MS5607-02BA03Barometric Pressure Sensor, with stainless steel cap High resolution module, 20cm Fast conversion down to 1 ms Low power, 1 A (standby < 0.15 A) 3 QFN package 5.0 x 3.0 x 1.0 mm Supply voltage 1.8 to 3.6 V Integrated digital pressure sensor (24 bit ADC) Operating range: 10 to 1200 mbar, -40 to +85 C 2 I C and SPI interface up to 20 MHz No external components (Internal oscillator) Excellent long term stability DESCRIPTION The MS5607-02BA is a new generation of high resolution altimeter sensors from MEAS Switzerland with SPI 2 and I C bus interface. This barometric pressure sensor is optimized for altimeters and variometers with an altitude resolution of 20 cm. The sensor module includes a high linearity pressure sensor and an ultra low power 24 bit ADC with internal factory calibrated coefficients. It provides a precise digital 24 bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high resolution temperature output allows the implementation of an altimeter/thermometer function without any additional sensor. The MS5607-02BA can be interfaced to virtually any microcontroller. The communication protocol is simple, without the need of programming internal registers in the device. Small dimensions of only 5.0 mm x 3.0 mm and a height of only 1.0 mm allow for integration in mobile devices. This new sensor module generation is based on leading MEMS technology and latest benefits from MEAS Switzerland proven experience and know-how in high volume manufacturing of altimeter modules, which have been widely used for over a decade. The sensing principle employed leads to very low hysteresis and high stability of both pressure and temperature signal. FEATURES FIELD OF APPLICATION TECHNICAL DATA Sensor Performances (V = 3 V) Mobile altimeter / barometer systems DD Pressure Min Typ Max Unit Bike computers Range 10 1200 mbar Variometers ADC 24 bit Dataloggers 0.13 / 0.084 / 0.054 Mobile phones / GPS Resolution (1) mbar / 0.036 / 0.024 Accuracy 25C, 750 mbar -1.5 +1.5 mbar Error band, -20C to + 85C -2.5 +2.5 mbar 300 to 1100 mbar (2) FUNCTIONAL BLOCK DIAGRAM 0.5 / 1.1 / 2.1 / 4.1 / Response time (1) ms VDD 8.22 PS Long term stability 1 mbar/yr Meas. MUX CSB +IN Digital SENSOR SDI/SDA Interface Temperature Min Typ Max Unit SDO dig. PGA ADC -IN Filter SCLK Range -40 +85 C Resolution <0.01 C Sensor Memory (PROM) Interface IC 128 bits SGND Accuracy -0.8 +0.8 C GND Notes: (1) Oversampling Ratio: 256 / 512 / 1024 / 2048 / 4096 (2) With autozero at one pressure point DA5607-02BA03 018 www.meas-spec.com Sept. 26, 2012 000056071438 ECN1741 1/19 MS5607-02BA03 Barometric Pressure Sensor, with stainless steel cap PERFORMANCE SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS Parameter Symbol Conditions Min. Typ. Max Unit Supply voltage V -0.3 +4.0 V DD Storage temperature T -40 +125 C S Overpressure P 6 bar max Maximum Soldering T 40 sec max 250 C max Temperature Human Body ESD rating -4 +4 kV Model JEDEC standard Latch up -100 +100 mA No 78 ELECTRICAL CHARACTERISTICS Parameter Symbol Conditions Min. Typ. Max Unit Operating Supply voltage V 1.8 3.0 3.6 V DD Operating Temperature T -40 +25 +85 C OSR 4096 12.5 2048 6.3 Supply current I 1024 3.2 A DD (1 sample per sec.) 512 1.7 256 0.9 Peak supply current during conversion 1.4 mA Standby supply current at 25C 0.02 0.14 A VDD Capacitor From VDD to GND 100 nF ANALOG DIGITAL CONVERTER (ADC) Parameter Symbol Conditions Min. Typ. Max Unit Output Word 24 bit OSR 4096 7.40 8.22 9.04 2048 3.72 4.13 4.54 Conversion time t 1024 1.88 2.08 2.28 ms c 512 0.95 1.06 1.17 256 0.48 0.54 0.60 DA5607-02BA03 018 www.meas-spec.com Sept. 26, 2012 000056071438 ECN1741 2/19