QD Devices Inc.
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AD7948BRSZ-REEL
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AD7948BRSZ-REEL

Product Overview

Category

AD7948BRSZ-REEL 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 in various industries.

Characteristics

  • High-resolution: AD7948BRSZ-REEL offers a resolution of 16 bits, ensuring accurate conversion of analog signals.
  • Fast conversion rate: With a maximum sampling rate of 1 MSPS (Mega Samples Per Second), this ADC can handle high-speed signal processing.
  • Low power consumption: AD7948BRSZ-REEL is designed to operate with low power consumption, making it energy-efficient.
  • Wide input voltage range: It can accept analog input voltages ranging from 0V to VREF, providing flexibility in signal acquisition.

Package

AD7948BRSZ-REEL comes in a small-sized package, known as SSOP (Shrink Small Outline Package). This package ensures easy integration into various electronic systems.

Essence

The essence of AD7948BRSZ-REEL lies in its ability to accurately convert analog signals into digital data, enabling further processing and analysis.

Packaging/Quantity

This product is typically packaged in reels, containing a specific quantity of units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Resolution: 16 bits
  • Sampling Rate: Up to 1 MSPS
  • Input Voltage Range: 0V to VREF
  • Power Supply: 2.7V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

AD7948BRSZ-REEL has a total of 20 pins. The pin configuration is as follows:

  1. VREF: Reference voltage input
  2. AGND: Analog ground
  3. REFOUT: Reference output
  4. DVDD: Digital power supply
  5. DGND: Digital ground
  6. SCLK: Serial clock input
  7. SDI: Serial data input
  8. SDO: Serial data output
  9. CS: Chip select input
  10. SHDN: Shutdown control input
  11. D0-D15: Digital output pins

Functional Features

  • High-resolution conversion: AD7948BRSZ-REEL provides accurate conversion of analog signals with its 16-bit resolution.
  • Fast data acquisition: With a maximum sampling rate of 1 MSPS, this ADC can quickly capture and convert analog signals.
  • Low power consumption: AD7948BRSZ-REEL is designed to operate with low power consumption, making it suitable for battery-powered applications.
  • Flexible interface: It utilizes the Serial Peripheral Interface (SPI) for easy integration with microcontrollers and other digital systems.

Advantages and Disadvantages

Advantages

  • High-resolution conversion ensures precise measurement and analysis of analog signals.
  • Fast sampling rate allows for real-time data acquisition in high-speed applications.
  • Low power consumption makes it suitable for portable and low-power devices.
  • Wide input voltage range provides flexibility in signal acquisition.

Disadvantages

  • Limited to 16-bit resolution, which may not be sufficient for certain high-precision applications.
  • Requires an external reference voltage source for accurate conversions.

Working Principles

AD7948BRSZ-REEL operates based on the successive approximation method. It samples the analog input voltage and compares it to a reference voltage. By iteratively adjusting the digital code, it converges towards the closest digital representation of the analog input.

Detailed Application Field Plans

AD7948BRSZ-REEL finds applications in various fields, including but not limited to: 1. Industrial automation: Used for monitoring and control systems in manufacturing processes. 2. Medical devices: Enables precise measurement of vital signs and other medical parameters. 3. Test and measurement equipment: Provides accurate data acquisition for scientific and engineering purposes. 4. Communication systems: Used in signal processing and modulation/demodulation applications. 5. Automotive electronics: Enables sensor data acquisition and control in automotive systems.

Detailed and Complete Alternative Models

  1. AD7949BRSZ-REEL: Similar to AD7948BRSZ-REEL, but with 12-bit resolution.
  2. AD7950BRSZ-REEL: Offers 18-bit resolution for higher precision applications.
  3. AD7981BRSZ-REEL: Provides 16-bit resolution with a higher sampling rate of 2 MSPS.

These alternative models offer different resolutions and sampling rates to cater to specific application requirements.

In conclusion, AD7948BRSZ-REEL is a high-resolution ADC that offers fast conversion rates and low power consumption. Its

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van AD7948BRSZ-REEL in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of AD7948BRSZ-REEL in technical solutions:

  1. Q: What is the AD7948BRSZ-REEL? A: The AD7948BRSZ-REEL is a 14-bit, 8-channel analog-to-digital converter (ADC) with a serial interface.

  2. Q: What is the voltage range supported by the AD7948BRSZ-REEL? A: The AD7948BRSZ-REEL supports a voltage range of 0V to VREF, where VREF is the reference voltage provided externally.

  3. Q: What is the maximum sampling rate of the AD7948BRSZ-REEL? A: The AD7948BRSZ-REEL has a maximum sampling rate of 250 kilosamples per second (ksps).

  4. Q: How many channels can be simultaneously sampled by the AD7948BRSZ-REEL? A: The AD7948BRSZ-REEL can sample up to 8 channels simultaneously.

  5. Q: What is the resolution of the AD7948BRSZ-REEL? A: The AD7948BRSZ-REEL has a resolution of 14 bits, providing high precision in converting analog signals to digital values.

  6. Q: Does the AD7948BRSZ-REEL require an external reference voltage? A: Yes, the AD7948BRSZ-REEL requires an external reference voltage (VREF) for accurate conversion.

  7. Q: Can the AD7948BRSZ-REEL operate in single-ended or differential mode? A: The AD7948BRSZ-REEL can operate in both single-ended and differential mode, providing flexibility in signal acquisition.

  8. Q: What is the power supply voltage range for the AD7948BRSZ-REEL? A: The AD7948BRSZ-REEL operates with a power supply voltage range of 2.7V to 5.25V.

  9. Q: Does the AD7948BRSZ-REEL have built-in digital filters? A: No, the AD7948BRSZ-REEL does not have built-in digital filters. Additional external filtering may be required based on the application requirements.

  10. Q: What is the package type of the AD7948BRSZ-REEL? A: The AD7948BRSZ-REEL is available in a small outline integrated circuit (SOIC) package.

Please note that these answers are general and may vary depending on the specific application and use case. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.