LTC2635HMSE-HMI12#PBF

Data Acquisition - Digital to Analog Converters (DAC) are a type of technology that enables digital signals to be converted into analog signals. The LTC2635HMSE-HMI12#PBF is one such converter, and its applications and working principles are discussed in this article.

Overview

The LTC2635HMSE-HMI12#PBF is a 12-bit uni-/bi-polar digital-to-analog converter ideal for low-power applications, such as portable and battery-operated designs. It is available in a variety of packages to suit the customers needs. Its nominal, single-cycle settling time is 1µs, and the operating temperature can range from -40°C to + 125°C.

Application Field of the LTC2635HMSE-HMI12#PBF

The LTC2635HMSE-HMI12#PBF can be used in numerous applications ranging from audio amplifiers, PLCs, motor drives, medical diagnostics, instrumentation controls and embedded systems. In addition, users can benefit from the IC\'s high accuracy and low noise, as well as its wide temperature range and ±10 V supply.

The device can be used in automated test equipment and audio levels control. Other specific applications include: the automatic control of clutches, fans and pumps; the control of flow levels in heating, ventilation and air conditioning systems. It can also be used in industrial automation systems to communicate with transducers and in other types of industrial process control.

Working Principle of the LTC2635HMSE-HMI12#PBF

The LTC2635HMSE-HMI12#PBF works according to the delta-sigma conversion principle. This type of converter is able to achieve high-accuracy conversion and very low noise performance. Delta-sigma based converters are usually built using an analog integrator and comparator.

The LTC2635HMSE-HMI12#PBF requires a positive supply and an external reference voltage to operate. During the analog-to-digital conversion process, the input signals are digitized by an internal comparator. Subsequently, the output signal is modulated by a delta-sigma modulator that integrates the signal across a single cycle. It then uses the digital filter to convert the output signal into its analog equivalent.

In terms of power supply, the operating range of the LTC2635HMSE-HMI12#PBF is as follows: a minimum of +2.9V and a maximum of +5.5V. The LTC2635HMSE-HMI12#PBF functions as an S/H-DAC, meaning single-cycle settling and a maximum conversion speed of 5Msps.

Conclusion

The LTC2635HMSE-HMI12#PBF is a 12-bit digital-to-analog converter that enables digital signals to be converted into analog signals. It is suitable for applications that require high accuracy and low noise performance, such as industrial process control, and automated test equipment. Furthermore, the converter is powered by a positive supply of +2.9V and +5.5V, and its delta-sigma conversion principle allows for rapid conversion and output levels.