AD7948ARS-BREEL

Product Overview

Category

AD7948ARS-BREEL 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 various applications in industries such as telecommunications, industrial automation, and medical devices.

Characteristics

• High-resolution: AD7948ARS-BREEL offers a resolution of 16 bits, ensuring accurate conversion of analog signals.
• Low power consumption: This ADC operates at low power levels, making it energy-efficient and suitable for battery-powered devices.
• Fast conversion rate: With a maximum sampling rate of 1 MSPS (mega samples per second), it can quickly convert analog signals into digital data.
• Wide input voltage range: AD7948ARS-BREEL supports a wide input voltage range, allowing it to handle a variety of signal amplitudes.
• Integrated features: It includes built-in reference voltage sources and programmable gain amplifiers, simplifying the design process.

Package and Quantity

AD7948ARS-BREEL is available in a small outline integrated circuit (SOIC) package. Each package contains one unit of the ADC.

Specifications

• Resolution: 16 bits
• Sampling Rate: Up to 1 MSPS
• Input Voltage Range: ±10V
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AD7948ARS-BREEL ADC has a total of 28 pins. The pin configuration is as follows:

Pin 1: VREF- Pin 2: VREF+ Pin 3: AGND Pin 4: AVDD Pin 5: REFOUT Pin 6: REFIN Pin 7: DGND Pin 8: DVDD Pin 9: D7 Pin 10: D6 Pin 11: D5 Pin 12: D4 Pin 13: D3 Pin 14: D2 Pin 15: D1 Pin 16: D0 Pin 17: CS Pin 18: RD Pin 19: WR Pin 20: RESET Pin 21: SCLK Pin 22: SDI Pin 23: SDO Pin 24: CONVST Pin 25: BUSY Pin 26: DGND Pin 27: DVDD Pin 28: VDRIVE

Functional Features

• High-resolution conversion: AD7948ARS-BREEL provides accurate conversion of analog signals into digital data with its 16-bit resolution.
• Programmable gain amplifiers: It includes programmable gain amplifiers that allow users to adjust the gain according to their specific requirements.
• Integrated reference voltage sources: The built-in reference voltage sources eliminate the need for external references, simplifying the design process.
• Serial interface: AD7948ARS-BREEL utilizes a serial interface (SPI) for communication with microcontrollers or other digital devices.

Advantages and Disadvantages

Advantages

• High-resolution conversion ensures accurate representation of analog signals.
• Low power consumption makes it suitable for battery-powered devices.
• Fast conversion rate enables real-time data acquisition.
• Wide input voltage range allows for versatile signal handling.
• Integrated features simplify the design process.

Disadvantages

• Limited to 16-bit resolution, which may not be sufficient for applications requiring higher precision.
• Requires an external microcontroller or digital device for control and data processing.

Working Principles

AD7948ARS-BREEL operates based on the successive approximation register (SAR) ADC architecture. It samples the analog input signal, converts it into a digital representation using an internal comparator and successive approximation register, and outputs the converted data through the serial interface.

Application Field Plans

AD7948ARS-BREEL finds applications in various fields, including: - Telecommunications: Used for signal processing in communication systems. - Industrial Automation: Enables precise measurement and control in industrial processes. - Medical Devices: Provides accurate data acquisition in medical equipment such as patient monitoring systems.

Alternative Models

• AD7947: 12-bit resolution ADC with similar features to AD7948ARS-BREEL.
• AD7949: 18-bit resolution ADC with higher precision than AD7948ARS-BREEL.
• AD7980: 16-bit resolution ADC with higher sampling rate and additional features.

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

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