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Author ：Iflowpower – Portable Power Station Supplier
US Analog Devices (ADI) publishes a precise operational amplifier that meets the requirements of power consumption, voltage, accuracy and price in portable battery power supply applications. The power consumption of the AD8500 is 30% lower than other solutions, and can work at 1.8V low supply voltage without sacrificing its precision performance.
The perfect combination of the AD8500 low-power, low voltage and high precision characteristics extended the life of the battery in portable applications, such applications to ensure accurate precision detection, such as firework detectors, blood glucose monitors, and remote sensors. In addition, the operational amplifier adopts ultra-small standard surface stickers to meet the requirements of size restrictions in battery power applications and market demand in markets. "This new operational amplifier further expands the product type of the precision amplifier of ADI's low voltage and low power work, and meets the price requirements for large quantities," said Mr.
SteveSockolov, Director of Precision Signal Processing Department, ADI. "The AD8500 uses advanced design technology to supply extremely low power current and excellent disorder performance. These two characteristics ensure accurate detection in battery power applications that do not need to replace battery (or charging) long-term work.
"The AD8500 is a precision CMOS operational amplifier, and its power supply is only 1 micron (μA). The chip can be powered by 1.8V ~ 5.
5V single power or ± 0.9V ~ ± 2.75V dual power supply.
This low supply voltage performance allows the battery to be powered by a battery that meets the full-discharge curve, thereby extending the battery life. The AD8500 has 1 millivolviv (MV) maximum duty voltage and 1 pita (PA) low input bias current performance. Its input and output amplitude is close to the full power source swing (R-R) characteristic of the power supply voltage to facilitate the maximum dynamic range and signal-to-noise ratio of the system under extremely low supply voltage.
The low offset voltage characteristics of the AD8500 allow it to be used in high gain systems without excessive output offset error, and allows it to supply high precision without system calibration. Since the AD8500 has low power, low input bias current and RR input output characteristics, it is ideal for consumer, medical and safety applications, medicine and safety applications, such as electrocardiographs (ECG), pulse monitor, blood glucose detectors. , Fireworks detector, safety system, gas detector, fetter battery sensor, UV (UV) detector in insulin pump and mobile phone.
In order to make the system power consumption to the lowest and the signal chain performance is optimized, the AD8500 can match the low-power precision analog-to-digital converter (ADC) of ADI, such as AD7788.
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