DAC7611PB

Series:	--
Packaging:	Tube
Part Status:	Not For New Designs
Number of Bits:	12
Number of D/A Converters:	1
Settling Time:	7µs (Typ)
Output Type:	Voltage - Buffered
Differential Output:	No
Data Interface:	SPI
Reference Type:	Internal
Voltage - Supply, Analog:	5V
Voltage - Supply, Digital:	5V
INL/DNL (LSB):	±0.25, ±0.25
Architecture:	R-2R
Operating Temperature:	-40°C ~ 85°C
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-PDIP
Base Part Number:	DAC7611

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Data Acquisition - Digital to Analog Converters (DAC)DAC7611PB can be classified as a digital to analog converter (commonly known as a DAC). A digital to analog converter, or DAC in short, is a device which converts a digital signal, typically a binary word, into a respective analog voltage which is proportional to the digital input. The DAC7611PB is a special type of DAC employing a potentiometer-based structure to achieve a low temperature coefficient and a high accuracy over temperature.The primary application field of DAC7611PB lies in instrumentation, primarily in its use in combination with a data acquisition system such as an A/D converter or a processor. DAC7611PB also has wide applications in frequency control and multiplexing signals. In addition to this, DAC7611PB finds applications in many areas such as robotics and feedback control systems, and can be used in many areas like manufacturing and automation.Since DAC7611PB is a high-performance digital to analog converter, its working principle is quite simple and straightforward. The device converts a digital code, normally a binary code in the form of a 4-bit to 12-bit digital words, into a corresponding analog voltage. This is done by using a potentiometer-based structure, which takes in the input digital word and converts it into a proportional analog voltage. The digital words are sent in binary form to the DAC, and this is then converted into a voltage value which is proportional to the input digital word. The potentiometer converts the digital input into an analog voltage in the range 0V to VREF.The output of DAC7611PB can be either current or voltage, depending on the user\'s preference. In the current output mode, the converted analog voltage is routed through an op-amp to generate a corresponding current value which is proportional to the digital input. In the voltage output mode, the voltage value is routed through a voltage buffer and the resulting voltage is then output to the user.DAC7611PB also incorporates several features intended for improving the output accuracy of the device. It utilizes an external reference voltage input to generate an accuracy specification of 0.2%. In addition, it provides users with an offset adjustment feature which allows them to smoothly compensate for small deviations in analog output. Lastly, the device also contains a DAC sync sample-and-hold feature which helps to improve digital accuracy of the converted analog voltage.In conclusion, DAC7611PB is a high-performance digital to analog converter, and its main application fields are in instrumentation and feedback control systems. Its working principle rests on a potentiometer-based structure which converts digital inputs into a proportional analog voltage. Several features like external reference voltage, offset adjustment, and DAC sync sample-and-hold are included to improve the accuracy of the device and increase the range of its applications.

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