ICM-20789 motion tracking device
The ICM-20789 is a 7-axis motion tracking device that combines a 3-axis gyroscope, 3-axis accelerometer, ultra-low noise MEMS capacitive pressure sensor and Digital Motion Processor™ in a 4mm x 4mm x 1.365mm (24-pin LGA) package.
(DMP)
This unique device offers performance of discrete parts in a single efficient package for tracking rotational and linear motion as well as high accuracy elevation change. The pressure sensor is based on MEMS capacitive technology which provides excellent temperature stability, low power, and very low noise, enabling elevation measurements as small as 5cm. ICM-20789 has 16-bit ADC for the 6-axis sensor and 24-bit ADC for the Pressure Sensor, programmable digital filters, and two temperature sensors – one each in 6-axis Motion and Pressure sensor.
APPLICATIONS
• Drones and flying toys • Motion-based gaming controllers • Virtual Reality headsets and controllers • Indoor/outdoor navigation (dead-reckoning, floor/elevator/step detection)
FEATURES • Pressure operating range: 30 to 110 kPa • Noise and current consumption
- 3.2 Pa @ 1.3 µA (LP mode) - 0.8 Pa @ 5.2 µA (LN mode) - 0.4 Pa @ 10.4 µA (ULN mode)
• Pressure sensor relative accuracy: ±1 Pa for any 10 hPa change over 950 hPa-1050 hPa at 25°C
• Pressure sensor absolute accuracy: ±1 hPa over 950 hPa-1050 hPa, 0°C to 65°C
• Pressure sensor temperature coefficient offset: ±0.5 Pa/°C over 25°C to 45°C at 100 kPa
• Gyroscope programmable FSR of ±250 dps, ±500 dps, ±1000 dps, and ±2000 dps
• Accelerometer with programmable FSR of ±2g, ±4g, ±8g, and ±16g
• Large 4 kB FIFO reduces traffic on the serial bus interface
• EIS FSYNC support • User-programmable interrupts
• Wake-on-motion interrupt for low power operation of applications processor
• Host interface: 400 kHz Fast Mode I2 SPI (see datasheet for ICM-20689)
C & 8 MHz
• Digital-output temperature sensor (x2) • Nominal VDD operation at 1.8V • Low Noise of 0.85 Pa
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