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ITG-3205

Name: ITG-3205
Rating: 4.7 (12 reviews)

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規格

Part Status	Obsolete
Type	Digital
Axis	X (Pitch), Y (Roll), Z (Yaw)
Range °/s	±2000
Bandwidth	5Hz ~ 256Hz
Output Type	I2C, SPI
Voltage - Supply	2.1V ~ 3.6V
Current - Supply	6.5 mA
Features	Adjustable Bandwidth, Selectable Scale, Temperature Sensor
Operating Temperature	-40°C ~ 105°C
Package	24-VFQFN Exposed Pad
Packaging	Bulk

概述

Description

ITG-3205 is a 3-axis MEMS gyroscope sensor from InvenSense (TDK). It measures angular velocity about X, Y, and Z and outputs digital data over I2C (and optionally SPI) to a microcontroller. It’s used in IMUs for drones, robotics, stabilizers, wearables, etc.
Key points:
- 3-axis angular-rate sensor with 16-bit output per axis
- Programmable full-scale range (typically up to ±2000°/s) and data rate
- Digital low-pass filter option, interrupts/data-ready signals
- Built-in temperature sensor, low power modes, compact package
How it’s used: connect power and I/O, configure registers, read the 6 gyro bytes, and convert to degrees per second using the sensitivity factor. Often fused with an accelerometer for motion tracking.

Features

ITG-3205 features (concise):
- 3-axis MEMS gyroscope
- I2C digital output only (fast-mode up to 400 kHz); address selectable via AD0 (0x68 or 0x69)
- Full-scale range: ±2000 °/s
- 16-bit data per axis (two’s complement)
- Programmable output data rate (ODR) up to 1 kHz with selectable digital low-pass filter bandwidth
- On-chip temperature sensor
- Power supply typically 2.4–3.6 V (low-power modes available)
- Normal and sleep power modes; low current consumption
- Self-test and basic calibration features
- Interrupt/data-ready signaling via INT pin
- Small package suitable for wearables/IMU applications

Package

ITG-3205 is packaged in a 16‑pin LGA (QFN‑style) package, intended for surface mounting (about a 4×4 mm body).

Pinout

- Pin count: 16 pins (QFN/LGA package).
- Function: 3-axis MEMS gyroscope. It provides angular-rate measurements for X, Y, Z axes and communicates digitally via I2C or SPI (power pins VDD/VDDIO, GND, and bus/interrupt pins such as SCL/SDA or SCK/SDI/SDO/CS and FSYNC/INT).

Manufacturer

Manufacturer: InvenSense. What kind of company: a fabless semiconductor company that designs and sells MEMS inertial sensors (gyroscopes, accelerometers, IMUs); it is now part of TDK Corporation after acquisition.

Application

ITG-3205 is a 3-axis MEMS gyroscope used for angular-rate sensing. Typical applications include:
- Drones/UAV attitude stabilization
- Robotics and autonomous systems
- Consumer electronics (smartphones, wearables, game controllers)
- VR/AR head tracking
- RC and model aircraft
- Gesture control and motion sensing
- Industrial automation and human–machine interfaces

Equivalent

Common equivalents (3-axis MEMS gyros with similar interfaces):
- STMicroelectronics L3G4200D
- InvenSense ITG-3200
- InvenSense MPU-6050 / MPU-6500 / MPU-9250 family (gyro portion)
- Analog Devices ADXRS290 / ADXRS450 (analog-output gyros)
Note: exact pinout, interface, and performance vary; verify per-app needs.