AD7847BRZ-REEL

Product Overview

Category

The AD7847BRZ-REEL belongs to the category of integrated circuit (IC) chips.

Use

This IC chip is primarily used for analog-to-digital conversion in various electronic devices and systems.

Characteristics

• High precision: The AD7847BRZ-REEL offers high-resolution analog-to-digital conversion, ensuring accurate measurement and control.
• Low power consumption: This chip is designed to operate efficiently with minimal power consumption.
• Fast conversion speed: The AD7847BRZ-REEL provides rapid conversion rates, enabling real-time data acquisition.
• Wide voltage range: It can handle a wide input voltage range, making it suitable for diverse applications.
• Small form factor: The chip is compactly designed, allowing for easy integration into different electronic systems.

Package

The AD7847BRZ-REEL is available in a small outline package (SOIC), which ensures ease of handling and compatibility with standard PCB designs.

Essence

The essence of the AD7847BRZ-REEL lies in its ability to convert analog signals into digital data, facilitating precise measurements and control in electronic systems.

Packaging/Quantity

This IC chip 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: The AD7847BRZ-REEL offers a resolution of 12 bits, providing high accuracy in digitizing analog signals.
• Input Voltage Range: It supports an input voltage range of 0V to Vref, where Vref is the reference voltage provided externally.
• Conversion Time: The chip has a fast conversion time of X microseconds, ensuring real-time data acquisition.
• Operating Temperature Range: The AD7847BRZ-REEL can operate within a temperature range of -40°C to +85°C, making it suitable for various environmental conditions.
• Supply Voltage: It requires a supply voltage of Vdd, typically ranging from 2.7V to 5.5V.

Detailed Pin Configuration

The AD7847BRZ-REEL has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. Vref: Reference voltage input pin.
2. AGND: Analog ground connection.
3. REFOUT: Reference voltage output pin.
4. AIN1: Analog input channel 1.
5. AIN2: Analog input channel 2.
6. AIN3: Analog input channel 3.
7. AIN4: Analog input channel 4.
8. DOUT: Digital output pin.
9. DIN: Serial data input pin.
10. SCLK: Serial clock input pin.
11. CS: Chip select input pin.
12. DGND: Digital ground connection.
13. VDD: Positive power supply pin.
14. VLOGIC: Logic power supply pin.
15. NC: No connection.
16. NC: No connection.

Functional Features

High Precision Conversion

The AD7847BRZ-REEL offers high precision analog-to-digital conversion, ensuring accurate measurement and control in various applications.

Serial Interface

It features a serial interface that allows easy integration with microcontrollers and other digital systems.

Multiple Input Channels

With four analog input channels, the chip enables simultaneous conversion of multiple signals, enhancing efficiency in data acquisition.

Low Power Consumption

The AD7847BRZ-REEL is designed to operate with low power consumption, making it suitable for battery-powered devices and energy-efficient systems.

Advantages and Disadvantages

Advantages

• High precision conversion ensures accurate measurements.
• Fast conversion speed enables real-time data acquisition.
• Multiple input channels allow simultaneous conversion of multiple signals.
• Low power consumption makes it suitable for energy-efficient systems.

Disadvantages

• Limited resolution compared to higher-end ADCs.
• May require external reference voltage for optimal performance.

Working Principles

The AD7847BRZ-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 determining the closest digital representation.

The chip utilizes an internal digital-to-analog converter (DAC) and a comparator to perform the conversion process. The successive approximation algorithm iteratively adjusts the DAC output until it matches the input voltage, resulting in a digital representation of the analog signal.

Detailed Application Field Plans

The AD7847BRZ-REEL finds applications in various fields, including:

1. Industrial Automation: Used for precise measurement and control in industrial automation systems.
2. Medical Devices: Enables accurate data acquisition in medical devices such as patient monitoring systems.
3. Test and Measurement Equipment: Provides high-resolution analog-to-digital conversion for test and measurement instruments.
4. Communication Systems: Used in communication systems for signal processing