ADS1203IRGTRG4

Product Overview

Category: Integrated Circuit (IC)

Use: The ADS1203IRGTRG4 is a high-resolution, low-power, delta-sigma analog-to-digital converter (ADC) designed for precision measurement applications. It is commonly used in industrial automation, medical equipment, and scientific instruments.

Characteristics: - High resolution: The ADS1203IRGTRG4 offers up to 24-bit resolution, allowing for accurate measurement of small signals. - Low power consumption: With its low power design, the ADC minimizes energy consumption, making it suitable for battery-powered devices. - Delta-sigma architecture: The delta-sigma modulation technique provides excellent noise rejection and linearity, ensuring reliable and precise measurements. - Programmable gain amplifier (PGA): The integrated PGA allows for signal amplification, enabling the ADC to handle a wide range of input voltages. - Serial interface: The ADC features a serial interface (SPI) for easy integration with microcontrollers or other digital systems.

Package: The ADS1203IRGTRG4 comes in a small outline package (SOIC) with 16 pins, providing a compact form factor for space-constrained applications.

Essence: The essence of the ADS1203IRGTRG4 lies in its ability to accurately convert analog signals into digital data, enabling precise measurements in various applications.

Packaging/Quantity: The ADC is typically sold in reels containing 2500 units per reel.

Specifications

• Resolution: Up to 24 bits
• Input voltage range: ±Vref
• Sampling rate: Up to 1 kSPS (kilosamples per second)
• Power supply voltage: 2.7 V to 5.5 V
• Operating temperature range: -40°C to +125°C

Pin Configuration

The ADS1203IRGTRG4 features 16 pins arranged as follows:

```

---

| | | U1 | |_______________________|

   Pin Configuration

1 - VREFP 2 - VREFN 3 - AIN1 4 - AIN2 5 - AIN3 6 - AIN4 7 - AIN5 8 - AIN6 9 - AIN7 10 - AIN8 11 - SCLK 12 - DIN 13 - DOUT 14 - CS 15 - DRDY 16 - GND ```

Functional Features

• High-resolution ADC: The ADS1203IRGTRG4 offers up to 24-bit resolution, allowing for precise measurement of small analog signals.
• Low power consumption: With its low-power design, the ADC minimizes energy consumption, making it suitable for battery-powered applications.
• Programmable gain amplifier (PGA): The integrated PGA allows for signal amplification, enabling the ADC to handle a wide range of input voltages.
• Serial interface: The ADC features a serial peripheral interface (SPI) for easy integration with microcontrollers or other digital systems.
• Delta-sigma architecture: The delta-sigma modulation technique provides excellent noise rejection and linearity, ensuring reliable and accurate measurements.

Advantages and Disadvantages

Advantages: - High resolution for precise measurements - Low power consumption for energy-efficient operation - Wide input voltage range with programmable gain amplifier - Easy integration with microcontrollers through the serial interface - Excellent noise rejection and linearity due to delta-sigma architecture

Disadvantages: - Limited sampling rate compared to some other ADCs - Requires external voltage reference for accurate measurements

Working Principles

The ADS1203IRGTRG4 utilizes a delta-sigma modulation technique to convert analog signals into digital data. The input signal is sampled at a high frequency and then processed through a series of digital filters. The resulting digital output represents the amplitude of the input signal with high resolution.

The integrated programmable gain amplifier allows for amplification of the input signal, ensuring that a wide range of voltages can be accurately measured. The serial interface enables easy communication with microcontrollers or other digital systems, facilitating the integration of the ADC into various applications.

Detailed Application Field Plans

The ADS1203IRGTRG4 finds application in various fields, including:

1. Industrial Automation:

   • Precision measurement of sensor signals in manufacturing processes
   • Monitoring and control of industrial equipment

2. Medical Equipment:

   • Vital sign monitoring devices
   • Electrocardiogram (ECG) measurement systems

3. Scientific Instruments:

   • Data acquisition systems for research purposes