qualified, and its superreliability and excellent performance gains customers' high praise
Technical Specifications
| Parameter | MA1000A | Unit | ||||
| MA1002A | MA1003A | MA1005A | MA1010A | MA1030A | ||
| Range | ±2 | ±3 | ±5 | ±10 | ±30 | g |
| Non-linearity (full range) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | % |
| Frequency Response (±5% bandwidth) | >100 | >100 | 60 | 60 | 60 | Hz |
| Frequency Response (±3dB bandwidth) | >1000 | >1000 | 200 | 200 | 200 | Hz |
| Noise Spectral Density(@100Hz) | 1.2 | 1.5 | 1.8 | 2.5 | 3 | μg/√Hz |
| Bias Temperature Coefficient (maximum) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | mg/ºC |
| Bias Stability (1hour, 1σ, 1s) | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | mg |
| Scale Factor | 1800 | 1200 | 720 | 360 | 120 | mV/g |
| Scale Factor Temperature Coefficient | 50 | 50 | 50 | 50 | 50 | ppm/ºC |
| Scale Factor Stability | 50 | 50 | 50 | 50 | 50 | ppm |
| Scale Factor Repeatability | 50 | 50 | 50 | 50 | 50 | ppm |
| Axis misalignment | ||||||
| Input Axis Misalignment (Kp,Ko) | 10 (max.) | mrad | ||||
| Self Test | ||||||
| Frequency (Square wave output) | 19 | Hz | ||||
| Duty cycle | 50 | % | ||||
| Amplitude (Peak to peak) | 0.28 | 0.55 | 0.55 | 0.55 | 0.55 | |
| g | ||||||
| STEN Input Threshold Voltage (High level is valid) | 0.8 (min.) | Vcc | ||||
| Temperature Sensor | ||||||
| Output Voltage (@25°C) | 2.47 | V | ||||
| Sensitivity | 8.3 | mV/ºC | ||||
| Output Current Load | 20 (max.) | μA | ||||
| Output Capacitive Load | 30 (max.) | pF | ||||
| Reset | ||||||
| RSTN Input Threshold Voltage | 0.2 (max. , Low level is valid) | Vcc | ||||
| Power Supply (Vcc) | ||||||
| Input Voltage | 5 | V | ||||
| Running Current Consumption | 5.4 | mA | ||||
| Startup Time (Turn on or RSTN pull-up) | 10 | ms | ||||
| Accelerometer Output | ||||||
| Output Voltage | ±3.6 (full range differential output) | V | ||||
| Resistance Load | 10 (min.) | kΩ | ||||
| Capacitive Load | 30 (max.) | pF | ||||
Typical Applications
- Seismic Monitor
- Micro-vibration Monitoring
- Engineering Geophysical Exploration
- Inertial Navigation
- Structure/Building Monitoring
- Surface Wave Detection
- Platform Stability
