AD7703CR-REEL

Product Overview

Category: Integrated Circuit (IC)

Use: The AD7703CR-REEL is a high-resolution analog-to-digital converter (ADC) designed for precision measurement applications. It provides accurate conversion of analog signals into digital data, making it suitable for various industrial and scientific applications.

Characteristics: - High resolution: The AD7703CR-REEL offers 16-bit resolution, ensuring precise measurement and conversion of analog signals. - Low noise: It features low noise performance, enabling accurate measurements even in noisy environments. - Wide input voltage range: The ADC can handle a wide range of input voltages, allowing for versatile usage. - Programmable gain amplifier: The device includes a programmable gain amplifier that allows for amplification of weak signals, enhancing measurement accuracy. - On-chip reference: The AD7703CR-REEL incorporates an on-chip reference voltage source, eliminating the need for external references.

Package: The AD7703CR-REEL is available in a compact and industry-standard 20-lead SOIC (Small Outline Integrated Circuit) package, which ensures easy integration into various circuit designs.

Essence: The essence of the AD7703CR-REEL lies in its ability to accurately convert analog signals into digital data with high resolution and low noise, making it ideal for precision measurement applications.

Packaging/Quantity: The AD7703CR-REEL is typically supplied in reels containing a specified quantity of ICs, ensuring convenient handling during manufacturing processes.

Specifications

• Resolution: 16 bits
• Input Voltage Range: ±Vref
• Reference Voltage Range: 2.5V to 5V
• Conversion Rate: Up to 4.8 kSPS (thousand samples per second)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 2.7V to 5.25V

Detailed Pin Configuration

The AD7703CR-REEL features a 20-lead SOIC package with the following pin configuration:

1. VDD: Power supply voltage
2. VREF: Reference voltage input
3. AGND: Analog ground
4. AIN1(+) / AIN1(-): Differential analog input pins
5. AIN2(+) / AIN2(-): Differential analog input pins
6. DVDD: Digital power supply voltage
7. DGND: Digital ground
8. SCLK: Serial clock input
9. DIN: Serial data input
10. DOUT: Serial data output
11. CS: Chip select input
12. RDY: Ready output
13. REFIN1(+) / REFIN1(-): External reference input pins
14. REFIN2(+) / REFIN2(-): External reference input pins
15. REFOUT: Reference output
16. AVDD: Analog power supply voltage
17. RESET: Reset input
18. SYNC: Synchronization input
19. ODR0: Output data rate selection bit 0
20. ODR1: Output data rate selection bit 1

Functional Features

• High-resolution ADC: The AD7703CR-REEL offers 16-bit resolution, ensuring accurate conversion of analog signals into digital data.
• Programmable gain amplifier: It includes a programmable gain amplifier that allows for amplification of weak signals, enhancing measurement accuracy.
• Low noise performance: The ADC features low noise characteristics, enabling precise measurements even in noisy environments.
• On-chip reference: The device incorporates an on-chip reference voltage source, eliminating the need for external references.
• Flexible input voltage range: The ADC can handle a wide range of input voltages, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High-resolution conversion - Low noise performance - Programmable gain amplifier for signal amplification - On-chip reference voltage source - Versatile input voltage range

Disadvantages: - Limited output data rate compared to some other ADCs - Requires external synchronization for certain applications

Working Principles

The AD7703CR-REEL operates on the principle of successive approximation. It samples the analog input signal and converts it into a digital representation using an internal 16-bit ADC. The programmable gain amplifier allows for amplification of weak signals before conversion. The device incorporates an on-chip reference voltage source, ensuring accurate and reliable measurements.

Detailed Application Field Plans

The AD7703CR-REEL finds application in various fields that require precise analog-to-digital conversion, such as: 1. Industrial process control systems 2. Data acquisition systems 3. Medical instrumentation 4. Scientific research equipment 5. Precision measurement devices

Detailed and Complete Alternative Models

1. AD7701: 16