AD7708BR-REEL

Product Overview

Category

AD7708BR-REEL belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital format, making it suitable for a wide range of applications in various industries.

Characteristics

• High-resolution: The AD7708BR-REEL offers high-resolution conversion, allowing for accurate representation of analog signals.
• Low power consumption: It is designed to operate with low power consumption, making it suitable for battery-powered devices.
• Versatile input options: The ADC supports multiple input types, including voltage and current inputs.
• Flexible interface: It features a serial interface, enabling easy integration with microcontrollers and other digital systems.

Package

The AD7708BR-REEL comes in a compact package, ensuring ease of integration into electronic circuits and systems.

Essence

The essence of AD7708BR-REEL lies in its ability to convert analog signals into digital form with high precision and efficiency.

Packaging/Quantity

This product is typically available in reel packaging, containing a specified quantity of units per reel.

Specifications

• Resolution: 16 bits
• Input voltage range: ±10V
• Input current range: ±20mA
• Conversion rate: Up to 250 kSPS (samples per second)
• Operating temperature range: -40°C to +85°C
• Supply voltage: 2.7V to 5.25V

Detailed Pin Configuration

1. VDD: Power supply input
2. AGND: Analog ground
3. AVDD: Analog power supply input
4. REFOUT: Reference output
5. REFIN: Reference input
6. AIN1(+) / AIN1(-): Differential analog input 1
7. AIN2(+) / AIN2(-): Differential analog input 2
8. AIN3(+) / AIN3(-): Differential analog input 3
9. AIN4(+) / AIN4(-): Differential analog input 4
10. DVDD: Digital power supply input
11. DGND: Digital ground
12. SCLK: Serial clock input
13. DIN: Serial data input
14. DOUT: Serial data output
15. CS: Chip select input

Functional Features

• High-resolution conversion for accurate signal representation
• Programmable gain amplifier for signal conditioning
• On-chip reference voltage generator
• Flexible filter options for noise reduction
• SPI-compatible serial interface for easy integration with digital systems

Advantages and Disadvantages

Advantages

• High resolution ensures precise signal conversion.
• Low power consumption makes it suitable for battery-powered devices.
• Versatile input options allow for a wide range of applications.
• Compact package facilitates easy integration into electronic circuits.

Disadvantages

• Limited input voltage and current ranges may not be suitable for certain applications requiring higher levels.

Working Principles

The AD7708BR-REEL operates on the principle of successive approximation, where the analog input signal is compared to a reference voltage and converted into a digital value using an internal ADC core. The programmable gain amplifier and on-chip reference voltage generator help in conditioning the input signal and providing a stable reference, respectively. The converted digital data is then transmitted through the serial interface for further processing or storage.

Detailed Application Field Plans

The AD7708BR-REEL finds applications in various fields, including but not limited to: - Industrial automation - Medical instrumentation - Data acquisition systems - Process control - Sensor interfaces

Detailed and Complete Alternative Models

1. AD7791: Similar functionality with lower resolution (24 bits)
2. AD7768: Higher resolution (24 bits) with additional features like integrated digital filters
3. ADS1115: I2C-compatible ADC with 16-bit resolution

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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