AD637KDZ

Series:	--
Packaging:	Tube
Part Status:	Active
Current - Supply:	2.2mA
Voltage - Supply:	±3 V ~ 18 V
Mounting Type:	Through Hole
Package / Case:	14-CDIP (0.300", 7.62mm)
Supplier Device Package:	14-CDIP
Base Part Number:	AD637

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PMIC - RMS to DC ConvertersThe AD637KDZ is an innovative device that offers a novel solution for the conversion of RMS signals to DC signals. The integrated circuit is designed to support a wide variety of applications such as audio level meters, peak measurement modules and signal conditioning systems. The AD637KDZ utilizes a novel design that combines gains and active filter capabilities along with full-wave rectifier circuits within a single integrated circuit solution. This RMS-to-DC converter is capable of detecting any type of periodic multi-cycle waveform, which makes it highly suitable for numerous applications that demand higher accuracy levels. The AD637KDZ consists of four main components with distinct operation principles. First, the adaptive-gain-tracking amplifier has an adjustable unity-gain bandwidth of 1 MHz in order to compensate for any input signal variance. Second, there is a second amplifier, which boosts the input signal to the necessary level and also provides high common-mode rejection of 65 dB. Third, the rectifier section is responsible for the conversion of RMS signals to DC signals. This section is comprised of a full-wave rectifier, a low-pass filter, a peak voltage diverter, and an output amplifier. Lastly, a summing amplifier is found within the AD637KDZ, which transforms the input signal into a square-root signal. The AD637KDZ is capable of operating within a supply voltage range from +7V to +25V, which means the device can be operated with single or dual synds. It has a rated output voltage between 0 and 10V, with a minimum settling time of 1ms. The AD637KDZ features a range of additional features such as remote sense, power good and remote shutdown. Those features, together with the fact that the device supports both single- and dual-supply operation, make it suitable for many different types of applications.The AD637KDZ is suitable for a wide range of applications and the device can easily be adapted to the requirements of each individual application. Its adjustable gain and robustness make it ideal for applications that require high accuracy, such as digital audio level meters, and for applications that require little external circuitry, such as peak measurement modules and signal conditioning systems. Additionally, its wide input dynamic range and fast transient response offer great performance for short-duration signals, as well as low- and high-level signals. The AD637KDZ is a highly reliable device that provides high accuracy and low power consumption. It’s built-in protection circuits make it suitable for a wide range of industrial applications. With its adjustable gain, high common-mode rejection, wide input dynamic range, and fast transient response, it is a superior choice for various RMS to DC applications. Overall, the AD637KDZ is an ideal solution providing low-cost, integrated RMS-to-DC conversion. Its combination of performance and features make it an efficient choice for various industrial applications that require accurate, low-power and low-cost RMS-to-DC conversion.

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