The SG3-15 series accelerometers adopt the internationally advanced MEMS chip and ASIC circuit integration solution. The chip has a small form factor, light weight and high reliability. It is also the first ultra-small three-axis MEMS accelerometer integrated in the ceramic standard package in China.

It uses a standard +5V voltage input and SPI digital interface output. The device has good universality. Besides the output of acceleration information, it also has real-time output of self-test status, temperature signal and reference potential, which is convenient for use. With a specialized environmental adaptability design, the device has high reliability and can work stably in various shock, vibration and temperature environments.

Features

Three axis integration
LCC16 standard packaging
High reliability

Excellent temperature characteristics
SPI Standard Digital Interface
Adaptability to harsh environments

Specifications

Parameter	Unit	SG3-15
Range	g	±15
Bias	mg	±100
Bias stability	mg	≤0.3
Bias repeatability	mg	≤0.3
Bias Temp coefficient	Mg/℃	≤0.25
Scale factor stability	ppm	≤300
Scale factor repeatability	ppm	≤300
Scale factor Temp coefficient	ppm/℃	≤130
Resolution	mg	0.5
bandwidth	Hz	Typical value150 (5-400 adjustable)
Cross-coupled	mrad	<10
	%	<1
Nonlinearity	%FS(max)	≤±0.3
Resonant frequency	kHz	XY:8000 Z:5500
Start-time	s	1
consumption	mW	135
Dimension	mm³	6×6×1.9
Package	Ceramic packaging (LCC20)
Output form	Digital Output
Operate temp	℃	-45～+85
Storage temp	℃	-55～125
Shock	g	6000

Appearance and Packaging Form

The SG3-15 series accelerometers adopt the standard LCC16 ceramic package, and the product appearance and dimensions are shown in the figure below.

The sensitive direction of the accelerometer is shown in the figure below:

Product Pin Definition

Pin No	Name	Description
1	GND	Ground
2	DVDD	Chip Digital supply
3	VDDIO	Chip Digital I/0 supply (1.7V-VDD)
4	SCLK	SPI Clock
5	DOUT	SPI MISO
6	DIN	SPI MOSI
7	SSB	SPI Slave Select
8	EN	Chip Enable 5V Active High
9	NC	No Connection
10	GND	Ground
11	NC	No Connection
12	HVREF	High V Voltage reference
13	GND	Ground
14	ADCREF	ADC V Voltage reference
15	DVDD	Chip Digital supply
16	NC	No Connection

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