MS5607

Part: MS5607-02BA03 — MEAS Switzerland Type: Barometric Pressure Sensor Description: High resolution altimeter sensor with SPI and I2C bus interface, 24-bit ΔΣ ADC, optimized for altimeters and variometers with 20 cm altitude resolution, operating from 1.8 to 3.6 V.

Operating Conditions:

• Supply voltage: 1.8–3.6 V
• Operating temperature: -40 to +85 °C
• Pressure range: 10 to 2000 mbar

Absolute Maximum Ratings:

• Max supply voltage: 4 V
• Max storage temperature: 125 °C
• Overpressure: 6 bar
• Maximum Soldering Temperature: 250 °C (40 sec max)

Key Specs:

• Pressure range: 10 to 2000 mbar
• Pressure accuracy (25°C, 750 mbar): -1.5 to +1.5 mbar
• Temperature range: -40 to +85 °C
• Temperature accuracy (25°C): -0.8 to +0.8 °C
• ADC resolution: 24 bit
• Conversion time (OSR 4096): 7.40 to 9.04 ms
• Standby supply current (25°C): 0.02 μA (typ), 0.14 μA (max)
• SPI interface clock: up to 20 MHz
• I2C interface clock: up to 400 KHz

Features:

• Integrated digital pressure sensor (24 bit ΔΣ ADC)
• High resolution module, 20cm
• Fast conversion down to 1 ms
• Low power, 1 μA (standby < 0.15 μA)
• I2C and SPI interface up to 20 MHz
• No external components (Internal oscillator)
• Excellent long term stability
• Factory calibrated coefficients stored in PROM

Applications:

• Mobile altimeter / barometer systems
• Bike computers
• Variometers
• Dataloggers
• Mobile phones / GPS

Package:

• QFN 5.0 x 3.0 x 1.0 mm

The MS5607-02BA is a circuit that can be used in conjunction with a microcontroller in mobile altimeter applications. It is designed for low-voltage systems with a supply voltage of 3 V.

Figure 17: Typical application circuit with SPI / I 2 C protocol communication

Figure 18: MS5607-02BA03 package outline

Figure 18: MS5607-02BA03 package outline