AD790SQ

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Linear comparators are electronic devices that compare two analog or digital input signals and indicate which is larger or smaller. The AD790SQ comparator is a low power, single supply comparator with superior ac performance. The device is capable of driving output currents up to 20 mA and comes in the 8-pin SOIC package. It operates on supplies as low as 2.7V and can handle up to 30V supplies.

The AD790SQ was designed to provide reliable analog performance with low current consumption and low input bias current. It features an ultra-high speed bipolar Op-Amp with a 3.2V common mode voltage range and 200µA quiescent current. The device also offers a wide output voltage swing and a wide input signal range. The AD790SQ provides excellent ac common mode rejection ratio of more than 70dB.

The AD790SQ comparator is ideal for industrial, consumer, and medical applications that require low-power, low-cost analog performance. It can be used in applications such as signal conditioning and signal de-modulation, as well as signal switching and signal amplifying. Additionally, the device can be used for sample and hold and bridge applications. The comparator is also suitable for use in data conversion and high-speed analog-to-digital converter (ADC).

The AD790SQ uses an internal or external feedback loop to determine the output state. When the input voltage is greater than the reference, the output is driven high. When the input voltage is less than the reference, the output is set low. The device is available in both single-ended and differential configurations. When using the single-ended configuration, the device can be operated in either open-loop or closed-loop configurations. The open-loop configuration provides greater hysteresis and greater offset range. The closed-loop configuration is more suitable for applications requiring lower output impedance and better speed than the open-loop configuration.

The comparator also has latch-up protection, which prevents the output from latching up under certain conditions. The latch-up protection also helps to ensure that the output remains stable and does not flip-flop between high and low states. The comparator is also temperature compensated, which ensures consistent performance across a wide temperature range.

The AD790SQ comparator is a reliable, low power and low cost solution for applications requiring linear performance. The adjustable hysteresis, low power and wide input signal range make it ideal for a wide range of applications. The device is robust and reliable and offers excellent ac performance and fast settling times. The latch-up protection and temperature compensation ensure reliable operation over temperature, while the wide output voltage swing makes it suitable for a variety of applications.

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