AD7794BRUZ-REEL

Product Overview

Category

AD7794BRUZ-REEL belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital data. It finds applications in various industries such as industrial automation, medical devices, and scientific instruments.

Characteristics

• High-resolution: The AD7794BRUZ-REEL offers a resolution of up to 24 bits, ensuring accurate conversion of analog signals.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Wide input voltage range: The ADC can handle a wide range of input voltages, allowing flexibility in signal acquisition.
• On-chip programmable gain amplifier: The built-in programmable gain amplifier enables amplification of weak signals without external components.

Package

The AD7794BRUZ-REEL comes in a small form factor package, which is easy to integrate into various electronic systems. The package type is a 16-lead TSSOP (Thin Shrink Small Outline Package).

Essence

The essence of the AD7794BRUZ-REEL lies in its ability to accurately convert analog signals into digital data with high resolution and low power consumption.

Packaging/Quantity

The product is typically available in reels containing a specific quantity of units. The exact quantity may vary depending on the supplier or manufacturer.

Specifications

• Resolution: Up to 24 bits
• Input Voltage Range: ±VREF
• Power Supply: 2.7V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Conversion Rate: Up to 470 samples per second
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

The AD7794BRUZ-REEL has a total of 16 pins. The pin configuration is as follows:

1. AVDD: Analog power supply
2. AGND: Analog ground
3. DVDD: Digital power supply
4. DGND: Digital ground
5. REFOUT: Reference voltage output
6. REFIN: Reference voltage input
7. AIN1(+) / AIN3(-): Differential analog input
8. AIN1(-) / AIN3(+): Differential analog input
9. AIN2(+) / AIN4(-): Differential analog input
10. AIN2(-) / AIN4(+): Differential analog input
11. EXCITATION: Excitation voltage input
12. DRDY: Data ready output
13. RESET: Reset input
14. CS: Chip select input
15. SCLK: Serial clock input
16. SDATA: Serial data input/output

Functional Features

• High-resolution ADC with up to 24 bits
• On-chip programmable gain amplifier for signal conditioning
• Low power consumption for energy-efficient operation
• SPI interface for easy integration with microcontrollers and other digital devices
• Internal reference voltage generator for accurate conversions

Advantages and Disadvantages

Advantages

• High resolution ensures precise conversion of analog signals.
• Low power consumption makes it suitable for battery-powered applications.
• Wide input voltage range allows flexibility in signal acquisition.
• On-chip programmable gain amplifier eliminates the need for external amplification components.

Disadvantages

• Limited conversion rate compared to some other ADCs on the market.
• Requires an external reference voltage for optimal performance.

Working Principles

The AD7794BRUZ-REEL operates based on the principle of successive approximation. It samples the analog input voltage, converts it into a digital representation using a series of comparisons, and provides the digital output through the SPI interface.

Detailed Application Field Plans

The AD7794BRUZ-REEL finds applications in various fields, including:

1. Industrial Automation: Used for precise measurement and control of analog signals in industrial processes.
2. Medical Devices: Enables accurate conversion of physiological signals for monitoring and diagnosis.
3. Scientific Instruments: Provides high-resolution data acquisition for research and experimentation.

Detailed and Complete Alternative Models

1. AD7793: Similar to AD7794BRUZ-REEL but with a lower resolution of 16 bits.
2. AD7795: Offers higher resolution (24 bits) and additional features such as on-chip temperature sensor and current sources.
3. AD7796: Provides higher resolution (24 bits) and differential input channels for more complex signal acquisition.

These alternative models offer different specifications and features to cater to specific application requirements.

In conclusion, the AD7794BRUZ-REEL is a high-resolution analog-to-digital converter that offers accurate signal conversion with low power consumption. It finds applications in various industries and provides advantages such as wide input voltage range and on-chip programmable