LTC2481CDD#PBF - 16-Bit ΔΣ ADC with Easy Drive Input Current Cancellation and I2C Interface

The LTC2481CDD#PBF is a highly sophisticated 16-bit analog-to-digital converter (ADC) from Linear Technology, designed to deliver exceptional performance with a focus on ease-of-use and flexibility. It is a part of Linear Technology's wide range of high-performance ADCs, suitable for a variety of demanding applications including industrial, automotive, and medical systems.

This innovative ADC features an integrated precision delta-sigma (ΔΣ) modulator and an oscillator which combine to provide a complete conversion solution with no external components required for most applications. The LTC2481CDD#PBF offers an Easy Drive technology that significantly reduces the input current, allowing direct sensor digitization without the need for buffering, thus simplifying the design and reducing system cost and complexity.

One of the key characteristics of this product is its I2C interface, which allows for simple two-wire communication with microcontrollers and processors. This interface supports a wide range of I2C speeds, enabling flexibility in system design and ensuring compatibility with most I2C buses. The device's address can be configured through one of its pins, allowing multiple devices to share the same I2C bus without conflict.

The LTC2481CDD#PBF operates from a single 2.7V to 5.5V supply, making it suitable for both 3V and 5V systems. It also features an internal oscillator, eliminating the need for an external clock source. The ADC provides a high level of accuracy and stability, with a typical INL (Integral Non-Linearity) of ±2ppm FS and no missing codes at 16 bits.

Its compact DFN package (3mm x 3mm) is designed for space-constrained applications. The LTC2481CDD#PBF also offers a temperature sensor that can measure the die temperature with no additional hardware, which is useful for system diagnostics and compensation.

Overall, the LTC2481CDD#PBF from Linear Technology is an excellent choice for designers looking for a high-performance, easy-to-use ADC with advanced features like Easy Drive and an I2C interface. Its robust design and precision make it a versatile component for a wide range of precision measurement applications.