The MAX9934TAUA+ is a high-precision, low-voltage current sense amplifier designed in an 8-pin µMAX package. It provides a current output and features a chip select for multiplexing applications. This device is ideal for both bidirectional (charge/discharge) and unidirectional current measurements in battery-powered portable and laptop devices. Its high accuracy allows for the use of very small sense voltages, typically ±10mV full-scale, for minimally invasive current sensing. The output current is proportional to the input sense voltage, with a gain of 25µA/mV and a gain accuracy better than 0.25% at 25°C. The chip select enables multiple MAX9934 units to be multiplexed into a single ADC channel, compatible with 1.8V and 3.3V logic levels. When powered down, the device consumes less than 0.1nA leakage current, reducing battery drain. It is robust and protected against input differential voltages up to ±6V. The supply voltage range is 2.5V to 3.6V, with an operational temperature range from -40°C to 125°C. It features a low input offset voltage of 10µV, an input common-mode voltage range of -0.1V to 5.5V, and a quiescent current of approximately 120µA. The output current allows selection of ROUT for gain flexibility. Suitable applications include signal processing and portable devices. Note: Lead times may be extended due to high market demand, affecting delivery schedules.
Purchase the Maxim MAX9934TAUA+ online today to benefit from its exceptional accuracy and low power consumption. This high-precision, low-voltage current sense amplifier is perfect for portable and battery-operated systems requiring bidirectional and unidirectional current monitoring. Its robust design includes protection against input faults and a low input offset voltage of 10µV. With versatile features like chip select for multiplexing, compatibility with logic levels of 1.8V and 3.3V, and operation from 2.5V to 3.6V, it ensures reliable performance in signal processing and power management applications. Buy now to secure fast delivery and optimize your electronic designs with this industry-leading component.
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