**LTC1867LAIGN#PBF: A 16-Bit, 250ksps, Single-Channel SAR ADC with Internal Reference and High-Accuracy Performance**

The **LTC1867LAIGN#PBF** from Analog Devices represents a high-performance, single-channel 16-bit successive approximation register (SAR) analog-to-digital converter (ADC) designed for precision measurement applications. Combining high speed, exceptional accuracy, and integrated features, this ADC is engineered to simplify design while delivering reliable performance in demanding environments.

**Key Features and Performance**

At the core of the LTC1867 is a **16-bit SAR ADC capable of 250k samples per second (ksps)**, providing both high resolution and speed for capturing precise analog signals. The device incorporates a **high-accuracy internal reference**, which eliminates the need for an external reference component, reduces board space, and enhances overall system stability. The internal reference is trimmed to 2.5V with low temperature drift, ensuring consistent performance across varying operating conditions.

The ADC operates from a single 5V supply and features a unipolar input range of 0V to VREF, making it suitable for a wide array of industrial and instrumentation applications. It offers **excellent DC precision** with low integral nonlinearity (INL) and differential nonlinearity (DNL), typically within ±2.5 LSB, ensuring accurate digitization of analog signals without missing codes. Additionally, the device boasts low power consumption, typically drawing 7.5mW during normal operation, which makes it suitable for power-sensitive applications.

**Applications and Benefits**

The LTC1867 is ideal for systems requiring high-resolution data acquisition, such as industrial process control, medical instrumentation, automotive sensing, and precision test equipment. Its single-channel architecture is optimized for applications where multiple ADCs might be used per signal channel, ensuring dedicated high-fidelity conversion. The integrated reference further simplifies the design process, reduces component count, and minimizes calibration efforts, leading to lower overall system cost and improved reliability.

The device is offered in a compact 16-lead SSOP package, providing a robust solution for space-constrained PCB layouts. Its **high noise immunity** and ability to interface seamlessly with microcontrollers and DSPs through a standard SPI-compatible serial interface enhance its versatility in digital systems.

**ICGOO FIND**

The LTC1867LAIGN#PBF is a standout ADC solution that merges **high resolution, integrated reference, and robust performance** in a single package. It is an excellent choice for designers seeking to achieve precision analog-to-digital conversion with minimal external components and maximum reliability.

**Keywords**:

16-Bit ADC

SAR ADC

Internal Reference

High-Accuracy

250ksps