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Address: 1702, Dingcheng international building, Zhonghang Road, Futian District, Shenzhen
Contact name:DANDAN
Shenzhen Sai Collie Technology Co., Ltd. |
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INA281A1QDBVRQ1 Amplifier IC Chips
High Precision Current Sense Amplifiers Automotive AEC-Q100 1.3MHz Package SOT-3-5
| 1 Channel | |
| 1.3 MHz | |
| 48 V | |
| 140 dB | |
| 20 uA | |
| 100 uV | |
| 20 V | |
| 2.7 V | |
| 1.5 mA | |
| 0.07 % | |
| - 40 C | |
| + 125 C | |
| SMD/SMT | |
| SOT-3-5 | |
| AEC-Q100 | |
| Reel | |
| Cut Tape | |
| Amplifier Type: | High Precision Current Sense Amplifier |
| Brand: | Texas Instruments |
| Development Kit: | INA281EVM |
| en - Input Voltage Noise Density: | 50 nV/sqrt Hz |
| Gain V/V: | 20 V/V |
| Output Type: | Analog |
| Pd - Power Dissipation: | 2.5 W |
| Product: | Current Sense Amplifiers |
| Product Type: | Current Sense Amplifiers |
Description
The INA281-Q1 is a high-precision current sense amplifier that can
measure voltage drops across shunt resistors over a wide
common-mode range from –4 V to 110 V. The negative common-mode
voltage allows the device to operate below ground, thus
accommodating precise measurement of recirculating currents in
half-bridge applications. The combination of a low offset voltage,
small gain error and high DC CMRR enables highly accurate current
measurement. The INA281-Q1 is not only designed for DC current
measurement, but also for high-speed applications (like fast
overcurrent protection, for example) with a high bandwidth of 1.3
MHz and an 65-dB AC CMRR (at 50 kHz).
The INA281-Q1 operates from a single 2.7-V to 20-V supply, drawing 1.5 mA of supply current. The INA281-Q1 is available with five gain options: 20 V/V, 50 V/V, 100 V/V, 200 V/V, and 500 V/V. These gain options address wide dynamic range for current-sensing applications.
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