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INA226是一款分流/功率监视器,具有I2C™或SMBUS兼容接口。该器件监视分流压降和总线电源电压。可编程校准值,转换时间和取平均值功能与内部乘法器相结合,可实现电流值(单位为安培)和功率值(单位为瓦)的直接读取。
INA226可在0V至少36V的共模总线电压范围内感测电流,与电源电压无关。该器件由一个2.7V至5.5V的单电源供电,电源电流典型值为330μA。该器件的额定工作温度范围为? ?40°C至125°C,I 2 C兼容接口上具有多达16个可编程地址。
Common Mode Voltage (Max) (V) |
Common Mode Voltage (Min) (V) |
Input Offset (+/-) (Max) (uV) |
Input Offset Drift (+/-) (Typ) (uV/C) |
Gain (V/V) |
Gain Error (%) |
Gain Error Drift (Max) (ppm/°C) |
CMRR (Min) (dB) |
Bandwidth (kHz) |
Supply Voltage (Max) (V) |
Supply Voltage (Min) (V) |
Iq (Max) (mA) |
Digital Interface |
Features |
Rating |
Operating Temperature Range (C) |
Package Group |
Package Size: mm2:W x L (PKG) |
INA226 | INA230 | INA233 |
---|---|---|
36 | 28 | 36 |
0 | 0 | 0 |
10 | 50 | 10 |
0.02 | 0.1 | 0.02 |
1 | 1 | 1 |
0.1 | 0.5 | 0.1 |
50 | 50 | 25 |
126 | 100 | 126 |
3.5 | 3.5 | 3.5 |
5.5 | 5.5 | 5.5 |
2.7 | 2.7 | 2.7 |
0.42 | 0.42 | 0.4 |
I2C SMBus | I2C SMBus | I2C PMBus SMBus |
Alert Function Bi-directional Low-side Capable | Alert Function Bi-directional Low-side Capable | Alert Function Bi-directional Integrated Power Accumulator Low-side Capable |
Catalog | Catalog | Catalog |
-40 to 125 | -40 to 125 | -40 to 125 |
VSSOP | VQFN | VSSOP |
10VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 16VQFN: 9 mm2: 3 x 3(VQFN) | 10VSSOP: 15 mm2: 4.9 x 3(VSSOP) |