LTC2439-1IGN - Precision 24-Bit ADC with Easy Drive Input Current Cancellation

The LTC2439-1IGN is a high-precision 24-bit Analog-to-Digital Converter (ADC) from Linear Technology, designed to provide a perfect blend of performance and ease of use for a wide range of data acquisition applications. This innovative product is notable for its Easy Drive technology, which significantly reduces the input current, making it easier to drive the ADC inputs without the need for buffering in many applications.

Encased in a 16-lead SSOP package, the LTC2439-1IGN offers a versatile ±2.5V input range and operates from a single 5V supply. It features an integrated oscillator, 2ppm INL and 0.6ppm RMS noise, which makes it an excellent choice for high-resolution measurement applications where precision is paramount.

The device supports a wide variety of configurations and includes a no latency delta-sigma (ΔΣ) architecture that ensures single-cycle settling time for multiplexed applications. This means that the LTC2439-1IGN can switch between input channels without any additional delay, which is particularly useful in systems that require fast channel-to-channel switching.

Communication with the LTC2439-1IGN is facilitated through a flexible, 3-wire digital interface that is compatible with SPI and MICROWIRE protocols, allowing for easy integration into a variety of microcontroller-based systems. The ADC also includes an internal oscillator, eliminating the need for external components and simplifying the design process.

One of the key features of the LTC2439-1IGN is its Easy Drive input current cancellation, which significantly reduces the input current on the analog inputs, minimizing the need for external buffer amplifiers. This feature not only simplifies the design and reduces system cost but also enhances performance by reducing system noise and power consumption.

Overall, the LTC2439-1IGN is a robust, high-accuracy ADC that is ideally suited for applications such as industrial process control, high-precision instrumentation, medical devices, and automated test equipment. Its combination of precision, ease of use, and integration features make it a valuable component for any precision data acquisition system.