ICM-20690
3 ELECTRICAL CHARACTERISTICS
3.1 GYROSCOPE SPECIFICATIONS
Typical Operating Circuit of section 4.2, VDD = 1.8 V, VDDIO = 1.8 V, TA=25°C, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
NOTES
GYROSCOPE SENSITIVITY
FS_SEL=0
FS_SEL=1
FS_SEL=2
FS_SEL=3
FS_SEL=5
FS_SEL=6
FS_SEL=7
±250
±500
±1000
±2000
±31.25
±62.5
±125
16
º/s
º/s
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
1
º/s
Full-Scale Range
º/s
º/s
º/s
º/s
Gyroscope ADC Word Length
Sensitivity Scale Factor
bits
FS_SEL=0
FS_SEL=1
FS_SEL=2
FS_SEL=3
FS_SEL=5
FS_SEL=6
FS_SEL=7
25°C
131
LSB/(º/s)
LSB/(º/s)
LSB/(º/s)
LSB/(º/s)
LSB/(º/s)
LSB/(º/s)
LSB/(º/s)
%
65.5
32.8
16.4
1048.6
524.3
262
Sensitivity Scale Factor Initial Tolerance
±1
Sensitivity Scale Factor Variation Over
Temperature
-40°C to +85°C
±0.01
%/ºC
1
Nonlinearity
Best fit straight line; 25°C
±0.1
±1
%
%
1
1
Cross-Axis Sensitivity
ZERO-RATE OUTPUT (ZRO)
Initial ZRO Tolerance
25°C
±1
º/s
1
1
ZRO Variation vs. Temperature
-40°C to +85°C
±0.01
º/s/ºC
OTHER PARAMETERS
Rate Noise Spectral Density
Total RMS Noise
@ 10 Hz
0.004
0.04
27
º/s/√Hz
º/s-rms
KHz
1
1, 4
2
Bandwidth = 100 Hz
Gyroscope Mechanical Frequencies
Low Pass Filter Response
Gyroscope Start-Up Time
25
5
29
Programmable Range
Time from gyro enable to gyro drive ready
Low-Noise Mode
250
Hz
ms
Hz
3
1, 5
3
80
3.91
3.91
32k
Output Data Rate
3
Low-Power Mode
333.33
Hz
Table 1. Gyroscope Specifications
Notes:
1. Target spec. Subject to update.
2. Tested in production.
3. Guaranteed by design.
4. For low-noise mode.
5. The gyroscope output will be stable if ~200 ms are provided between a disable and the subsequent enable of the sensor.
Page 10 of 76
Document Number: DS-000178
Revision: 1.0
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