High Precision Mems Accelerometer Sensor Dual Axis Flexible For Accuracy Improvement

Parameters

MAF599HC

Unit

Package

CLCC48

Axial

Y

Range

100

g

Scale Nonlinearity

<500ppm

ppm(IEEE Norm , of full scale)

Bandwidth (Adjustable) 3dB

>150

Hz

Delay

<3

ms

VRE

<5

µg/g2

Noise

<40

µg/√Hz

Threshold

<40

µg

Factory Zero Offset at Room Temperature

<±1

mg(Room temperature calibration value)

Factory Zero Offset Temperature Drift

<±0.5

mg

Factory Zero Offset Temperature Hysteresis

<0.3

mg

Post-Factory Zero Offset Compensation Residual

<±0.2

mg

Bias Stability 1s Smoothing

<40

ug

Bias Stability 10s Smoothing

<15

ug

Bias Stability Allan

<5

ug

Switching Repeatability 1σ

<15

ug

Factory-Set Scale

20000000

lsb/g(Room Temperature Calibration Value)

Scale Temperature Coefficient

<40

ppm/℃

Scale System Temperature Compensation Residual

<100

ppm(Second-order compensation, chip compensation prior to shipment)

Startup Time

<500

ms

Sampling Frequency (Adjustable)

49.5K

Hz

Powered Shock

500

g

Unpowered Shock

500

g

Operating Temperature

-50~+85

℃

Supply Voltage

5±0.25

V

Current

<30

ma

Communication Interface

SPI

SPI

No.

Pin Name

Electrical Properties

Rated voltage

Description

5

SPICS

Input

VIO

SPI Chip Select

6

SPIDI

Input

VIO

SPI Data Input

7

SPICK

Input

VIO

SPI Clock Input

8

SPIDO

Output

VIO

SPI Data Output

9

VIO

Power Supply Input

2.7V~5V

The input voltage serves as the interface reference voltage and must match the controller's interface voltage. A 0.1uF bypass capacitor to ground is required.

15

AVSS1

Power Supply Ground

OV

24

AVSS2

Power Supply Ground

OV

32

AVSS3

Power Supply Ground

OV

34

AVSS_LN

Analog Ground

OV

Low-noise analog ground, recommended to be isolated from power ground using a ferrite bead

35

VREG

Reference Voltage

3.2~6V

Internal voltage reference, connected to analog ground with a 1uF bypass capacitor

36

VREF

Reference Voltage

2.4V

Internal voltage reference, connected to analog ground with 1uF and 0.01uF bypass capacitors

37

VCP

Reference Voltage

11V

Internal voltage reference, connected to ground with a 1uF bypass capacitor (rated for over 16V)

39

VCC

Power Supply Input

5V

Power supply voltage input, requires 10uF and 0.1uF bypass capacitors to ground

40

EXCK

External Clock Input

3~3.6V

External 24 MHz clock input.

41

VSS

Power Supply Ground

OV

43

RSTN

Reset Input

5V

Power-on reset input requires a pull-up resistor to 5V and a capacitor to ground. (Resistor and capacitor values must be adjusted based on the actual system power supply.)

45

GND

Power Supply Ground

OV

Notes:

All other NC pins should be left floating and not connected.

The EXCK signal requires a 24MHz clock input with high frequency stability. A 24MHz TCXO device with frequency stability within 50ppm and CMOS output is recommended.

The external clock input voltage range is 3 to 3.6V.