AD421BRZ

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Data Acquisition - ADCs/DACs - Special Purpose

The AD421BRZ is a 10-bit digital-to-analog converter designed to enable precision analog control from any controller, DSP, or microprocessor-based system. It is a high-resolution, low-power conversion device that offers excellent accuracy and stability over temperature. The AD421BRZ can be used to control motor speed and position, biasing of amplifiers, sound pressure level (SPL) control, valve and servo positioning, and other analog variables in single- and two-phase systems.

The AD421BRZ offers a wide range of analog performance. It utilizes a low-noise, low-power, on-board voltage reference operable from 9 to 15 volts, which is ideal for 3.3 V and 5 V microprocessor applications. It integrates external sample and hold circuitry to minimize loading on the output and provide an improved dynamic resolution when measuring rapidly changing signals. Additionally, the AD421BRZ features a low distortion and high slew rate, as well as a low jitter and fast settling times.

The AD421BRZ\'s working principle involves two key stages. First, the digital signal enters the converter and is converted to analog using a low-noise voltage reference and a 10-bit ADC. Second, the analog signal is buffered, amplified, and converted to a low impedance output. The converter supports a wide input voltage range of ±12V and accepts both 3.3V and 5V logic signals. It also features a dynamic range of 24dB and a maximum output frequency of 2MHz.

The AD421BRZ can be used in a range of applications, from automotive to industrial and consumer. Among the automotive applications are sensors, pressure transducers, powertrain control systems, and window controllers. In the industrial area, the AD421BRZ can be applied for industrial process control, motor control, strain-gauge signal conditioning, servo control, and temperature measurement. It is also suitable for consumer electronics applications such as sound pressure level (SPL) control and various signal conditioning functions.

In conclusion, the AD421BRZ is a high-performance, versatile digital-to-analog converter intended for a wide range of applications. It is capable of handling a wide range of analog signal inputs with high accuracy and stability, meaning it can be used in automotive, industrial and consumer electronics applications. The AD421BRZ utilizes a low-noise voltage reference and a 10-bit ADC to convert digital signals to their analog equivalents, and is able to generate a wide range of output voltage frequencies.

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