LTC2450CDC#TRMPBF

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Data acquisition involves the conversion of a real-world or physical variable into a digital representation that can be stored, displayed, then interpreted through analysis. Analog-to-digital converters (ADCs) are used to measure the physical world and convert these analog signals into digital data. The LTC2450CDC#TRMPBF is a high performance, 24-bit delta-sigma ADC with integrated PGA, reference and I²C-compatible serial interface. This device solves a wide range of problems, from DC accuracy and low offset, to high common-mode voltage, low-cost conversion, to resolving thermocouple measurements. In this article, we\'ll take a closer look at the application fields of the LTC2450CDC#TRMPBF and discuss its working principles.

Application Field of the LTC2450CDC#TRMPBF

The LTC2450CDC#TRMPBF is a precision, 24-bit delta-sigma ADC with an integrated PGA, reference and I²C-compatible serial interface. The device features an internal PGA with up to a Gain of 32, and an internal reference of 2.5V. The device is available in a QFN-24 (3x3mm) package and a SSOP-24 package. The device is designed for almost any application, including precise measurement of multiple transducer types, such as temperature, pressure, strain, flow, weight and light. Applications include:

• Industrial Instrumentation
• Medical Devices
• Resonant Sensors
• Smart Sensors
• Automotive Electronics
• Battery Management Systems
• Intelligent Building Systems

Working Principle of the LTC2450CDC#TRMPBF

The LTC2450CDC#TRMPBF is a high performance, 24-bit delta-sigma ADC with integrated PGA, reference and I²C-compatible serial interface. When powered, the device performs an Initialization sequence and starts converting input signals into a 24-bit digital code.

The LTC2450CDC#TRMPBF uses a two-stage architecture to achieve its ultra-high performance. The first stage is a low-noise, low-offset, high-speed tracking modulator. This modulator uses sigma-delta architecture and clock feed forward techniques to achieve low-noise and low-offset performance. The second stage is a track and hold amplifier which is low-power and low-offset with good linearity. This stage holds the signal prior to conversion and prevents any post-digital conversion errors.

The LTC2450CDC#TRMPBF also has an on-chip reference of 2.5V, which ensures accuracy and stability. This reference is used in combination with a programmable gain amplifier, which enables the device to resolve the lowest possible input signals. An internal over-temperature sensor also helps to ensure accuracy at all temperatures.

The device features an I²C-compatible serial interface which allows communication with a microcontroller or other devices. This interface can also be used to monitor and control the status of the device, as well as to read and write data to the internal registers.

Conclusion

The LTC2450CDC#TRMPBF is a high performance, 24-bit delta-sigma ADC with integrated PGA, reference and I²C-compatible serial interface. The device is designed for a wide range of applications, from DC accuracy and low offset to high common-mode voltage and low-cost conversion. It also has an integrated temperature sensor for improved accuracy. The device uses a two-stage architecture to achieve its ultra-high performance and features an I²C-compatible serial interface for communication with a microcontroller or other devices.

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