Analog Devices Inc.
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AD7998BRU-0
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AD7998BRU-0

Product Overview

Category

The AD7998BRU-0 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital data, making it suitable for a wide range of applications that require precise and accurate measurements.

Characteristics

  • High resolution: The AD7998BRU-0 offers a resolution of up to 16 bits, ensuring accurate conversion of analog signals.
  • Low power consumption: It operates at low power levels, making it energy-efficient and suitable for battery-powered devices.
  • Multiple input channels: This ADC features eight input channels, allowing for simultaneous conversion of multiple analog signals.
  • I2C interface: The AD7998BRU-0 utilizes the I2C communication protocol, enabling easy integration with microcontrollers and other digital systems.

Package

The AD7998BRU-0 comes in a small outline integrated circuit (SOIC) package, which provides a compact and space-saving solution for electronic designs.

Essence

The essence of the AD7998BRU-0 lies in its ability to accurately convert analog signals into digital data, facilitating precise measurements and control in various applications.

Packaging/Quantity

This product is typically available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Resolution: 16 bits
  • Input Channels: 8
  • Supply Voltage: 2.7V to 5.5V
  • Conversion Time: 3.5 µs per channel
  • Operating Temperature Range: -40°C to +85°C
  • Interface: I2C

Detailed Pin Configuration

  1. VDD: Power supply voltage
  2. GND: Ground reference
  3. SDA: Serial data input/output pin for I2C communication
  4. SCL: Serial clock input pin for I2C communication
  5. ADDR: Address selection pin for I2C communication
  6. ALERT: Interrupt output pin
  7. AIN0: Analog input channel 0
  8. AIN1: Analog input channel 1
  9. AIN2: Analog input channel 2
  10. AIN3: Analog input channel 3
  11. AIN4: Analog input channel 4
  12. AIN5: Analog input channel 5
  13. AIN6: Analog input channel 6
  14. AIN7: Analog input channel 7

Functional Features

  • Simultaneous Sampling: The AD7998BRU-0 can sample multiple analog channels simultaneously, allowing for efficient data acquisition.
  • Programmable Gain Amplifier: It includes a programmable gain amplifier that enables amplification of weak analog signals, enhancing the overall sensitivity and accuracy of measurements.
  • Alert Function: The ADC features an alert pin that can be configured to generate an interrupt when a specific threshold is exceeded, providing real-time monitoring capabilities.

Advantages and Disadvantages

Advantages

  • High resolution ensures accurate conversion of analog signals.
  • Low power consumption makes it suitable for battery-powered devices.
  • Multiple input channels allow for simultaneous conversion of multiple analog signals.
  • I2C interface enables easy integration with digital systems.

Disadvantages

  • Limited to 8 input channels, which may not be sufficient for applications requiring a higher number of inputs.
  • Conversion time of 3.5 µs per channel may not be suitable for applications requiring rapid data acquisition.

Working Principles

The AD7998BRU-0 operates by sampling the analog input voltage and converting it into a digital representation using its internal ADC circuitry. The converted digital data is then made available through the I2C interface for further processing or analysis.

Detailed Application Field Plans

The AD7998BRU-0 finds applications in various fields, including but not limited to: 1. Industrial automation: It can be used for monitoring and controlling analog sensors in industrial processes. 2. Medical devices: The ADC enables accurate measurement of vital signs and other physiological parameters. 3. Test and measurement equipment: It facilitates precise data acquisition in laboratory instruments and testing devices. 4. Energy management systems: The ADC aids in monitoring and optimizing energy consumption in smart grid applications. 5. Automotive electronics: It can be utilized for sensor data acquisition in automotive systems, such as engine control units and climate control systems.

Detailed and Complete Alternative Models

  1. AD7997: Similar to the AD7998BRU-0, but with 12-bit resolution and 4 input channels.
  2. ADS1115: A 16-bit ADC with a higher number of input channels (up to 4) and programmable gain amplification.
  3. MCP3424: A 16-bit ADC with I2C interface and up to 4 differential input channels.
  4. LTC2400: A high-resolution

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AD7998BRU-0 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AD7998BRU-0:

  1. Q: What is the AD7998BRU-0? A: The AD7998BRU-0 is a 12-bit, 8-channel analog-to-digital converter (ADC) with an I2C interface.

  2. Q: What is the operating voltage range of the AD7998BRU-0? A: The AD7998BRU-0 operates from a single power supply of 2.7V to 5.5V.

  3. Q: How many analog input channels does the AD7998BRU-0 have? A: The AD7998BRU-0 has 8 analog input channels.

  4. Q: What is the resolution of the AD7998BRU-0? A: The AD7998BRU-0 has a resolution of 12 bits, which means it can represent analog inputs with 4096 different values.

  5. Q: What is the maximum sampling rate of the AD7998BRU-0? A: The AD7998BRU-0 supports a maximum sampling rate of 100 kilosamples per second (ksps).

  6. Q: Can the AD7998BRU-0 be used in both single-ended and differential mode? A: Yes, the AD7998BRU-0 can be configured to operate in either single-ended or differential mode for each channel.

  7. Q: Does the AD7998BRU-0 have built-in reference voltage? A: No, the AD7998BRU-0 requires an external reference voltage for accurate conversions.

  8. Q: What is the I2C address of the AD7998BRU-0? A: The AD7998BRU-0 has a selectable I2C address, which can be set using the address pins.

  9. Q: Can the AD7998BRU-0 operate in a low-power mode? A: Yes, the AD7998BRU-0 supports a low-power mode where it consumes less current during idle periods.

  10. Q: What are some typical applications of the AD7998BRU-0? A: The AD7998BRU-0 is commonly used in industrial automation, data acquisition systems, medical devices, and other applications that require analog-to-digital conversion.

Please note that these answers are general and may vary depending on the specific requirements and use cases.