LTC2487IDE#PBF - Precision ADC with Easy Drive Input Current Cancellation

The LTC2487IDE#PBF is a sophisticated 16-bit analog-to-digital converter (ADC) from Linear Technology, which offers an exceptional combination of accuracy, versatility, and ease of use. Designed for high-precision measurements, this ADC features an integrated Easy Drive technology that significantly reduces the input current, allowing direct sensor interfacing without the need for external buffer amplifiers.

With its 16-bit no missing codes performance and a 5ppm INL, the LTC2487IDE#PBF provides reliable and precise conversions for a wide range of applications, including industrial process control, instrumentation, medical devices, and automotive systems. The device operates over a supply voltage range of 2.7V to 5.5V, making it suitable for both portable and fixed power supply designs.

One of the key features of the LTC2487IDE#PBF is its Easy Drive technology, which cancels the input current on the analog inputs, reducing the stress on the sensor and eliminating the need for an external buffer. This feature, combined with the automatic offset and gain calibration, ensures a highly stable performance over temperature and time.

The LTC2487IDE#PBF also offers a versatile I2C interface for easy communication with microcontrollers and digital systems. It supports high-speed I2C modes, allowing for faster data transfer and efficient system integration. The ADC's internal oscillator eliminates the need for an external clock, simplifying the design and reducing component count.

For enhanced flexibility, the LTC2487IDE#PBF includes a configurable digital filter that provides simultaneous 50Hz and 60Hz rejection at a 6.25Hz output rate, which is ideal for rejecting line-frequency noise in industrial environments. Additionally, the device features a wide input common-mode range that includes ground, making it compatible with a variety of signal sources.

Encased in a compact 12-lead DFN package, the LTC2487IDE#PBF is designed for space-constrained applications without compromising on performance. Its robust design ensures reliable operation in harsh environments, with a specified temperature range from -40°C to 85°C.

Overall, the LTC2487IDE#PBF from Linear Technology is a high-performance ADC that offers an optimal solution for designers seeking precision measurement capabilities with minimal design complexity.