AD7716BPZ

Product Overview

Category

AD7716BPZ belongs to the category of analog-to-digital converters (ADCs).

Use

The AD7716BPZ is primarily used for converting analog signals into digital data. It is commonly employed in various applications that require precise and accurate conversion of analog signals, such as industrial automation, instrumentation, and sensor interfacing.

Characteristics

• High resolution: The AD7716BPZ offers a high-resolution output, ensuring accurate conversion of analog signals.
• Low power consumption: This ADC is designed to consume minimal power, making it suitable for battery-powered devices.
• Fast conversion rate: With its fast conversion rate, the AD7716BPZ can efficiently process analog signals in real-time applications.
• Wide input voltage range: It supports a wide input voltage range, allowing for versatile signal conversion.

Package

The AD7716BPZ comes in a small form factor package, which is a 24-pin plastic leaded chip carrier (PLCC). This package provides mechanical protection and facilitates easy integration into electronic circuits.

Essence

The essence of the AD7716BPZ lies in its ability to accurately convert analog signals into digital data, enabling precise measurement and control in various applications.

Packaging/Quantity

The AD7716BPZ is typically available in reels containing multiple units. The exact quantity per reel may vary depending on the supplier.

Specifications

• Resolution: 16 bits
• Input voltage range: ±10V
• Conversion rate: Up to 250 kSPS (thousand samples per second)
• Power supply: +5V
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

1. VREFIN(+) - Positive reference voltage input
2. VREFIN(-) - Negative reference voltage input
3. AGND - Analog ground
4. AVDD - Analog power supply
5. DVDD - Digital power supply
6. DOUT/RDY - Data output/Ready signal
7. SCLK - Serial clock input
8. DIN - Serial data input
9. CS - Chip select input
10. RESET - Reset input
11. AIN1(+) - Positive analog input channel 1
12. AIN1(-) - Negative analog input channel 1
13. AIN2(+) - Positive analog input channel 2
14. AIN2(-) - Negative analog input channel 2
15. AIN3(+) - Positive analog input channel 3
16. AIN3(-) - Negative analog input channel 3
17. AIN4(+) - Positive analog input channel 4
18. AIN4(-) - Negative analog input channel 4
19. AGND - Analog ground
20. DGND - Digital ground
21. VREFOUT - Reference voltage output
22. REFIN(+) - Positive reference voltage input
23. REFIN(-) - Negative reference voltage input
24. VDD - Power supply

Functional Features

• Simultaneous sampling: The AD7716BPZ can simultaneously sample multiple analog input channels, allowing for efficient data acquisition.
• On-chip calibration: It incorporates on-chip calibration mechanisms to ensure accurate and reliable conversion results.
• Programmable gain amplifier (PGA): The ADC includes a PGA that enables amplification of weak analog signals, enhancing the overall sensitivity of the system.

Advantages and Disadvantages

Advantages

• High resolution ensures precise measurement accuracy.
• Low power consumption makes it suitable for portable and battery-powered devices.
• Fast conversion rate enables real-time signal processing.
• Wide input voltage range allows for versatile signal conversion.

Disadvantages

• Limited number of analog input channels.
• Requires external reference voltage sources for accurate conversion.

Working Principles

The AD7716BPZ operates based on the successive approximation register (SAR) architecture. It samples the analog input signals, converts them into digital data using a comparator and a digital-to-analog converter (DAC), and then stores the converted values in its internal registers. The conversion process is controlled by an internal clock and can be initiated through the serial interface.

Detailed Application Field Plans

The AD7716BPZ finds applications in various fields, including: 1. Industrial automation: Used for precise measurement and control in industrial processes. 2. Instrumentation: Employed in scientific instruments for accurate data acquisition. 3. Sensor interfacing: Enables conversion of analog sensor outputs into digital data for further processing and analysis.

Detailed and Complete Alternative Models

1. AD7791: A similar ADC with lower resolution but higher sampling rate.
2. AD7768: Offers higher resolution and additional features such as integrated digital filters.
3. ADS124S08: Provides higher resolution and supports a wider input voltage range.

These alternative models offer different specifications and