LTC2378IMS-20#PBF - 20-Bit, 1Msps SAR ADC

The LTC2378IMS-20#PBF is a high-performance, 20-bit, 1Msps, successive approximation register (SAR) analog-to-digital converter (ADC) from Linear Technology, a brand of Analog Devices. This precision ADC is designed to deliver a combination of high accuracy, low noise, and fast throughput, making it an ideal solution for a wide range of applications, including medical imaging, high-speed data acquisition, and industrial automation.

Key Features

• 20-bit resolution with no missing codes
• Sample rate of up to 1Msps
• Low noise performance: 0.5ppm RMS
• INL (Integral Non-Linearity): ±2ppm (max)
• Flexible input range: ±VREF
• Power dissipation: 21mW at 1Msps
• Low power shutdown mode: 2.5µW
• Digital SPI-compatible serial interface
• Internal conversion clock
• 64-lead MSOP package

Performance and Design

The LTC2378IMS-20#PBF is designed to maintain high accuracy and stability, even under varying conditions. Its 20-bit resolution ensures fine detail in measurement, while the 1Msps sample rate allows for monitoring of fast signals. The ADC operates with a very low total harmonic distortion (THD), making it suitable for high-fidelity applications. The flexible input range, coupled with the ability to interface with a variety of reference voltages, provides designers with versatility in system design.

Energy Efficiency

One of the standout features of the LTC2378IMS-20#PBF is its energy efficiency. With a low power consumption of 21mW at the full 1Msps rate, it is well-suited for battery-powered devices and other applications where power efficiency is crucial. The low power shutdown mode further conserves energy when the ADC is not in active use.

Applications

This ADC is a robust choice for applications that require high precision and fast data acquisition such as:

• Automated Test Equipment (ATE)
• Medical Imaging Systems
• High-Speed Data Acquisition Systems
• Instrumentation and Control Systems
• Seismic Data Acquisition

Overall, the LTC2378IMS-20#PBF from Linear Technology represents a blend of performance, efficiency, and reliability, making it a top choice for engineers and designers looking for a high-quality ADC solution.