LTC2634IUD-LMI10#PBF

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The LTC2634IUD-LMI10#PBF is one of the most advanced Digital to AnalogConverters (DAC) available today. Based on Linear Technology’s patented Digital to Analog Architecture, the device offers exceptional performance over a wide dynamic range. The LTC2634IUD-LMI10#PBF can be used in a variety of applications ranging from audio, video, and instrumentation to high-speed communications.

Application Field

The LTC2634IUD-LMI10#PBF is ideal for audio, video, and instrumentation applications that require accurate, reproducible digital-to-analog processing at a minimum of power. It’s low power consumption makes it ideal for battery operated audio systems, portable instrumentation applications, and other space constrained designs.

In the industrial and instrumentation field, it is suitable for applications such as sensor signal conditioning, filter frequency tuning, and wide-area network synchronization. Its wide range of supply voltages and high accuracy also make it appropriate for automotive and medical/dental applications, such as vision systems, memory systems and stereo imaging.

Working Principle

The LTC2634IUD-LMI10#PBF uses a patented architecture to convert a digital input code into a precise analog voltage output. It uses a resistive-capacitive (RC) ladder network and an amplifier to provide the necessary signal conditioning. The amplifier’s closed-loop gain eliminates the need for a trim potentiometer. The digital input code is presented on four digital lines which convert to the analog voltage output. The four digital lines can also be used to select different output ranges.

The amplifier’s gain is adjusted by an external resistor. This can set the output offset voltage and full-scale output voltage. The output voltage is a function of the amplifier’s gain, which is programmed by the user. The specifications allow programming the gain of the amplifier with a resolution of 1mV in its full-scale output voltage. The reference voltage is also adjustable with an internal register.

The LTC2634IUD-LMI10#PBF has a maximum output current of 1mA. This output can be used to drive a low-impedance load, such as a MOSFET-based power supply. It also supports other features such as dynamic gain selection, short-circuit protection, thermal protection, and Power-On-Reset.

Conclusion

The LTC2634IUD-LMI10#PBF is a low power, high performance Digital to Analog Converter (DAC) that is suited for a variety of applications. From audio and video to industrial instrumentation, the device offers superior accuracy and low power consumption over a wide dynamic range. Its patented digital-to-analog architecture, adjustable amplifier gain, and adjustable reference voltage make it an ideal choice for many applications.

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