Benchmarking REF3125, GXSC voltage reference source applied to industrial automation data acquisition

In automated production lines, it is necessary to collect the operating data of various devices, such as the position and speed of the robotic arm, the pressure and flow of the production line, etc. The ADC has to convert these analog signals into digital signals for the control system to process. If the reference voltage is not stable, the ADC converted digital signal will have errors, resulting in the control system to receive the wrong information, which in turn affects the accuracy and consistency of production.

Data acquisition is an important part of industrial automation, which requires a precise reference voltage to ensure the accuracy of the collected data.REF3125, due to its low drift and high accuracy, enables the ADC to accurately convert analog signals to digital signals, reducing quantization errors and improving the accuracy and reliability of data acquisition. In the production process of temperature, humidity, voltage and other parameters for the collection, can ensure that the collected data truly reflect the actual situation. This article recommends a GXSC voltage reference source to replace the REF3125 in industrial automation applications.

GXSC voltage reference is a low temperature drift (up to 15ppm / ℃), low power consumption, high precision CMOS reference voltage source, with ± 0.15% of the highest initial accuracy, low operating current, power consumption of less than 125 μa. The device also provides a 15 μVp-p / V of low output noise, can be compatible with the majority of the ADC and DAC, which provides a small SOT-23 package. The device‘s low output voltage hysteresis and low long-term output voltage drift further enhance system stability and reliability.

GXSC voltage reference source features are described:

- Initial accuracy: ±0.15% of maximum value

- Temperature Coefficient: 15ppm/°C, -40°C to +125°C max.

- Operating temperature range: -40°C to +125°C

- Output Current: ±10mA

- Low power consumption current: ±125μA

- Ultra-low zero load voltage drop: 200mV

- Input Voltage: 2.7V~5.5V

- Output 1/f noise (0.1Hz to 10Hz): 15μVp-p/V

- Long-term stability: 45ppm/10,000 hours

- Package type: SOT-23(3)

In summary: The GXSC voltage reference source has high accuracy and low drift characteristics that enable the ADC to accurately convert signals and ensure that the data collected truly reflects the operating status of the device.