LTC2619CGN#TRPBF

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The LTC2619CGN#TRPBF is one of Texas Instruments’ current-output digital-to-analog converters (DAC), a kind of product within the Data Acquisition category. As a digitally programmable output device, it provides precision analog output from 8-bits up to 16-bits with a voltage range as low as 1.25V and as large as 5V. Along with its wide output range, it has a resolution of 6.25mV/bit and accuracy of +/-16LSB max. The small sizing of the device, 12-bump DFN 2x2 package, contributes to its fast and small design while being easy to assembly and ideal for automation, op amp and other precision analog circuits.

The device works by converting digital codes into a corresponding analog voltage that is proportional to the input code. This is done by the DAC which uses a resistor array and digital-to-analog switches in order to select different resistors values. Each different digital code that is established adjusts the resistor value, creating a voltage out of it. The output of the device is buffered with a rail-to-rail output general purpose op amp, increasing the accuracy of the analog voltage.

The LTC2619CGN#TRPBF offers a wide range of applications, from automation of measurements and control to any application that requires a high level of accuracy and a fast-response time. Its current output DAC can add accuracy and convenience to system designs. In the automation environment the device can. For instance, the DAC can be used to replace the need of potentiometers and switches, whether mechanical or optoelectronic. This simplifies the overall design of the system, as well as making it more efficient and accurate, due to the devices’ digital-based output and the reliability associated with it.

The device also allows configurations in systems since it can be programmed by serial communication, which is pin-compatible with all devices from the same family. The device is pin-programmable from either a SPI, QSPI and I²C digital interface, assuring easy interface with remote systems in a very quick and efficient way and without having to spend time dealing with complex programming. Plus the device is flexible enough and compatible with multiple fault monitors, like the popular Watchdog Timers, through the external FLTR pin. This flexibility minimizes the amount of IC’s used while increasing the functionality of the end product.

The LTC2619CGN#TRPBF offers multiple advantages regarding accuracy, range, communication interface and speed. This makes it the ideal product for use in any high-precision industrial or commercial system requiring quick and accurately-controlled output. The designed and technical features of the device makes it a reliable and secure choice when compared to other similar products able to cope with the same requirements.

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