ICM-42688-V
6-Axis MEMS IMU · Ultra-Low Noise Gyro · ±2000dps / ±16g · LGA-14 · TDK InvenSense
| Part Number | ICM-42688-V |
|---|---|
| Manufacturer | TDK InvenSense |
| Sensor Type | 6-Axis (3-Axis Gyro + 3-Axis Accel) |
| Gyroscope Range | ±250 / ±500 / ±1000 / ±2000 dps (selectable) |
| Accelerometer Range | ±2 / ±4 / ±8 / ±16 g (selectable) |
| Gyro Noise Density | 0.0035 °/s/√Hz (ultra-low) |
| Gyro Zero-Rate Bias | ±0.5 °/s (typical) |
| Accel Noise Density | 80 µg/√Hz (typical) |
| Data Output Rate | up to 32 kHz (gyro), up to 7.5 kHz (accel) |
| Package | LGA-14 (2.5×3.0×0.86mm) |
| Supply Voltage | 1.71 V – 3.6 V |
| Operating Temperature | −40°C to +85°C |
| Supply Voltage (VDD) | 1.71 V – 3.6 V |
|---|---|
| VDDIO (I/O Voltage) | 1.71 V – 3.6 V |
| Current Consumption (Gyro) | 1.4 mA typical (all axes active) |
| Current Consumption (Accel) | 0.23 mA typical |
| Low Power Mode | ~0.35 mA combined |
| Sleep Mode Current | < 5 µA |
| FIFO Buffer | 1 KB (1024 bytes) hardware FIFO |
| Interrupt Output | Configurable wake-on-motion, data ready |
| A/D Resolution (Gyro) | 16-bit |
| A/D Resolution (Accel) | 16-bit |
| Digital Interface | I²C up to 400 kHz, SPI up to 24 MHz |
|---|---|
| I²C Address | Selectable (0x68 or 0x69 via AD0 pin) |
| SPI Mode | Mode 0 or Mode 3 (CPOL/CPHA selectable) |
| FIFO Features | Bypass, Stream, FIFO modes; timestamp |
| Interrupt Pin | Active-high or active-low configurable |
| Self-Test | Built-in self-test for both gyro and accel |
| Sensor Fusion Engine | On-chip DMP (Digital Motion Processor) support |
| Register Map | Compatible with ICM-20602 / ICM-42605 series |
| Pins | 14-pin LGA (SDI, SDO, SCLK, CSn, AD0, INT1, INT2, VDDIO, GND, NC×2, VDD, NCS) |
| Part Number | ICM-42688-V |
|---|---|
| Orderable Qty | 1 pcs – 10,000+ pcs |
| Price (1–9 pcs) | Contact for quote |
| Price (10–99 pcs) | Contact for quote |
| Price (100–499 pcs) | Contact for quote |
| Price (500+ pcs) | Best pricing available |
| Lead Time (stock) | 3–7 business days |
| Packaging | Tape & Reel (T&R) |
| RoHS Compliant | Yes (Pb-free) |
Please confirm exact parameters with manufacturer datasheet.
The ICM-42688-V is a high-performance 6-axis MEMS inertial measurement unit (IMU) from TDK InvenSense. It combines an ultra-low noise 3-axis gyroscope and a 3-axis accelerometer in a compact LGA-14 package. With a gyroscope range of up to ±2000 dps and an accelerometer range of up to ±16 g, this sensor delivers exceptional precision for demanding aerospace and robotics applications.
What sets the ICM-42688-V apart is its industry-leading gyro noise density of only 0.0035 °/s/√Hz, making it one of the quietest MEMS gyroscopes available on the market today. This ultra-low noise characteristic is critical for racing drones and FPV platforms, where even tiny amounts of gyro drift can degrade flight stability and control responsiveness at high throttle.
The sensor supports both I²C (400 kHz) and SPI (24 MHz) digital interfaces, providing flexible integration options for various flight controller architectures. Its on-board 1 KB hardware FIFO buffer reduces CPU overhead by allowing burst reads of sensor data — a key advantage when running high-rate control loops such as those found in modern Betaflight firmware configurations.
Key Features
- Ultra-low noise gyroscope: 0.0035 °/s/√Hz noise density — best-in-class performance
- Wide dynamic range: ±2000 dps gyro, ±16g accel — handles aggressive maneuvering
- High data output rates: up to 32 kHz gyro ODR for ultra-fast response
- Dual digital interfaces: SPI up to 24 MHz + I²C up to 400 kHz
- 1 KB hardware FIFO with timestamp support for efficient data handling
- Built-in self-test function for both gyroscope and accelerometer channels
- Compact LGA-14 package (2.5×3.0×0.86 mm) ideal for space-constrained FC designs
- Wide operating voltage: 1.71V – 3.6V, industrial temperature −40°C to +85°C
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