MAX547ACMH+D

Reference Type:	External
Base Part Number:	MAX547
Supplier Device Package:	44-MQFP (10x10)
Package / Case:	44-QFP
Operating Temperature:	0°C ~ 70°C
Architecture:	R-2R
INL/DNL (LSB):	±0.5, ±1 (Max)
Voltage - Supply, Digital:	--
Voltage - Supply, Analog:	±5V
Series:	--
Data Interface:	Parallel
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	5µs (Typ)
Number of D/A Converters:	8
Number of Bits:	13
Part Status:	Active
Packaging:	Tray

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1. IntroductionDigital to Analog Converters (DACs) are devices that convert digital input signals into analog output signals. This is closely related to the operation of analog-to-digital converters (ADCs). In comparison to ADCs, DACs are far simpler and generate their output signals from the analog reference voltage of their connected amplifier. The MAX547ACMH+D is one such device, and it has applications in many fields. This article will discuss the application field and working principle of the MAX547ACMH+D.2. Application FieldThe MAX547ACMH+D is primarily used to generate static voltage outputs in many different types of applications. It can be used to generate the control signals for different types of radio receiver or transmitter circuits, or the control signals for voltage-controlled oscillators (VCOs). It can also be used in closed-loop control systems, to produce analog output signals that can be used as a reference for feedback control circuits.The MAX547ACMH+D also finds use as a variable voltage source in military and civil defense applications, as well as for power-supply regulation and output regulation purposes. It can also be used in test and measurement applications for scaling input signals, and in medical imaging systems for generating the control signals for display devices.3. Working PrincipleThe MAX547ACMH+D operates on the differential output principle, which means that the output voltage is generated by comparing the input voltage to the internal voltage reference. The input voltage is converted to an appropriate current level and then applied to the input terminals. The current is then used to readjust the differential output voltage so that it is the same as the input voltage.The MAX547ACMH+D is capable of providing high accuracy by using the differential output principle. The accuracy of the output voltage is heavily dependent on the initial setting of the internal voltage reference, which is typically around 4.096V.To ensure that the output voltage is always accurate, the MAX547ACMH+D is equipped with an on-board trimming circuit. This allows for an adjustment of the internal voltage reference and for the setting of the output voltage via an external resistor.4. ConclusionThe MAX547ACMH+D is a digital-to-analog converter that can provide accurate static voltage output in a wide range of applications. It is particularly useful for providing the control signals for radio receiver and transmitter circuits, closed-loop control systems, voltage-controlled oscillators, and power-supply regulation. It operates on a differential output principle, which compares the input voltage to the internal voltage reference and adjusts the output voltage accordingly. Additionally, it is also equipped with an on-board trimming circuit which allows for fine tuning of the output voltage.

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