Analog Devices Inc. AD7928BRUZ-REEL7

Analog Devices Inc. Part Number AD7928BRUZ-REEL7（Data Acquisition - Analog to Digital Converters (ADC)）, developed and manufactured by Analog Devices Inc., distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.

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Introducing the Analog Devices Inc. AD7928BRUZ-REEL7, a high-performance, 12-bit analog-to-digital converter (ADC) designed to meet the demanding requirements of industrial and instrumentation applications. With its exceptional accuracy and versatility, this ADC is the perfect solution for a wide range of applications. The AD7928BRUZ-REEL7 features a fast conversion rate of up to 1 MSPS (mega samples per second), ensuring real-time data acquisition. Its 12-bit resolution provides precise and reliable measurements, making it ideal for applications that require high accuracy, such as industrial process control, medical instrumentation, and scientific research. This ADC also offers a wide input voltage range of 0 to VREF, allowing for the measurement of both small and large signals. Its low power consumption and low noise performance ensure optimal signal integrity and minimize power consumption, making it suitable for battery-powered applications. The AD7928BRUZ-REEL7 is equipped with a flexible serial interface, enabling easy integration into existing systems. It supports both SPI and I2C communication protocols, providing compatibility with a wide range of microcontrollers and digital signal processors. With its exceptional performance and versatile features, the Analog Devices Inc. AD7928BRUZ-REEL7 is the perfect choice for a variety of applications, including industrial automation, medical equipment, data acquisition systems, and scientific instruments. Experience the precision and reliability of the AD7928BRUZ-REEL7 and take your applications to the next level.

Analog to digital Converters (ADCs) are electronic devices used to convert continuously varying Analog signals into discrete Digital signals. This process usually includes three steps: sampling, quantization and coding. Sampling means capturing the instantaneous value of an analog signal at a fixed frequency; Quantization approximates these transient values to the nearest discrete level; Finally, the encoding converts the quantized value into binary numeric form.

ADCs（Analog-to-digital Converters） is widely used in a variety of scenarios, such as audio and video recording, measuring instruments, wireless communications, medical devices, and automotive electronics. For example, in audio devices, the ADC is responsible for converting the sound signal captured by the microphone into a digital format for easy storage and transmission.

• 1. How many types of ADC are there?

  The types of ADC (Analog-to-Digital Converter) mainly include:
  1. Integral ADC: Its working principle is to convert the input voltage into time (pulse width signal) or frequency (pulse frequency), and then obtain the digital value by the timer/counter. The advantage of the integral ADC is that it can obtain high resolution with a simple circuit and has strong anti-interference ability, but the disadvantage is that the conversion rate is extremely low because the conversion accuracy depends on the integration time.
  2. Successive approximation type (SAR ADC): The successive approximation ADC is one of the most common architectures. Its basic principle is to convert by gradually approximating the value of the analog input signal. The advantages of the successive approximation ADC are high speed and low power consumption. It is cheap at low resolution, but expensive at high precision.
  3. Parallel comparison type/serial-parallel comparison type ADC: The parallel comparison type AD uses m

• 2. How to convert analog to digital without ADC?

  Analog to digital conversion without ADC can be achieved through PWM circuit. This method is suitable for those main control chips without built-in ADC, which needs to be solved by two GPIOs and an operational amplifier. The basic principle is to use an integral circuit to convert the PWM wave into a smooth DC voltage, and then continuously adjust the PWM duty cycle by comparing it with the voltage to be measured until the output of the comparator changes from 0 to 1, and record the current PWM duty cycle, thereby realizing the measurement of the analog voltage.

• 3. When is ADC used?

  ADC (Analog-to-Digital Converter) is widely used in a variety of scenarios, including but not limited to:
  Sensor interface: For example, temperature sensors, pressure sensors, and light sensors, ADC converts analog voltages into digital signals for the use of digital thermometers, temperature control systems, barometers, air pressure sensing systems, light intensity detection and control systems.
  Audio signal processing: In microphones, ADC converts analog audio signals into digital signals for digital audio processing, recording, and playback.
  Medical equipment: Such as electrocardiograms (ECGs) and oximeters, ADC converts analog signals of ECG signals and blood oxygen saturation into digital signals for heart health monitoring and diagnosis and blood oxygen level monitoring.
  Data acquisition system: In various applications that need to collect data from analog signals, ADC is used to convert analog signals into digital signals for storage, processing, and analysis.