MCP47FEB21A1-E/ST

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The versatility and adaptability of digital to analog converters, or DACs, makes them valuable components in data acquisition and other applications. The MCP47FEB21A1-E/ST is a high-precision and low-power DAC that stands out in its field due to its features and input range. This device is ideal for audio, industrial, automotive, and medical applications.

The MCP47FEB21A1-E/ST is an advanced, 8-bit successive approximation register (SAR) DAC. It has an excellent glitch-free performance, with fast settling and conversion times, even in difficult applications, and provides a fast 1080 µs Settling Time to 0.1%. Furthermore, this device offers a temperature coefficient of 0.6 ppm/°C between 0 and 85 °C, excellent rejection of noise and Internal Reference with up to 0.1% accuracy. Additionally, it efficiently handles faster sample rates and is available in a 4 mm x 3 mm, QFN16 package.

Input Range

The MCP47FEB21A1-E/ST has a wide input range, dependent on the input voltage and output voltage settings. It supports inputs of ±2.36 V at VDD = 3.3 V and an output voltage range of 0.8 V to 2.5 V. It is a low-power device, with a supply current of just 6 µA, making it ideal for battery-powered or portable applications.

Output Range

The output range of the MCP47FEB21A1-E/ST depends on the selected VDD and VOUT voltages, but is typically between 0.8 V to 2.5 V. This allows for an excellent linearity performance and an improved conversion resolution, creating a smooth and accurate output waveform. This device also offers an adjustable VOUT that can be configured for different applications.

Features

The MCP47FEB21A1-E/ST has many features that make it an ideal choice for high-precision applications. It includes an internal band-gap reference, gain selection, and programmable power-down modes. It also features a 2-wire serial interface compatible with standard serial communication protocols, such as I²C, SMBus, and SPI.

In addition, the MCP47FEB21A1-E/ST provides integrated power-on reset circuitry, low glitch settings and features an 8-bit resolution with binary and offset binary coding, providing an adequate linearity performance over a wide-range of output conditions. Furthermore, the device’s resistance- and load-compensation circuits contribute to achieving a low total harmonic distortion (THD) at all output settings and over the entire supply-voltage range.

Applications

The MCP47FEB21A1-E/ST was designed for a range of audio and industrial applications such as data acquisition systems, medical instrumentation, industrial motor control, DAC signal generators, and audio recording systems. The device’s versatile features and low power consumption make it suitable for a wide range of applications.

Working Principle

The MCP47FEB21A1-E/ST uses an 8-bit successive approximation register (SAR) architecture. This architecture is a type of analog-to-digital converter (ADC) where the sample holding time of an analog signal is increased with each conversion cycle. The device compares the input sample voltage to an internal reference voltage in order to produce an analog output whose resolution is 8 bits. The output is generated by a stream of binary bits, each representing a different amplitude value. When all of the bits are present, the full range of analog output is reached.

The device’s fast settling and conversion times give it the ability to process audio rapidly, making it suitable for audio recording applications. The device’s low power consumption and wide input range make it suitable for portable and battery-powered applications, while its integrated power-on reset circuitry and low glitch settings make it suitable for a wide range of high-precision applications.

In summary, the MCP47FEB21A1-E/ST is a high-precision, low-power DAC that is ideal for audio, industrial, automotive, and medical applications. Its wide input range, adjustable VOUT, 8-bit resolution, and fast settling and conversion times make it an excellent choice for a variety of applications. Its integrated power-on reset circuitry, low glitch settings and resistance- and load-compensation circuits contribute to its superior performance and accuracy. Additionally, its low power consumption makes it ideal for portable and battery-powered applications. Therefore, the MCP47FEB21A1-E/ST is an excellent choice for any application requiring a high degree of precision and accuracy.

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