The ICM-42688-P from TDK InvenSense is a high-performance 6-axis MEMS MotionTracking® device integrating a 3-axis gyroscope and 3-axis accelerometer in a single compact package. It supports a highly accurate external clock input to help reduce system-level sensitivity error, improve orientation measurements derived from gyroscope data, and reduce ODR sensitivity to temperature and device-to-device variation.
The gyroscope provides selectable full-scale ranges of ±15.625, ±31.25, ±62.5, ±125, ±250, ±500, ±1000 and ±2000dps. Gyroscope sensitivity error is specified at ±0.5%, while rate-noise density is only 0.0028dps/√Hz, or 2.8mdps/√Hz.
The integrated accelerometer provides selectable ±2g, ±4g, ±8g and ±16g full-scale ranges, with ±0.5% sensitivity error and only 70µg/√Hz acceleration noise density. User-programmable digital filters are available for the gyroscope, accelerometer and temperature sensor.
Integrated APEX motion functions include pedometer, tilt detection, tap detection, Wake on Motion, Raise-to-Wake/Sleep and Significant Motion Detection. The device also supports a real-time-clock input and high-resolution 19/18-bit gyro/accelerometer FIFO data formats.
Host connectivity includes up to 12.5MHz I3C, 1MHz I²C and 24MHz SPI. Both VDD and VDDIO operate from 1.71V to 3.6V. Typical six-axis current consumption in low-noise mode is only 0.88mA, combining precision motion sensing with relatively low system power.
The ICM-42688-P measures only 2.50 × 3.00 × 0.91mm and operates from -40°C to +85°C. TDK classifies the device as Commercial Grade, with AEC-Q100 listed as No.
TDK currently lists the ICM-42688-P as Production. Standard packaging is a 330mm reel with 12mm embossed plastic tape, containing 5000 devices per reel. The product is listed as RoHS compliant, REACH SVHC-Free, halogen-free and Pb-free.
Key Specifications:
- Brand: TDK / InvenSense
- Part Number: ICM-42688-P
- Product Type: 6-Axis MEMS IMU
- Sensors: 3-Axis Gyroscope + 3-Axis Accelerometer
- Gyroscope FSR: ±15.625 / ±31.25 / ±62.5 / ±125 / ±250 / ±500 / ±1000 / ±2000dps
- Gyroscope Sensitivity Error: ±0.5%
- Gyroscope Noise: 2.8mdps/√Hz
- Accelerometer FSR: ±2 / ±4 / ±8 / ±16g
- Accelerometer Sensitivity Error: ±0.5%
- Accelerometer Noise: 70µg/√Hz
- Programmable Digital Filters: Yes
- Pedometer: Yes
- Tilt Detection: Yes
- Tap Detection: Yes
- Wake on Motion: Yes
- Raise-to-Wake/Sleep: Yes
- Significant Motion Detection: Yes
- RTC Input: Yes
- FIFO Data Format: 19/18-Bit Gyro/Accel
- I3C: Up to 12.5MHz
- I²C: Up to 1MHz
- SPI: Up to 24MHz
- VDD: 1.71V to 3.6V
- VDDIO: 1.71V to 3.6V
- 6-Axis Low-Noise Current: 0.88mA
- Accurate External Clock Input: Supported
- Package Size: 2.50 × 3.00 × 0.91mm
- Operating Temperature: -40°C to +85°C
- Grade: Commercial
- AEC-Q100: No
- Packaging: 330mm Reel / 12mm Embossed Tape
- Reel Quantity: 5000 pcs
- RoHS Compliant: Yes
- REACH SVHC-Free: Yes
- Halogen-Free: Yes
- Pb-Free: Yes
- Product Status: Production.
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