Bosch XDK110 General Information Manual page 14

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2.3.4 BMI160: Inertial Measurement Unit
The BMI160 is a small, low-power, low-noise 16-bit inertial measurement unit designed for use in
mobile applications like augmented reality or indoor navigation which require highly accurate, real-
time sensor data. In full operation mode, with both the accelerometer and the gyroscope enabled,
the current consumption is typically 950 µA, enabling always-on applications in battery driven
devices.
Table 8: BMI160 Key Features
Digital Resolution
Measurement Ranges
(programmable)
Sensitivity (calibrated)
Zero-Point Offset
Noise Density (typical)
Bandwidths (programmable)
For more information please refer to the datasheet:
h t t p : / / w w w. b o s c h - s e n s o r t e c . c o m / e n / h o m e p a g e / p r o d u c t s _ 3 / 6 _ a x i s _ s e n s o r s _ 2 /
inertial_measurement_unit_1/bmi160/bmi160_1
Note: Why two gyroscopes?
As you will have noticed by now, the XDK has two MEMS gyroscopes on board: A stand-alone
BMG160 and another one combined with an accelerometer in the inertial measurement unit
BMI160.
The sensor in the BMI160 is an "open-loop" gyroscope, which results in very low noise and low
power consumption (~1 mA). The BMG160 works in "closed loop", which results in an excellent
zero-Ω offset change over temperature (TCO), which can be two orders of magnitude below the
open-loop version. As a result, the power consumption is higher (~5 mA).
We encourage you to try out both sensors, and decide which is best for your application.
XDK110
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copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
General Information Guide XDK110 General Information Guide XDK110
Specification Value
Accelerometer (A): 16 bit
Gyroscope (G): 16 bit
(A): ± 2 g, ± 4 g, ± 8 g, ± 16 g
(G): ± 125 °/s, ± 250 °/s, ± 500 °/s,
± 1000 °/s, ± 2000 °/s
(A): ±2g: 16384 LSB/g
±4g: 8192 LSB/g
±8g: 4096 LSB/g
±16g: 2048 LSB/g
(G): ±125 °/s: 262.4 LSB/ °/s
±250°/s: 131.2 LSB/ °/s
±500 °/s: 65.6 LSB/ °/s
±1000 °/s: 32.8 LSB/ °/s
±2000 °/s: 16.4 LSB/ °/s
(A): ±40mg (G): ± 10 °/s
(A): 180 µg/√Hz
(G): 0.008 °/s/√Hz
1600 Hz ... 25/32 Hz
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