ICM-20948
World's Lowest Power 9-Axis MEMS MotionTracking™ Device
Manufacturer
TDK InvenSense
Category
Sensors, Transducers
Package
24-TFQFN Module Exposed Pad
Lifecycle
Not For New Designs
Overview
Part: ICM-20948
Type: 9-axis MotionTracking device
Key Specs:
- Lowest Power: 2.5 mW
- Gyroscope FSR: ±250 dps, ±500 dps, ±1000 dps, ±2000 dps
- Accelerometer FSR: ±2g, ±4g, ±8g, ±16g
- Compass Range: ±4900 μT
- VDD operating range: 1.71V to 3.6V
- SPI speed: 7 MHz
- I2C speed: 400 kHz Fast Mode
Features:
- 3-axis gyroscope, 3-axis accelerometer, 3-axis compass
- Digital Motion Processor (DMP)
- DMP offloads computation of motion processing algorithms from the host processor
- Software drivers fully compliant with Google's latest Android release
- EIS FSYNC support
- Auxiliary I2C interface for external sensors
- On-chip 16-bit ADCs
- Programmable digital filters
- Embedded temperature sensor
- Programmable interrupts
- MEMS structure hermetically sealed and bonded at wafer level
- RoHS and Green compliant
Applications:
- Smartphones and Tablets
- Wearable Sensors
- IoT Applications
Package:
- 24-pin QFN: 3 mm x 3 mm x 1 mm
Features
- Lowest Power 9-Axis Device at 2.5 mW
- 3-Axis Gyroscope with Programmable FSR of ±250 dps, ±500 dps, ±1000 dps, and ±2000 dps
- 3-Axis Accelerometer with Programmable FSR of ±2g, ±4g, ±8g, and ±16g
- 3-Axis Compass with a wide range to ±4900 μT
- Onboard Digital Motion Processor (DMP)
- Android support
- Auxiliary I2C interface for external sensors
- On-Chip 16-bit ADCs and Programmable Filters
- 7 MHz SPI or 400 kHz Fast Mode I2C
- Digital-output temperature sensor
- VDD operating range of 1.71V to 3.6V
- MEMS structure hermetically sealed and bonded at wafer level
- RoHS and Green compliant
Applications
- Smartphones and Tablets
- Wearable Sensors
- IoT Applications
Electrical Characteristics
3.1 GYROSCOPE SPECIFICATIONS
Typical Operating Circuit of section 4.2, VDD = 1.8V, VDDIO = 1.8V, TA=25°C, unless otherwise noted.
NOTE: All specifications apply to Low-Power Mode and Low-Noise Mode, unless noted otherwise
| PARAMETER | CONDITIONS | MIN | TYP | MAX | UNITS | NOTES |
|---|---|---|---|---|---|---|
| GYROSCOPE SENSITIVITY | ||||||
| Full-Scale Range | GYRO_FS_SEL=0 | ±250 | dps | 1 | ||
| GYRO_FS_SEL=1 | ±500 | dps | 1 | |||
| GYRO_FS_SEL=2 | ±1000 | dps | 1 | |||
| GYRO_FS_SEL=3 | ±2000 | dps | 1 | |||
| Gyroscope ADC Word Length | 16 | bits | 1 | |||
| Sensitivity Scale Factor | GYRO_FS_SEL=0 | 131 | LSB/(dps) | 1 | ||
| GYRO_FS_SEL=1 | 65.5 | LSB/(dps) | 1 | |||
| GYRO_FS_SEL=2 | 32.8 | LSB/(dps) | 1 | |||
| GYRO_FS_SEL=3 | 16.4 | LSB/(dps) | 1 | |||
| Sensitivity Scale Factor Tolerance | 25°C | ±1.5 | % | 2 | ||
| Sensitivity Scale Factor Variation Over Temperature | -40°C to +85°C | ±3 | % | 2 | ||
| Nonlinearity | Best fit straight line; 25°C | ±0.1 | % | 2, 3 | ||
| Cross-Axis Sensitivity | ±2 | % | 2, 3 | |||
| ZERO-RATE OUTPUT (ZRO) | ||||||
| Initial ZRO Tolerance | 25°C (Component-level) | ±5 | dps | 2 | ||
| ZRO Variation Over Temperature | -40°C to +85°C | ±0.05 | dps/°C | 2 | ||
| GYROSCOPE NOISE PERFORMANCE (GYRO_FS_SEL=0) | ||||||
| Noise Spectral Density | Based on Noise Bandwidth = 10 Hz | 0.015 | dps/√Hz | 2 | ||
| GYROSCOPE MECHANICAL FREQUENCIES | 25 | 27 | 29 | kHz | 2 | |
| LOW PASS FILTER RESPONSE | Programmable Range | 5.7 | 197 | Hz | 1, 3 | |
| GYROSCOPE START-UP TIME | From Full-Chip Sleep mode | 35 | ms | 2, 3 | ||
| Low-Power Mode | 4.4 | 562.5 | Hz | |||
| Low-Noise Mode | ||||||
| GYRO_FCHOICE=1; | 4.4 | 1.125k | Hz | |||
| OUTPUT DATA RATE | GYRO_DLPFCFG=x | 1 | ||||
| Low-Noise Mode | ||||||
| GYRO_FCHOICE=0; | 9k | Hz | ||||
| GYRO_DLPFCFG=x |
NOTES:
-
- Guaranteed by design.
-
- Derived from validation or characterization of parts, not guaranteed in production.
-
- Low-noise mode specification.
Absolute Maximum Ratings
Stress above those listed as "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these conditions is not implied. Exposure to the absolute maximum ratings conditions for extended periods may affect device reliability.
| PARAMETER | RATING |
|---|---|
| Supply Voltage, VDD | -0.5V to +4V |
| Supply Voltage, VDDIO | -0.3V to +2.5V |
| REGOUT | -0.5V to 2V |
| Input Voltage Level (AUX_DA, AD0, FSYNC, INT, SCL, SDA) | -0.5V to VDDIO + 0.5V |
| Acceleration (Any Axis, unpowered) | 20,000g for 0.2 ms |
| -40°C to +105°C | |
| Operating Temperature Range | (Compass: -30°C to +85°C) |
| Storage Temperature Range | -40°C to +125°C |
| 2kV (HBM); | |
| Electrostatic Discharge (ESD) Protection | 200V (MM) |
| JEDEC Class II (2),125°C | |
| Latch-up | ±100 mA |
Table 9. Absolute Maximum Ratings
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| ICM-20948S | TDK InvenSense | — |
Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.
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