BH2227FV-E2 Integrated Circuits (ICs)

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The BH2227FV-E2 is a low-power Digital to Analog Converter (DAC) used in data acquisition applications, digital gain/attentuation and variable attenuators. It supports current output as well as float-correction to handle small digital code variations. In addition, it can automatically detect and select multiple band digital codes, allowing users to achieve automatic bilateral attenuator control. Moreover, it has a wide dynamic range, superior linearity and low distortion.

The BH2227FV-E2 is made of mainly two components: a high-precision and low-distortion DAC, and a floating-point incremental divider. The user can enter the bottom and top limits to the DAC via the PC, and the incremental divider will find the appropriate code. This code is then passed on to the DAC, which generates a current that reflects the input level. This current is then sent to the output speakers, the light source or the attenuators, depending on the application.

The accuracy of the BH2227FV-E2 is ensured through a 4-bit calibration circuit. This circuit ensures that the output current is exactly within the defined parameters. Moreover, it includes an integrated digital filter to reduce noise in the output and help achieve better performance. The device also supports an asynchronous/synchronous mode, so users can select the best mode for their needs.

The BH2227FV-E2 also has a set of output connectors that are compatible with standard signals, allowing users to easily interface with different devices. It is composed of a single +5.0 V supply, allowing it to be easily integrated into existing system designs. The power consumption of the device is quite low, requiring only 4 mA in standby mode.

Overall, the BH2227FV-E2 is an ideal device for data acquisition, digital gain/attenuation and variable attenuator applications. It provides wide dynamic range, superior linearity and low distortion, as well as automatic bilateral attenuation control. In addition, it has an integrated digital filter to reduce noise in the output and supports asynchronous/synchronous modes. The device is also quite power-efficient, requiring only 4 mA in standby mode.

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