5962-8780101XA

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Introduction to 5962-8780101XA:

5962-8780101XA is a pseudo-differential Digital-to-Analog Converter (DAC) from Analog Devices. It is an 8 bit, single voltage, monolithic converter capable of driving 33mA full scale current, and offers a wide range of features for applications in the high bandwidth data acquisition and digital signal conditioning markets.

Application Field:

The 5962-8780101XA features improved differential linearity and slew rate compared to single-ended devices, making it suitable for high-gain, low-noise and high-resolution applications such as industrial control, instrumentation and portable navigation systems. The device offers speeds of up to 1Msps, enabling it to handle any data acquisition rate required by test and measurements applications. In high-end communication systems, the device is designed to process multiple channels of data, allowing for transmission of signals over greater distances without error.

Also, the device has the potential for vibration and acoustic sensing, thanks to its wide differential linearity and high speed. It can be used in automotive applications such as electric steering, suspension and braking systems, as it is capable of quick and accurate update rates. Additionally, its low power consumption and small package are suitable for battery-powered consumer applications, such as mobile phones, digital cameras and digital audio players.

Working Principle:

The 5962-8780101XA is a pseudo-differential, 2-channel, 8-bit DAC designed to convert digital input signals to analog waveforms. The DAC has a voltage reference, which generates a reference voltage between pins 4 and 7. This reference voltage is compared to the logic level of the incoming 8-bit digital word to determine the amplified analog voltage output. The differential input of the DAC is connected to the logic level of the 8-bit word and the reference voltage is applied to the non-inverting input.

The output voltage of the DAC is determined by the two inputs, referenced to a logic 1 or logic 0. The logic zero is the voltage at pin 7, while the logic one is the voltage at pin 4. Between these two voltage references, the output voltage is determined by the 8-bit digital word. The output of the DAC ranges from 0V to Vref. The voltage is amplified by a current source connected between pins 4 and 7, and provides a maximum output current of 33mA.

The DAC also features an internal oscillator which allows the device to update its output voltage at a fast rate, enabling it to handle high data acquisition rates. The oscillator can be set to frequencies between 4MHz and 32MHz, allowing graceful frequency scaling and operation at multiple data rates.

Conclusion:

The 5962-8780101XA is a fast and accurate 8-bit DAC with a wide range of application areas, from industrial control and instrumentation to high-end communications systems. It features improved differential linearity for high-gain, low-noise and high resolution applications, and is suitable for automotive applications due to its quick and accurate update rates. The device also features an internal oscillator for frequency scaling and operation at multiple data rates.

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