Home > Electronic Compass > Past Models
■AMI201 (not available)
■AMI204
■ Overview
The AMI204 is an intelligent electronic compass that integrates 2 MI sensors for detecting 2-axis magnetic fields and the IC necessary to control those sensors in one miniaturized package.
■ Features
Analog output
■ Applications
Electronic compass
Motion control (game)
Current sensor
| Item | Specification |
| Dimensions (W x D x H) | 3.5 x 3 x 0.8mm |
| Output Resolution | ±0.6μT / LSB |
| Measurement Range | ±0.2mT |
| Current Consumption (Operating) | 2.3mA (TYP) |
| (Stand by) | 1μA |
| Power Voltage | 2.6～3.6V |
| Magnetic Sensitivity | 2.4mV/μT (TYP) |
| Operating Temperature Range | -20℃～+85℃ |
■ Datasheet
■AMI302 (not available)
■AMI304 DataSheet (download)
■AMI304 DataSheet (download)
■AMI306
■ Overview
The AMI306 is an intelligent electronic compass that integrates various MI sensors for detecting 3-axis magnetic fields and the IC necessary to control those sensors in one miniaturized package.
The IC used to control the AMI306 contains specialized circuits to detect magnetic signals from 3 MI sensors, an amplifier to calibrate each sensor's starting point and sensitivity to the proper figures, a temperature sensor that measures ambient temperature, a 12bitAD converter, an I2C serial output circuit, a fixed voltage circuit, and logic circuits to control each circuit.
■ Features
Magnetic Resolution：0.16 μT
Noise: ±0.4 μT
Azimuth precision：±１ degree
Required current：150μA (@50ms)
Measuring Period ：0.5 ms
Measurement Range：±1.2 mT
Interface：I2C
■ Uses
Electronic compass (smartphone, digital camera, etc)
Motion control (games, head mount display, etc.)
| Category | Specification |
| External Size (W x D x H) | 2.04 x 2.04 x 1.0 mm |
| Output resolution power | 0.16μT / LSB |
| Scope for magnetic measurement | ±1.2mT |
| Power Consumption | 150μA (@50ms) |
| Drive voltage (analog component) | 1.7～3.6V |
| Drive voltage (digital component) | 1.7～VDD |
| Interface | I2C |
| Usable temperature range | -40℃～+85℃ |
■AMI601 (not available)
■AMI602 t (not available)
■AMI603
■ Overview
The AMI603 is an intelligent electronic compass that integrates various MI sensors for detecting 3-axis magnetic fields and silicon mems accelerometer for detecting 3-axis acceleration and the IC necessary to control those sensors in one miniaturized package.
The IC used to control the AMI603 contains specialized circuits to detect magnetic signals from 3 MI sensors, 3 MEMS accelerometers, an amplifier to calibrate each sensor's starting point and sensitivity to the proper figures, a temperature sensor that measures ambient temperature, a 12bitAD converter, an I2C serial output circuit, a fixed voltage circuit, and logic circuits to control each circuit.
Pedometer function is included.
■ Features
Magnetic Resolution：±0.4 μT
Azimuth precision：±3 degrees
Required current：500μA (@20ms)
Measurement Range：±1.2 mT
Interface：I2C
Pedometer function, low power consumpution: 260μA
| Category | Specification |
| External Size (W x D x H) | 3.0 x 3.0 x 1.1 mm |
| Output resolution power | ±0.4μT / LSB |
| Scope for magnetic measurement | ±1.2mT |
| Power Consumption | 500μA (@20ms) |
| Drive voltage (analog component) | 2.4～3.6V |
| Drive voltage (digital component) | 1.65～VDD |
| Interface | I2C |
| Usable temperature range | -40℃～+85℃ |
■ Uses
Electronic compass (smartphone, digital camera, etc)
Motion control (games, head mount display, etc.)
Pedometer
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