MAX5480BCEE+T

Reference Type:	External
Base Part Number:	MAX5480
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C
Architecture:	R-2R
INL/DNL (LSB):	±0.5 (Max), ±1 (Max)
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Series:	--
Data Interface:	Parallel
Differential Output:	Yes
Output Type:	Voltage or Current - Unbuffered
Settling Time:	250ns
Number of D/A Converters:	1
Number of Bits:	8
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Data Acquisition - Digital to Analog Converters (DAC) is a key tool for device control, scientific instrumentation, analog control, and audio engineering. The MAX5480BCEE+T is a 40- to 54-V, 16-bit, sample-and-hold DAC with an integrated output buffer and precision quadrature waveform generator. This device enables the conversion of digital signals into analog outputs with a high linearity and a wide operating range. In addition, the built-in output buffer provides a low output impedance for the generated signals, thus ensuring a low noise floor.The DAC has a wide range of features that allow it to be used in a variety of applications. It is available in a 3 mm x 3 mm package and can operate from a single +5V power supply. Furthermore, this DAC also features a voltage output mode with a selectable gain, a built-in temperature sensor for self-calibration, a two-layer PCB power supply for improved power integrity, and a programmable Non-volatile Memory (NVM) for storing customer settings.

Application Fields

The MAX5480BCEE+T is a highly versatile DAC, and can be used in a variety of applications fields, such as power communication, automotive, medical, industrial, and consumer electronics. In power communication applications, the DAC can be used to convert digital signals from a controller into analog signals for controlling components such as engines, motors, and transformers. The wide operating range and low output impedance of the output buffer enable precise control. In automotive applications, the high linearity and wide operating range of the DAC can be used for precise control of navigation systems and engine management systems. Additionally, the integrated temperature sensor can be used to eliminate drift caused by temperature variations.In medical applications, the DAC is well-suited for applications requiring precise control. This includes controlling prosthetic limbs, medical implants, pacemakers, and medical imaging equipment. The DAC can also provide the precise voltage levels necessary for controlling medical diagnostic tools. In industrial applications, the device can be used to control valves, pumps, and other types of actuators. Additionally, its wide operating range allows it to control multiple output devices with varying voltage requirements. Lastly, the DAC can be used in consumer electronics for audio engineering applications. Its low noise floor and precision quadrature waveform generator make it well-suited for synthesizers and audio mixers.

Working Principle

The MAX5480BCEE+T contains a DAC core that uses an internal two’s complement DAC architecture. The DAC core is controlled by an oscillator, which generates the digital code that is used to convert the digital signal into an analog signal. The digital code is generated by internally dividing down a reference voltage according to the input codes, thereby setting the output voltage level. The output buffer amplifier is connected between the DAC core and the output pins. It is used to reduce the output impedance of the DAC, as well as improve the settling time of the analog output. The output buffer is driven by a high voltage current source, which ensures a maximum output voltage of 54V.The NVM is used to store customer settings, such as the max output voltage and the temperature calibration information, so that they are not lost when the power is turned off. The temperature sensor can be used to self-calibrate the DAC by automatically adjusting the output voltage according to the ambient temperature. The device also features overvoltage and undervoltage protection, eliminating the risk of damaging the DAC due to incorrect voltage levels. Finally, the DAC is designed for high reliability, making it suitable for rugged and long-term applications.

Conclusion

The MAX5480BCEE+T is a high-performance 16-bit, sample-and-hold Digital to Analog converter. Its versatility, wide operating range, integrated output buffer, and precision quadrature waveform generator make it an ideal choice for a variety of applications, including power communications, automotive, medical, industrial, and consumer electronics. Furthermore, its built-in temperature sensor and NVM provide superior performance and long-term reliability, making it well-suited for long-term applications.

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