LTC1446IS8#TRPBF

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The LTC1446IS8#TRPBF is a quad 16-bit, voltage output Digital-to-Analog Converter (DAC) suitable for applications requiring highly accurate output, low power operation and a low profile package. It offers actuator control resolution of .076µV and is ideal for telecom, medical and instrumentation applications that require accuracy, precision and reliability.

Application Field

The LTC1446IS8#TRPBF has application in various systems such as automotive systems such as capacitive touch sensing, test and instrumentation equipment, motor control and industrial process control. Its integrated architecture and compact packaging also make it suitable for a wide range of embedded systems.

In automotive applications, the LTC1446IS8#TRPBF is suitable for multi-touch sensing, active noise cancellation and other audio quality improvements. It is also well suited for controlling engine performance, electric steering and brake systems, navigation systems and other high precision real-time control tasks.

In test and instrumentation equipment, the LTC1446IS8#TRPBF can be used to control power conversion and load regulation as well as data acquisition and precision control functions. It is also suitable for driving LED displays, alphanumeric displays, and other applications requiring precise voltage control.

In motor control and industrial process control applications, the LTC1446IS8#TRPBF can be used for precise control of motor speed and acceleration as well as for controlling and regulating production processes. It is also used for precise analog measurements and precise digital-to-analog conversions.

Working Principle

The LTC1446IS8#TRPBF operates on the principle of current source output. It receives digital input signals and uses them to control the current flowing through a resistor network. It has eight feedback resistors, four representing the positive voltage range and four representing the negative voltage range. The input data code is shifted in the 16-bit binary code and applied to the corresponding feedback resistor. The resistor network divides the current in proportion to the code and results in a precise voltage output.

The input code is shifted within the range of 0-4096 according to the user requirement and the corresponding voltage is output at the output pin of the DAC. The current source output of the LTC1446IS8#TRPBF helps to provide low power operation, which is very important for applications requiring extended battery life.

The LTC1446IS8#TRPBF is designed to operate with a single supply voltage between +2.7V to +5.5V. It has an on-chip LDO that provides the operating voltage to the DAC and its output buffer. It is also equipped with an on-chip temperature sensor, which helps to maintain the accuracy of the DAC over temperature.

Apart from these features, the LTC1446IS8#TRPBF also has a power down feature, which can be used to reduce power consumption. This feature can be used to turn off selected parts of the circuit, thereby reducing power consumption.

The LTC1446IS8#TRPBF provides precision, accuracy and low power operation for applications requiring precise analog voltages. It operates on the current source output principle and is suitable for use in automotive, industrial process and motor control applications. Its on-chip temperature sensor maintains accuracy over temperature and its power down feature reduces power consumption.

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