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SCA1000-D01 View Datasheet(PDF) - Murata Manufacturing

Part NameDescriptionManufacturer
SCA1000-D01 PRODUCT SPECIFICATION FOR XY-DUAL AXIS ACCELEROMETER Murata
Murata Manufacturing Murata
SCA1000-D01 Datasheet PDF : 18 Pages
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SCA1000-D01
1 General description
The SCA1000 accelerometer consists of two silicon bulk micro machined sensing element
chips and a signal conditioning ASIC. The chips are mounted on a pre-molded package and
wire bonded to appropriate contacts. The sensing elements and ASIC are protected with
silicone gel and lid. The sensor has 12 SMD legs (Gull-wing type).
1.1 Block diagram
a sensing element
x
SC
SC filter1
C/V DAC
SC
gain
SC
SC filter2
DAC
SC
sample and hold
fail_det SC
S/H
pfilter
CSB
SCK
MOSI
ST_X/Test_in
ST_Y
interface+control logic+EEPROM BG ADC DAC
agnd por OSC clk gen HV pump
VDD
VSS
a sensing element
y
SC
SC filter1
C/V DAC
SC
gain
SC
SC filter2
DAC
SC
sample and hold
fail_det SC
S/H
pfilter
X_Ext_C
X_OUT
MISO
Y_Ext_C
Y_OUT
Figure 1. Block diagram of the SCA1000
1.2 SCA1000 family Accelerometer Features
Single +5V supply
Two ratiometric analog outputs in relation to supply voltage (Vdd = 4.75....5.25V)
Wide load driving capability
Serial Peripheral Interface (SPI) compatible
Provides digital output for both channels
Supports testing and programming
Non-volatile programming features
Factory programmable filter settings ( 400Hz, 1 kHz, WB, Ext_C )
Offset and sensitivity calibration
Linear temperature compensation
Enhanced failure detection features
True self test by deflecting the sensing elements’ proof mass by electrostatic
force. Deflection voltage is adjustable with two memory bits for both channels.
The self-test is channel specific, and separately activated for both channels by
digital on-off commands via dedicated pins or via SPI bus.
Continuous sensing element interconnection failure check
Murata Electronics Oy
www.muratamems.fi
Doc. Nr. 8225700
3/18
Rev.C
Direct download click here

 

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