**LTC2449CUHF#TRPBF: A High-Performance 24-Bit Delta Sigma ADC for Precision Measurement Applications**

In the realm of precision electronics, the ability to accurately digitize analog signals is paramount. The **LTC2449CUHF#TRPBF** from Analog Devices stands as a pinnacle of high-resolution data conversion, engineered specifically for demanding measurement applications where utmost accuracy and stability are non-negotiable.

This integrated circuit is a **high-performance, 24-bit delta-sigma analog-to-digital converter (ADC)** that excels in converting low-voltage analog signals into precise digital values. Its core architecture utilizes a delta-sigma modulator combined with a sophisticated digital filter. This design is renowned for its inherent ability to deliver exceptionally high resolution while effectively suppressing noise, particularly the 50Hz/60Hz interference common in industrial environments. A key feature of the LTC2449 is its **patent-pending design that eliminates latency typically associated with delta-sigma ADCs**. It can provide a single-cycle, settled digital output after each conversion, making it not only precise but also remarkably fast for its resolution class, with speeds programmable up to 7.5Hz, 15Hz, 30Hz, 60Hz, or 120Hz.

The performance metrics of the LTC2449 are impressive. It offers **outstanding 24-bit resolution with no missing codes** and boasts an incredibly low noise floor of 300nV RMS at the lower speed settings. Its inherent linearity error is a mere 2ppm, ensuring that the digital output is a faithful representation of the analog input across the entire dynamic range. The device integrates a high-accuracy, low-drift internal oscillator, removing the need for an external crystal or clock circuit and simplifying design. Furthermore, it features a flexible differential input range that can be configured for unipolar (0V to VREF) or bipolar (±VREF) signals, with the reference voltage (VREF) being externally supplied to suit the specific application needs.

The applications for such a precise ADC are vast and critical. It is the ideal solution for:

* **High-resolution sensor interfaces**, including thermocouples, RTDs, and strain gauges.

* **Precision weigh scales and industrial process control systems.**

* **Medical instrumentation** where accurate patient data is vital.

* **Direct thermal couple measurement** due to its high resolution and rejection of common-mode noise.

* **Portable instrumentation and data acquisition systems** that require a combination of high accuracy and low power consumption.

Housed in a compact 5mm x 5mm QFN-32 package, the LTC2449CUHF#TRPBF provides this top-tier performance in a minimal footprint, making it suitable for space-constrained designs.

**ICGOOODFIND:** The LTC2449CUHF#TRPBF is a superior 24-bit delta-sigma ADC that sets a benchmark for precision measurement. Its unique combination of **no-latency operation, exceptional accuracy, low noise, and flexible programmability** makes it an indispensable component for engineers designing the next generation of high-accuracy test, measurement, and sensor systems.

**Keywords:** **24-Bit ADC**, **Delta-Sigma**, **Precision Measurement**, **No Latency**, **Low Noise**