AD7847ARZ-REEL

Product Overview

Category

AD7847ARZ-REEL belongs to the category of integrated circuit (IC) chips.

Use

This product is commonly used in electronic devices for various applications, including data acquisition systems, industrial automation, and communication equipment.

Characteristics

• High precision: AD7847ARZ-REEL offers accurate and reliable performance.
• Versatility: It can be used in a wide range of applications due to its flexible design.
• Low power consumption: The chip is designed to minimize power consumption, making it suitable for battery-powered devices.
• Fast response time: AD7847ARZ-REEL provides quick and efficient data processing.

Package

AD7847ARZ-REEL is available in a small outline package (SOIC), which ensures easy integration into electronic circuits.

Essence

The essence of AD7847ARZ-REEL lies in its ability to convert analog signals into digital data with high precision and efficiency.

Packaging/Quantity

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

Specifications

• Resolution: 12-bit
• Number of channels: 8
• Input voltage range: ±10V
• Conversion rate: 1 MSPS (Million Samples Per Second)
• Interface: Serial Peripheral Interface (SPI)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

1. VDD: Power supply pin
2. VREF: Reference voltage input
3. AGND: Analog ground
4. DGND: Digital ground
5. CS: Chip select input
6. SCLK: Serial clock input
7. SDIN: Serial data input
8. SDOUT: Serial data output
9. RDY/BSY: Ready/busy status output
10. RESET: Reset input
11. A0-A7: Analog input channels
12. VLOGIC: Logic supply voltage

Functional Features

• High-resolution conversion: AD7847ARZ-REEL provides 12-bit resolution, ensuring accurate and precise data acquisition.
• Multiplexed inputs: The chip offers eight multiplexed analog input channels, allowing for versatile signal processing.
• Serial interface: It utilizes the Serial Peripheral Interface (SPI) for easy integration with microcontrollers and other digital devices.
• Internal reference voltage: AD7847ARZ-REEL includes an internal reference voltage source, eliminating the need for an external reference.

Advantages and Disadvantages

Advantages

• High precision and accuracy in data conversion
• Versatile application possibilities
• Low power consumption
• Fast response time

Disadvantages

• Limited number of input channels (8)
• Requires external control circuitry for proper operation

Working Principles

AD7847ARZ-REEL operates based on the successive approximation method. It converts analog signals into digital data by comparing the input voltage with a reference voltage and iteratively adjusting the digital code until the desired accuracy is achieved. The converted digital data is then transmitted through the serial interface for further processing or storage.

Detailed Application Field Plans

AD7847ARZ-REEL finds applications in various fields, including: 1. Data acquisition systems: Used to convert analog sensor signals into digital data for analysis and processing. 2. Industrial automation: Enables precise control and monitoring of industrial processes. 3. Communication equipment: Facilitates accurate signal processing in communication systems. 4. Medical devices: Provides high-precision data acquisition for medical diagnostic equipment. 5. Test and measurement instruments: Used for accurate measurement and analysis of electrical signals.

Detailed and Complete Alternative Models

1. AD7846: Similar to AD7847ARZ-REEL but with 4 input channels instead of 8.
2. AD7867: Offers higher resolution (16-bit) and more input channels (16).
3. MCP3208: A cost-effective alternative with 12-bit resolution and 8 input channels.

These alternative models provide similar functionality and can be considered based on specific application requirements and budget constraints.

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