The ST TSV772 dual operational amplifier (op amp) has both high accuracy and low power consumption, and a very small 2.0mm x 2.0mm DFN8 package is optional. TSV772 belongs to the high-performance 5V operational amplifier series of Italian French Semiconductor. It has rail to rail input and rail to rail output, the gain bandwidth product (GBW) is 20MHz, the unit gain is stable, the voltage swing rate is 13V/µ s, the input noise density is 7nV/√ Hz, and the 4kV ESD protection capability (HBM). It is a powerful all-purpose product.
The maximum input offset voltage is 200 µ V (25 ° C), which can accurately measure low amplitude input signals. The inherent high precision can also save expensive external precision resistors, and can avoid adjusting or calibrating the circuit on the production line. The rated output capacitance of TSV772 is 47pF, which is convenient to be used as the input buffer of A/D converter.
The TSV772 has a minimum power supply voltage of 2.0V, which can be connected to the power rail of the low-power microcontroller, simplifying the system power supply design. The low minimum power supply voltage has another advantage. In the application where the power supply is a deep discharge battery, the battery life of the device can be extended. It is also applicable to smoke detectors and other product instruments. With the speed and energy efficiency of this amplifier, the device can save battery power and extend the battery life of intelligent functions and wireless connections.
The new operational amplifier also supports accurate current measurement, providing a starting point for improving the power conversion efficiency of solar power generation, telecommunications infrastructure equipment, computer servers and other systems. In addition to TSV772, the high-performance 5V operational amplifier series of STC also includes dual channel 50MHz TSV792 and dual channel 22MHz TSV7722. TSV7722 is very suitable for low side current detection applications, and is optimized for common mode voltages close to ground.
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