The MAX4073HAXK+T is a high-side current sense amplifier designed for accurate and cost-effective current monitoring in various electronic systems. It features a voltage output with a gain of +100V/V and is packaged in a 5-pin SC-70. This device eliminates the need for gain-setting resistors, making it ideal for applications requiring precise current measurement without interfering with ground paths, such as battery-powered systems. Its input common mode range of +2V to +28V is independent of supply voltage, and it offers a bandwidth of 1.6MHz, suitable for use in battery charger control loops. The amplifier provides a fixed gain combined with external sense resistors to set full-scale current readings, offering a simple and compact solution for current sensing in various electronic applications, including PA bias control and system monitoring. Additional features include a supply voltage range of 3V to 28V, automotive temperature operation from -40°C to 125°C, ±1% gain accuracy at 25°C, low supply current of 500µA at 28V, 90dB common-mode rejection ratio at 12V, input bias current of 40µA, and power supply rejection ratio of 90dB across the supply range. Its extrapolated input offset voltage is approximately 1mV at 12V supply. This device is suitable for sensing, instrumentation, signal processing, portable devices, and consumer electronics.
Experience precise current measurement with the Maxim MAX4073HAXK+T, a high-side current sense amplifier offering 100V/V gain, wide input range, low power consumption, and compact SC-70 packaging. It is ideal for battery-powered systems, PA bias control, and system monitoring. Operating from 3V to 28V and with an automotive temperature range from -40°C to 125°C, this device ensures reliable performance in demanding environments. Its simple design, external sense resistor configuration, and excellent common-mode rejection make it the optimal choice for accurate, compact, and cost-effective current sensing solutions in electronics and instrumentation applications.
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