INA230 是一款具有 I2C 接口(特有 16 个可编程地址)的双向电流和功率监视器 。INA230 监视分路电压压降和总线电源电压。可编程校准值、转换时间、和取平均值,与一个内部乘法器相组合,实现电流值(安培)和功率值(瓦)的直接读取。
INA230 可检测 0V 至 36V 总线上的电流,由 2.7V 至 5.5V 单电源供电,电源电流消耗为 330µA(典型值)。INA230 额定运行温度范围为–40°C 至 +125°C。
| Common-mode voltage (max) (V) | 36 |
| Common-mode voltage (min) (V) | 0 |
| Input offset (±) (max) (µV) | 25 |
| Input offset drift (±) (max) (µV/°C) | 0.1 |
| Input offset drift (±) (typ) (µV/°C) | 0.05 |
| Voltage gain (V/V) | 1 |
| CMRR (min) (dB) | 120 |
| Supply voltage (max) (V) | 5.5 |
| Supply voltage (min) (V) | 2.7 |
| Iq (max) (mA) | 0.42 |
| Digital interface | I2C, SMBus |
| Gain error (%) | 0.3 |
| Gain error drift (±) (max) (ppm/°C) | 50 |
| Features | Alert Function, Bidirectional, Intergrated Power Monitor, Low-side Capable |
| Number of channels | 1 |
| Resolution (Bits) | 16 |
| Power measurement accuracy (%) | 0.6 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 125 |
| VQFN (RGT) | 16 | 9 mm² 3 x 3 |
| VSSOP (DGS) | 10 | 14.7 mm² 3 x 4.9 |