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AD7887AR-REEL7

AD7887AR-REEL7

Product Overview

Category

AD7887AR-REEL7 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital data.

Characteristics

  • High-resolution ADC with 12-bit resolution
  • Single-ended input channels
  • Low power consumption
  • Fast conversion rate
  • Wide operating temperature range

Package

AD7887AR-REEL7 comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of AD7887AR-REEL7 lies in its ability to accurately convert analog signals into digital form, enabling further processing and analysis.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Resolution: 12 bits
  • Input Channels: Single-ended
  • Conversion Rate: Up to 1 MSPS (Mega Samples Per Second)
  • Power Supply: 2.7V to 5.25V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AD7887AR-REEL7 has the following pin configuration:

  1. VDD: Power supply voltage
  2. VREF: Reference voltage input
  3. AGND: Analog ground
  4. REFOUT: Reference output voltage
  5. VIN: Analog input voltage
  6. CS: Chip select input
  7. SCLK: Serial clock input
  8. SDATA: Serial data output
  9. DGND: Digital ground

Functional Features

  • High-resolution conversion
  • Low power consumption
  • Fast conversion rate
  • Easy integration with microcontrollers and digital systems
  • Flexible power supply options

Advantages and Disadvantages

Advantages

  • Accurate and precise conversion of analog signals
  • Low power consumption makes it suitable for battery-powered applications
  • Fast conversion rate allows for real-time data acquisition
  • Wide operating temperature range enables usage in various environments

Disadvantages

  • Limited number of input channels (single-ended only)
  • Requires external reference voltage for accurate conversions

Working Principles

AD7887AR-REEL7 operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage, performs a series of comparisons, and generates a digital output representing the converted value.

Detailed Application Field Plans

AD7887AR-REEL7 finds applications in various fields, including:

  1. Industrial automation: Used for monitoring and control systems that require accurate analog-to-digital conversion.
  2. Medical devices: Enables precise measurement and analysis of physiological signals.
  3. Test and measurement equipment: Provides high-resolution data acquisition capabilities.
  4. Communication systems: Used for signal processing and modulation/demodulation applications.

Detailed and Complete Alternative Models

  1. AD7887ARZ: Similar to AD7887AR-REEL7 but comes in a different package (SOIC).
  2. AD7887ARSZ: Offers similar features as AD7887AR-REEL7 but with a smaller package size (SSOP).

These alternative models provide options for different packaging requirements or form factors while maintaining similar functionality.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AD7887AR-REEL7 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AD7887AR-REEL7 in technical solutions:

  1. Q: What is the AD7887AR-REEL7? A: The AD7887AR-REEL7 is a high-performance, low-power, 12-bit analog-to-digital converter (ADC) designed for various applications.

  2. Q: What is the supply voltage range for the AD7887AR-REEL7? A: The AD7887AR-REEL7 operates with a supply voltage range of 2.7V to 5.25V.

  3. Q: What is the maximum sampling rate of the AD7887AR-REEL7? A: The AD7887AR-REEL7 has a maximum sampling rate of 100 kilosamples per second (ksps).

  4. Q: What is the resolution of the AD7887AR-REEL7? A: The AD7887AR-REEL7 has a resolution of 12 bits, providing 4096 possible output codes.

  5. Q: What is the input voltage range of the AD7887AR-REEL7? A: The AD7887AR-REEL7 has a bipolar input voltage range of ±VREF.

  6. Q: Does the AD7887AR-REEL7 have an integrated reference voltage? A: No, the AD7887AR-REEL7 requires an external reference voltage (VREF) for operation.

  7. Q: What is the power consumption of the AD7887AR-REEL7? A: The AD7887AR-REEL7 has a typical power consumption of 0.9 milliwatts (mW) at 3V supply.

  8. Q: What is the interface used to communicate with the AD7887AR-REEL7? A: The AD7887AR-REEL7 uses a serial peripheral interface (SPI) for communication with microcontrollers or other devices.

  9. Q: Can the AD7887AR-REEL7 operate in a low-power mode? A: Yes, the AD7887AR-REEL7 has a power-down mode that reduces power consumption when not actively converting.

  10. Q: What are some typical applications of the AD7887AR-REEL7? A: The AD7887AR-REEL7 is commonly used in industrial process control, data acquisition systems, medical instruments, and portable battery-powered devices.

Please note that these answers are general and may vary depending on specific implementation details and requirements.