TLC5615IP

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Data Acquisition—Digital to Analog Converters (DAC) are used for converting digital signals into analog signals. The TLC5615IP is a 16-bit digital-to-analog converter (DAC) that offers enhanced dynamic performance and low power consumption. This article will discuss the application field and working principle of the TLC5615IP.

Application Field of TLC5615IP

The TLC5615IP is suited for applications such as audio systems, low-power control systems, and low-end instrumentation. It can be used as a low-power DAC to drive high-quality audio output stages. This converter is also used in analog-interface applications such as high-precision temperature control, high-resolution data acquisition, and closed-loop position control.

The TLC5615IP has a wide operating range and can be used in systems operating at a supply voltage of 1.8 V to 5.5 V. It has a wide input voltage range that allows it to operate in a variety of environments. It also features a low quiescent current of just 9.2 mW at 3.3 V supply voltage. The TLC5615IP is available in 8-pin package options making it suitable for space-critical applications.

Working Principle of TLC5615IP

The TLC5615IP functions as a two-quadrant multiplying DAC. It operates as an Ohm’s law circuit that multiplies an input voltage, VIN, by a reference voltage, V REF, to produce an output voltage. The value of V REF is determined by a pair of resistors connected in a voltage divider configuration. The circuit sends the voltage across the resistor divider to the reference terminal of the DAC.

The TLC5615IP features a versatile control logic that enables control of the power-down mode, current mode, and half-pop/pop features and allows logic command of each mode. The logic control provides functions such as a power-down mode, in which the power-down pin is enabled and all internal circuits are kept off to maximize power savings. The power-down pin can also be used to reset the DAC output to zero-scale.

The TLC5615IP has a five-bit control-word input that enables control of the output range, polarity, full-scale range, and negative full-scale range. The control-word register allows the selection of different configurations to optimize the performance of the DAC in various applications. These features make the TLC5615IP an ideal choice for precision data acquisition and process control applications.

Conclusion

The TLC5615IP is a low-power 16-bit digital-to-analog converter that offers enhanced dynamic performance and low power consumption. It is well suited for a variety of applications such as audio systems, low-power control systems, and low-end instrumentation. The five-bit control-word input enables control of the output range, polarity, full-scale range, and negative full-scale range. With its wide operating range and low quiescent current, the TLC5615IP is a great choice for precision data acquisition and process control applications.

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