ADS122U04IRTER

Product Overview

Category

The ADS122U04IRTER 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 a wide range of applications in various industries.

Characteristics

• High-resolution: The ADS122U04IRTER offers high-resolution conversion, allowing for accurate and precise measurement of analog signals.
• Low power consumption: It is designed to operate with low power consumption, making it energy-efficient.
• Integrated features: This ADC integrates various features such as programmable gain amplifiers, voltage reference, and temperature sensor, enhancing its versatility and functionality.
• Noise reduction: The device incorporates noise reduction techniques to ensure reliable and accurate signal conversion.

Package

The ADS122U04IRTER comes in a small form factor package, making it suitable for space-constrained applications. It is available in a QFN (Quad Flat No-leads) package.

Essence

The essence of the ADS122U04IRTER lies in its ability to convert analog signals into digital data with high precision and efficiency.

Packaging/Quantity

The product is typically packaged in reels or trays, depending on the manufacturer's specifications. The quantity per package may vary, but it is commonly available in quantities of 250 or 1000 units.

Specifications

• Resolution: Up to 24 bits
• Input Voltage Range: ±2.048V
• Sampling Rate: Up to 2000 samples per second
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage: 2.7V to 5.5V
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

The ADS122U04IRTER has a total of 16 pins, which are assigned specific functions. Here is the detailed pin configuration:

1. AVDD: Analog power supply
2. DVDD: Digital power supply
3. AGND: Analog ground
4. DGND: Digital ground
5. AIN0: Analog input channel 0
6. AIN1: Analog input channel 1
7. AIN2: Analog input channel 2
8. AIN3: Analog input channel 3
9. REFN: Negative reference voltage input
10. REFP: Positive reference voltage input
11. DRDY: Data ready output
12. CS: Chip select input
13. SCLK: Serial clock input
14. MISO: Master In Slave Out (data output)
15. MOSI: Master Out Slave In (data input)
16. RESET: Reset input

Functional Features

• Programmable gain amplifiers (PGA): The ADS122U04IRTER allows users to adjust the gain of the analog input signal, providing flexibility in different measurement scenarios.
• Internal temperature sensor: It includes an integrated temperature sensor, enabling accurate temperature measurements alongside analog-to-digital conversion.
• Low noise performance: The device incorporates techniques to minimize noise, ensuring reliable and high-quality signal conversion.
• Flexible interface: The ADC utilizes the SPI interface, allowing for easy integration with microcontrollers and other digital systems.

Advantages and Disadvantages

Advantages

• High-resolution conversion for precise measurements
• Low power consumption for energy efficiency
• Integrated features enhance functionality
• Noise reduction techniques ensure accurate signal conversion

Disadvantages

• Limited input voltage range compared to some other ADCs
• Requires external components for proper operation

Working Principles

The ADS122U04IRTER operates by sampling the analog input signal and converting it into a digital representation using its internal ADC circuitry. The programmable gain amplifiers allow for amplification or attenuation of the input signal, ensuring optimal signal levels for conversion. The converted digital data is then made available through the SPI interface.

Detailed Application Field Plans

The ADS122U04IRTER finds applications in various fields, including but not limited to: - Industrial automation - Medical devices - Test and measurement equipment - Energy management systems - Automotive electronics

In industrial automation, it can be used for precise sensor measurements, control systems, and data acquisition. In medical devices, it enables accurate monitoring of vital signs and patient diagnostics. Test and measurement equipment benefit from its high-resolution conversion capabilities. Energy management systems utilize it for power monitoring and energy efficiency analysis. Automotive electronics employ this ADC for various sensing and control applications.

Detailed and Complete Alternative Models

• ADS124S08: Similar to the ADS122U04IRTER, this ADC offers 24-bit resolution and low power consumption. It features a different pin configuration and package.
• ADS1262: This ADC provides higher resolution (32 bits) and includes additional integrated features such as a voltage reference and current sources. It operates at lower sampling rates compared to the ADS122U04IRTER.