ADC1213D080W2-DB

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Analog to Digital Converters (ADCs) are used in a wide array of applications, including automotive, medical, consumer electronics, industrial, and communications. The ADC1213D080W2-DB is a 12-bit, 70 MHz, low-power, single-end, parallel output, CMOS analog-to-digital converter (ADC) specifically designed to enable robust and accurate signal conversion in these applications. This evaluation board makes it easy for engineers to experiment with the ADC1213D080W2-DB by including a power supply, test points, and other features. This article will focus on the ADC1213D080W2-DB application field and its working principle.

Application Field

The ADC1213D080W2-DB features a conversion rate up to 70 Msps, enabling it to be used for high-speed data acquisition. The device also has a high resolution of 12-bit which allows it to convert signals with high accuracy. Its versatile interface makes it suitable for a variety of applications. Some potential applications for the ADC1213D080W2-DB include:

• Automotive: The ADC1213D080W2-DB can be used to convert signals from sensors, such as speedometers, pressure and temperature sensors.
• Medical: The device is ideal for converting signals from ECG or EEG equipment.
• Consumer electronics: The ADC1213D080W2-DB has low power consumption, making it suitable for a range of applications, such as media players, gaming consoles, set-top boxes and smart watch displays.
• Industrial: In industrial settings, the ADC1213D080W2-DB can be used to convert signals from temperature sensors, pressure sensors and other sensors.
• Communications: The ADC1213D080W2-DB is capable of converting signals from satellite and terrestrial receivers.

Working Principle

The ADC1213D080W2-DB is a single-end, parallel output, CMOS-based ADC. It utilizes a two-stage architecture which allows it to convert signals quickly and accurately. The first stage is a sample and hold amplifier which is used to capture and hold the signal voltage. This is followed by a successive approximation analog-to-digital conversion (SAR-ADC) which converts the analog signal into a digital word.

The ADC1213D080W2-DB includes an on-chip Voltage Reference (VREF) which offers two levels of VREF. When the input signal is between 0 and 0.5*VREF, the ADC1213D080W2-DB will output a digital code of ‘0’. When the input signal is between 0.5*VREF and 1*VREF, the ADC1213D080W2-DB will output a digital word of ‘1’. The SAR-ADC then processes the digital word to determine the input voltage.

Additionally, the ADC1213D080W2-DB has integrated an on-chip Digital to Analog Converter (DAC) which is used for testing the SAR-ADC. The DAC is controlled by the Test Mode Control Register (TMCR) which can be programmed to configure different test modes. The TMCR can also be used to adjust the gain and offset for the ADC1213D080W2-DB.

Conclusion

The ADC1213D080W2-DB is a high-speed, low-power, single-end, parallel output CMOS analog-to-digital converter specifically designed for use in a variety of applications. It has a wide range of features that make it suitable for automotive, medical, consumer electronics, industrial, and communications applications. Additionally, the device’s integrated voltage reference and DAC allow for easy testing and adjustment of the ADC1213D080W2-DB.

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