LTC2640CTS8-LZ10#TRMPBF

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Data Acquisition - Digital to Analog Converters (DAC) are one of the most widely used electronics components in many applications. The LTC2640CTS8-LZ10#TRMPBF is a precision, low power digital-to-analog (DAC) converter with 8-bit resolution. It also provides several user programmable features, making it suitable for many industrial, medical and consumer applications. This article discusses the application field and working principle of the LTC2640CTS8-LZ10#TRMPBF.

Applications

The LTC2640CTS8-LZ10#TRMPBF is designed for applications that require an accurate, low power, flexible and low cost DAC. It is used in various applications such as motor control, sound systems, lighting control, automotive control, power management, and process control applications. In addition, it is ideal for applications that require fast settling time, high resolution and low power consumption. It can also be used for high density systems as it features a small package size and I2C compatibility.

Working Principles

The LTC2640CTS8-LZ10#TRMPBF is an 8-bit DAC that provides high accuracy, low power consumption, fast settling time and low cost. The device has an analog output range of 0V – 5V and an output voltage resolution of 1.22mV. The device is available in 3 power supply versions: 2.7V to 5.5V, 5V and 15V. The device has a user selectable output swing of 0V to VCC (power supply voltage) or 0V to 2.5V. The internal reference voltage is also user selectable, with options of either a 2.048V or 4.096V.

The device utilizes a proprietary reference buffer design to achieve a high accuracy of ±0.3% over the full temperature range of –40°C to +85°C. It also features a high accuracy current-mode output, allowing user to achieve fast settling time of 0.5μs to 0.7V of the full-scale output voltage. The device can operate from a system clock of 200KHz to 400KHz, making it ideal for high density systems.

The device has an internally stored 24-bit command word with user programmable address and data fields. The device supports the I2C™ communication protocol. This allows users to access the 24-bit command word to control its operation. The internal register of the device can be accessed and programmed via the I2C bus. The device can also be configured as a 2-wire or 3-wire device.

The LTC2640CTS8-LZ10#TRMPBF is a low power digital to analog converter suitable for many industrial, medical, and consumer applications. It provides a high accuracy of ±0.3% over the full temperature range, fast settling time, user programmable features and I2C compatibility. All these features makes it the ideal solution for many data acquisition applications.

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