DAC7545KU

Reference Type:	External
Base Part Number:	DAC7545
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C
Architecture:	R-2R
INL/DNL (LSB):	±1 (Max), ±1 (Max)
Voltage - Supply, Digital:	5 V ~ 15 V
Voltage - Supply, Analog:	5 V ~ 15 V
Series:	--
Data Interface:	Parallel
Differential Output:	No
Output Type:	Current - Unbuffered
Settling Time:	2µs
Number of D/A Converters:	1
Number of Bits:	12
Part Status:	Obsolete
Packaging:	Tube

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Data Acquisition - Digital to Analog Converters (DAC)

Digital to analog converters, also known as DACs, are a type of electronic device that converts digital values into equivalent analog signals. DACs are primarily used by engineers to measure and control analog devices like electric motors, sensors, and other real-world applications. Generally speaking, DACs are an important part of any modern data acquisition system.The DAC7545KU is a high precision, single-chip digital-to-analog converter from Texas Instruments. It is capable of providing up to 16-bit resolution of data acquisition, representing up to 65,536 steps or values per full-scale, for excellent linearity and precision. The DAC7545KUs are typically used in applications such as data acquisition systems, audio processing, and scientific measurements.The most basic and straightforward way to use a DAC is to simply connect it to the data acquisition acquisition and read it directly; this is called a “direct mode”. Other methods of using the DAC include connecting it to a source of digital signals, such as a microcontroller or a sequencer (a programmable digital signal processor) and then outputting these signals as analog voltage levels. The DAC can also be connected to an analog multiplexer, allowing multiple analog outputs to be controlled through a single line of digital inputs.DACs operate by converting digital input values into an equivalent analog output. Generally speaking, there are two main conversion techniques used in DACs: voltage output and current output. In voltage output DACs, the digital inputs are converted directly into a voltage level, whereas in current output DACs, the digital inputs are converted into equivalent currents.In both types of DACs, the analog output is created according to the following equation:Vout = K × Vin + OffsetWhere Vout is the analog output voltage, K is the gain of the DAC, Vin is the digital input, and Offset is the offset voltage. The gain and offset can be selected by the user in order to achieve different accuracy levels.The DAC7545KU has a 16-bit resolution, which allows it to provide up to 65,536 steps or values of data acquisition. Its accuracy is ±0.5LSB/code max, with excellent linearity and typical total error of ±0. 05%. It also has 1µs settling time which makes it suitable for fast measurement applications. Additionally, the DAC7545KU has power dissipation of 6.5mW, which makes it very energy efficient.DACs are an invaluable tool for engineers in the field of data acquisition. The DAC7545KU is a powerful and energy-efficient solution for applications such as data acquisition systems, audio processing, and scientific measurements. With its wide range of features and high accuracy, it provides engineers with a reliable and effective means of measurement and control.

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