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INA21x为电压输出,分流监控器(也称作电流感测放大器)。该器件通常可针对系统优化提供过流保护和精密电流测量,还常用于闭环反馈电路。该系列器件可感测分流电阻在-0.3V至26V共模电压范围内的压降,与电源电压无关。共有6种固定增益可供选用:50V /V, 75V /V,100V /V,200V /V,500V /V或1000V /V.该系列器件采用零漂移架构,偏移较低,因此在进行电流感测能能够分流电阻两端的最大压降保持在10mV满量程以下。
该系列器件可由电压为2.7V至26V的单电源供电,最大电源流耗为100μA。所有器件版本均在-40°C至+ 125°C的扩展运行温度范围内
额定运行,采用SC70和UQFN封装。
所有商标均为其各自所有者的财产。
| 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) |
| Number of Channels (#) |
| Features |
| Rating |
| Operating Temperature Range (C) |
| Package Group |
| Package Size: mm2:W x L (PKG) |
| INA210 | INA190 | INA199 |
|---|---|---|
| 26 | 40 | 26 |
| -0.3 | -0.1 | -0.1 |
| 35 60 100 | 15 20 25 | 150 |
| 0.1 | 0.05 | 0.1 |
| 100 1000 200 50 500 75 | 100 200 25 50 | 50 |
| 0.5 | 0.3 | 1 |
| 10 | 5 | 10 |
| 105 | 120 | 100 |
| 80 40 30 14 7 4 | 40 37 35 30 20 | 80 30 14 |
| 26 | 5.5 | 26 |
| 2.7 | 1.7 | 2.7 |
| 0.115 | 70 | 0.115 |
| 1 | 1 | 1 |
| Bi-directional Low-side Capable | Bi-directional Low-side Capable | Bi-directional Low-side Capable |
| Catalog | Catalog | Catalog |
| -40 to 125 | -40 to 125 | -40 to 125 |
| SC70 UQFN | UQFN | SC70 UQFN |
| 6SC70: 4 mm2: 2.1 x 2(SC70) 10UQFN: 3 mm2: 1.4 x 1.8(UQFN) | 10UQFN: 3 mm2: 1.4 x 1.8(UQFN) | 6SC70: 4 mm2: 2.1 x 2(SC70) 10UQFN: 3 mm2: 1.4 x 1.8(UQFN) |