SCA2110-D04 Data Sheet SCA2110-D04 2-AXIS HIGH PERFORMANCE ACCELEROMETER WITH DIGITAL SPI INTERFACE Features 3.3V supply voltage 2 g measurement range 2-axis measurement XZ directions +-30mg offset accuracy over temp range SPI digital interface Enhanced self diagnostics features Size 7.6 x 3.3 x 8.6 mm (w x h x l) Qualified according to AEC-Q100 standard Package, pin-out and SPI protocol compatible with Murata digital accelerometer product family RoHS compliant Dual Flat Lead (DFL) plastic package suitable for lead free soldering process and SMD mounting Proven capacitive 3D-MEMS technology Applications SCA2110-D04 is targeted to automotive applications with high stability requirements. Typical applications include Electronic Stability Control (ESC) Hill Start Aid (HSA) Electronic Parking Brake (EPB) Roll Over Suspension Inclination Industrial applications General Description SCA2110-D04 is a high performance two axis accelerometer component based on Murata capacitive 3D-MEMS technology. The component integrates high accuracy micromechanical acceleration sensing together with a flexible SPI digital interface. Dual Flat Lead (DFL) housing of the component guarantees robust operation over the product lifetime. SCA2110-D04 is designed, manufactured and tested for high stability, reliability and quality requirements of automotive applications. The accelerometer has extremely stable output over wide range of temperature, humidity and mechanical noise. The component is qualified against AEC-Q100 standard and has several advanced self diagnostics features. The DFL housing is suitable for SMD mounting and the component is compatible with RoHS and ELV directives. SCA2110-D04 is a part of Murata digital accelerometer family and fully compatible with single axis accelerometers (SCA800 series) and other multi axis accelerometers (SCA2100 series and SCA3100 series). Murata Electronics Oy www.muratamems.fi 1/2 Doc. Nr. 82 684 00 B SCA2110-D04 Performance Characteristics Vdd=3.3 V and ambient temperature unless otherwise specified. Parameter Condition Min 3.0 Analog and digital Vdd Current consumption Active mode Power down mode Measurement axes (XZ) Measurement range Operating temperature A) Offset total error Offset temperature drift B) Sensitivity Total sensitivity error Linearity error Cross-Axis sensitivity Zero acceleration output C) Amplitude response Noise Power on setup time Output data rate Output load SPI clock rate ESD protection B) C) 3 0.12 -2 -40 -100 -70 -40 -50 -30 Temperature range -40 ... +125 C Temperature range -40 ... +105 C RT 25 C 5C Temperature range -40 ... +125 C Temperature range -40 ... +105 C 12 bit output Max 3.6 5 50 8 2 1 Units V mA mA g C mg mg mg mg mg Count/g % FS mg % Counts Hz mg RMS s Hz pF MHz kV kV 20 000 g 2 125 100 70 40 50 30 900 +1g ... -1g range -4 -20 2-complement -3dB frequency 30 4 20 3.5 0 55 5 0.1 2000 Human Body Model Charge Device Model IPC/JEDEC J-STD-020C, Level 3 Moisture sensitivity level Mechanical shock A) Typ Includes offset deviation from 0g value including calibration error and drift over lifetime, temperature and supply voltage. Offset drift due to temperature. Value is a relative value and has not to be centered to zero. See figure 4. C/V Oscillator & clock Reference Analog calibration & ADC NonVolatile Memory DEMUX 1:4 Lowpass Filter Decimation Lowpass Filter Decimation Lowpass Filter Decimation Lowpass Filter Decimation Temperature sensor Continuous self test Coordinate Mapping and Calibration SCK SPI i/f MISO MOSI CSB Start-up self test Figure 1. SCA2110-D04 Block diagram Murata Electronics Oy www.muratamems.fi 2/2 Doc. Nr. 82 684 00 B SCA2110-D04 Z -Y X -Y Y Y PIN 1 PIN 1 -X -Z Figure 2. Accelerometer measuring directions Figure 3. Housing dimensions Figure 4. Frequency response curves Murata Electronics Oy www.muratamems.fi 3/2 Doc. Nr. 82 684 00 B