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| SCP1000 Series Data Sheet SCP1000 SERIES (120 kPa) ABSOLUTE PRESSURE SENSOR Features * * * * * * * * * 30 kPa - 120 kPa measuring range Single +2.4 ... 3.3 V supply Four measuring modes plus power down mode On-chip temperature measurement Fully calibrated and compensated component Standard digital output: SPI or I2C (1 Small package size with optional (2 sealing gasket. Diameter 6.1 mm, height 1.7 mm Proof pressure 2.0 MPa Pb-free solderable component & RoHScompatible Applications * * * * * * * Barometric pressure measurement and altimeter applications Home weather stations Advanced medical applications Level gauging 1.5 Pa ( 10cm at sea level) resolution with < 10 A current consumption Altimeter/barometer function can be realized with minimum use of MCU Chemically and mechanically robust package Benefits Ordering Information Product SCP1000-D01 SCP1000-D11 Description 30 kPa - 120 kPa, SPI interface 30 kPa - 120 kPa, I2C interface Absolute Maximum Ratings Parameter Supply voltage (Vdd) Voltage at input / output pins (3 ESD (Human Body Model) ESD (Charged Device Mode) Storage temperature Proof pressure 2 Value -0.3 to +3.6 -0.3 to (Vdd + 0.3) 2.0 0.5 -30 ... +85 2.0 Unit V V kV kV C MPa Note 1) I C compatible TWI (Two Wire Interface) Note 2) VTI's I-seal gasket Note 3) Referred to DVDD VTI Technologies Oy www.vti.fi Subject to changes 1/6 SCP1000 Series Electrical Characteristics Vdd = 2.7 V and ambient temperature unless otherwise specified Parameter Condition Min. Supply voltage Vdd 2.4 Current Consumption High resolution mode High speed mode Ultra low power mode Power down @ 500 kHz Typ 25 25 3.5 200 Max. 3.3 Units V A A A nA pF pF kHz kHz s Output Load Digital Pins Input Capacitance SPI Clock Frequency I2C Clock Frequency Data Transfer Time 500 50 1.6 500 400 @ 500 kHz 120 Performance Characteristics(4 Parameter Operating Pressure Range Operating Temperature Resolution (5 Relative Pressure Accuracy (5 Condition Nominal High resolution mode High speed mode 600 hPa...1200 hPa +10 C ... +40 C 600 hPa...1200 hPa +10 C ... +40 C 300 hPa...1200 hPa -20 C ... +70 C 12 months Min. 30 -20 Typ Max. 120 +70 3 6 +50 +150 +400 Units kPa C Pa Pa Pa Pa Pa Pa bits bits Hz Hz 1.5 3 -50 -150 -200 +100 Absolute Pressure Accuracy (5 Absolute Pressure Accuracy (5 Long-term Stability Digital pressure output data word length Digital temperature output data word length Pressure Data Output Refresh Rate Temp. Resolution Temp. Accuracy 19 14 High resolution mode High speed mode -2 1.8 9 0.2 1 0.5 +2 C C Note 4 Soldered components. Detailed information about the effect of soldering and mounting can be found in SCP1000 Pressure Sensor Assembly Instructions (Technical Note 51) Note 5 Typical = Median, Min. /Max. = 95% of the components within the population VTI Technologies Oy www.vti.fi Subject to changes 2/7 SCP1000 Series Interface Options Communication interface is pre-programmed in the factory and it can be either SPI (Serial Peripheral Interface) or I2C (Inter-Integrated Circuit). The SPI interface is a full duplex 4 wire interface and the connection between the MCU and SCP1000 is achieved using MOSI, MISO, SCK and CSB. The I2C interface is slave-only half duplex two-wire interface available on SDA and SCL pins. Interface Options The SCP1000 Pressure sensor has 4 normal operation modes plus power down mode. Mode High resolution High speed Ultra low power Low power Power Down Pressure measurement Continues Continues Periodical External trigger Activated through PD pin Resolution 17 bits 15 bits 15 bits 17 bits or 15 bits Output data refresh rate 1.8 Hz 9 Hz Approximately 1 Hz Electrical Connections The SCP1000 pressure sensor supports two communication interfaces, SPI and I2C. Appropriate communication interface is pre-programmed in the factory. SCP1000- D01 (SPI Interface) Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Name ATST TRIG(6 DRDY CLK DVDD DVSS DVDDS PD(6 SCK(6 MOSI(6 MISO(6 CSB(6 AVDD AVSS AVSS ATST Function Connect to analog ground Trigger input, connect to GND if not used Interrupt signal (data ready) Connect to digital GND Digital supply voltage Digital ground Digital supply filter Power down, connect to GND if not used SPI clock input SPI data input SPI data output SPI chip select Analog supply voltage Analog ground Analog ground Connect to analog ground Characteristics For factory use only Digital input Digital output Power line Power line Digital power supply filter Input to force the chip in power down mode Interface clock Digital data input Digital data output Digital input Power line Power line Power line For factory use only Note 6 The MCU has to actively drive the signal in high and low states VTI Technologies Oy www.vti.fi Subject to changes 3/7 SCP1000 Series SCP1000- D11 (I2C Interface) Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Name ATST TRIG(6 DRDY CLK DVDD DVSS DVDDS PD(6 SCL(6 SDA(6 MISO CSB AVDD AVSS AVSS ATST Function Connect to analog ground Trigger input, connect to GND if not used Interrupt signal (data ready) Connect to digital GND Digital supply voltage Digital ground Digital supply filter Power down, connect to GND if not used I2C serial clock I2C data n/c Connect to analog supply voltage Analog supply voltage Analog ground Analog ground Connect to analog ground Characteristics For factory use only Digital input Digital output Power line Power line Digital power supply filter Input to force the chip in power down mode Interface clock I2C data input/output n/c Power line Power line Power line For factory use only Note 6 The MCU has to actively drive the signal in high and low states Pressure element location Figure 1 Pin arrangement of SCP1000 Note: In order to ensure the contact reliability, both pins in the pin pairs 1,16 and 14,15 (which are internally connected together) should be soldered. VTI Technologies Oy www.vti.fi Subject to changes 4/7 SCP1000 Series PWB Pad Layout Dimensions VTI Technologies Oy www.vti.fi Subject to changes 5/7 SCP1000 Series Typical Performance characteristics VTI Technologies Oy www.vti.fi Subject to changes 6/7 SCP1000 Series Resolution distribution in high resolution measurement mode [Pa], N=534 Number of samples Resolution [Pa] VTI Technologies Oy www.vti.fi Subject to changes 7/7 |
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