MAX501BEWG

Reference Type:	External
Base Part Number:	MAX501
Supplier Device Package:	24-SOIC
Package / Case:	24-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:	--
Voltage - Supply, Analog:	±11.4 V ~ 15.75 V
Series:	--
Data Interface:	Parallel
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	5µs
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Part Status:	Obsolete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, or DACs, are devices that convert a digital signal into an analog one. The MAX501BEWG is a high accuracy and low power 8-pin DAC which is especially useful for applications such as precision analog signal generation and low power control applications. It is a single supply, low voltage DAC that can be used with both +3.3V and +5V supplies.The MAX501BEWG can convert 8 to 16 bit binary digital word signals into a corresponding analog voltage with great linearity and low noise. It is also temperature stable with temperatureCoefficientof gain, offset voltage and full scale span all specified at 0.3uV/C maximum. The MAX501BEWG DACs can directly drive op amps, even with high precision requirements, and also interface easily with standard logic families. Destined for applications in industrial instruments and automation, the MAX501BEWG is designed to meet high standards of performance and provide an excellent solution that is both reliable and cost effective.Some specific applications of the DAC include:1. Motor control and drives 2. Process Control 3. Temperature measurements 4. Actuators 5. Industrial RoboticsThe working principle of the MAX501BEWG DAC is relatively easy to understand. The incoming digital word is applied to the data inputs of the DAC and the word is then converted to an analog voltage as set by the input data word. In this case, the incoming word is a binary word from an 8, 10 or 12 bit data word. The analog voltage is then produced in the form of current, using an internal current source. The current source works by changing the output voltage, in a consistent and linear manner, as the digital word value is changed. This means the output of the DAC can be treated as a linear function of the input word value. The current source used includes a resistor in order to limit current and form a voltage divider from the output node of the DAC. This provides some level of isolation between the DAC and the external load.In summary, the MAX501BEWG is a single-supply, low-pressure DAC designed for applications requiring accurate and low-noise analog signal generation, with a high specs and low power control. It converts a binary digital word into a corresponding analog voltage with linearity and low noise. With its wide current range, temperature stability and simple interfacing, the device is well-suited for applications such as motor control, process control, temperature measurements, and industrial robotics.

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