三轴磁传感器
超小型封装
用于各种目的的三轴磁性智能开关
AK09973D
测量范围宽,分辨率高,适合与磁体结合使用
AK09973D非常适合与磁体结合使用,进行非接触式的相对距离、姿态和角度的检测。利用磁性阈值中断功能和超低功耗,它也适合于电池供电的安全监测设备。
AK09973D采用了5引脚的WL-CSP封装,球间距为0.4 [mm]。尺寸为1.18 × 0.78 × 0.55 [mm],其中2个引脚用于供电,2个引脚用于I2C通信,还有一个中断输出引脚。
Specifications Comparison
Tri-axis Magnetic Sensors | ||||
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Ultra-small Tri-axis Magnetic Smart Switch |
Ultra-small Tri-axis Magnetic Smart Switch |
Tri-axis Magnetic Smart Switch |
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Part Number | AK09973D | AK09970D | AK09970N | |
Magnetic sensor technology | Si Hall | Si Hall | Si Hall | |
Power supply (VDD) | [V] | 1.65 to 1.95 | 1.7 to 3.6 | 1.7 to 3.6 |
Magnetic sensitivity | [μT/LSB] | 1.1 (High sensitivity setting) |
1.1 | 1.1 |
Measurement range | [mT] | X,Y,Z ±36 | X,Y,Z ±36 | X,Y,Z ±36 |
Measuremet time | [ms] | 0.265 (Low power drive) |
0.23 | 0.23 |
Current consumption @100Hz ODR (Low power drive) |
[μA] | 22 (Low power drive) |
27 | 27 |
Current consumption when measuring |
[mA] | 1.4 | 1.5 | 1.5 |
Output pin | Interrupt pin (Open Drain) |
Interrupt pin (Open Drain) |
Interrupt pin (CMOS / Open Drain) |
|
Max. ODR | [Hz] | 2000 | 2000 | |
Interface | I2C (Two selectable Slave addresses) |
I2C | SPI / I2C | |
Package | 5-pin WL-CSP | 6-pin WL-CSP | 16-pin QFN | |
Package Size | [mm] | 1.18 × 0.78 × 0.55 | 1.35 × 1.35 × 0.57 | 3.0 × 3.0 × 0.75 |
Status | NEW | NRND | NRND |
高精度三轴磁传感器
AK09940A
AK09940A是一款使用TMR磁性传感器元件达到超低噪声性能的超小型三轴电子磁强计,具有数字输出。对于X、Y和Z轴,磁场矢量都以18位数字值输出。
除了金属瑕疵或金属异物检测,它可能还可以用于许多尚未进行磁性检测的领域。
Specifications Comparison
Tri-axis Magnetic Sensors | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Ultrahigh precision 3-axis Electronic Magnetometer |
Ultrahigh precision 3-axis Electronic Magnetometer |
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Part Number | AK09940A | AK09940 | ||||||||
Magnetic sensor technology |
TMR | |||||||||
Power supply (VDD) | [V] | 1.7 to 1.98 | ||||||||
Magnetic sensitivity | [μT/LSB] | 0.01 | ||||||||
Measurement range | [mT] | ±1.2 | ||||||||
Measuremet time | [ms] | 0.35 | 0.6 | 0.9 | 1.5 | 2.8 | 0.6 | 0.9 | 1.5 | 2.8 |
Current consumption @100Hz ODR (Low power drive) |
[μA] | 16 | 30 | 60 | 100 | 200 | 30 | 60 | 100 | 200 |
Noise | [nT-rms] | 120 | 70 | 60 | 50 | 40 | 70 | 60 | 50 | 40 |
Current consumption when measuring |
[mA] | 0.8 | ||||||||
Output pin | DRDY | |||||||||
Max. ODR | [Hz] | 2500 | 400 | |||||||
Interface | I²C / 4-wire SPI | |||||||||
Package | 11-pin ULGA | |||||||||
Package Size | [mm] | 1.6 × 1.6 × 0.58 | ||||||||
Status | ES: Avialable MP: 2023/Q2 |
EOL |
Selection Table
Part Number |
Part Status |
Power Supply Voltage (MIN.) [V] |
Power Supply Voltage (MAX.) [V] |
Magnetic Sensitivity [μT/LSB] |
Measurement range [mT] |
Measurement Time [ms] |
Noise (Power Mode) [nT rms] |
Current Consumption (@100Hz ODR) [μA] |
Current Consumption when measuring [mA] |
Output pin |
Control Interface |
Max. ODR [Hz] |
Operating Temperature [℃] |
Device Package |
Number of Pins |
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AK09940A |
MP |
1.7 |
1.98 |
0.01 |
±1.2 |
0.35 / 0.6 / 0.9 / 1.5 / 2.8 |
120 / 70 / 60 / 50 / 40 |
16 / 30 / 60 / 100 / 200 |
0.8 |
DRDY |
I²C / 4-wire SPI |
2500 |
-30 to 85 |
ULGA |
11 |
AK09973D |
MP |
1.65 |
1.95 |
1.1 (High sensitivity setting) |
X, Y, Z ±36 (High sensitivity setting) |
0.265 (Low power drive) |
22 (Low power drive) |
1.4 |
Interrupt pin (Open Drain) |
I²C (Two selectable Slave addresses) |
-30 to 85 |
WLCSP |
5 |