LTC1821BIGW#PBF

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LTC1821BIGW#PBF is a digital-to-analog converter (DAC) multi-channel and high voltage selector IC designed to interface with digital communication and control systems to provide precise control of multiple external devices. The IC has 16 analog input channels, and one digital control line (the other digital control lines are configured as outputs). A user can configure the IC to select up to 16 independent control lines.

The LTC1821BIGW#PBF provides the flexibility of 16 independent analog channels to control any number of external devices, such as voltage controlled electronic devices, analog to digital converters (ADCs), display drivers, LED drivers and motor drivers. Through the use of its unique programming memory, LTC1821BIGW#PBF can be easily configured to control a variety of external devices to meet specific requirements.

The LTC1821BIGW#PBF operates from a single +5 V supply, and has built-in safety features, such as fault protection and current limiting. The IC offers a fast 300 KHz switching frequency, and can switch up to 16 channels in less than 1.5 us. It also offers a low-power shutdown mode to conserve power when not in use.

The LTC1821BIGW#PBF application field can be used to control multiple devices and perform data acquisition in applications such as medical imaging, audio visual multimedia systems, instrumentation / measurement and test equipment. Its working principle is based on its ability to detect changes in the digital control line and then select the appropriate analog channel to interface with external devices. Each channel is independently controlled and can be programmed with a unique voltage level.

The LTC1821BIGW#PBF offers a number of differential and single-ended input modes, allowing the user to select the best interface for an application. It also features an adjustable slew rate for each channel, providing additional flexibility for applications where low noise and fast settling times are required. The IC also features a low-pass filter for additional noise suppression.

The LTC1821BIGW#PBF also includes a unique mixed logic/analog control port which offers the ability to control up to 4 independent logic outputs, 4 independent analog outputs, and a single high-voltage output. This port can be used to control devices such as an injection-locked frequency synthesizer, a voltage variable attenuators, or a differential antenna array.

Overall, the LTC1821BIGW#PBF is an ideal solution for any application requiring multiple low-volume digital/analog control signals. Its wide range of features, flexibility and robust safety options make it an ideal choice for both industrial and consumer applications.

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