LTC2380IMS-24#PBF

Analog To Digital Converters (ADC) Overview

The LTC2380IMS-24#PBF is a 24-bit, low-power successive approximation register (SAR) analog-to-digital converter manufactured by Analog Devices. It operates from a single 2.5V supply and features fully differential inputs with a range of ±VREF (2.5V to 5.1V). The device integrates a digital averaging filter capable of processing 1 to 65,536 conversion results in real-time, enhancing dynamic range from 101dB at 1.5Msps to 145dB at 30.5sps. Key electrical specifications include a maximum power dissipation of 28mW at 2Msps, ±3.5ppm integral nonlinearity (INL), and guaranteed 24-bit resolution without missing codes. It utilizes an SPI-compatible serial interface supporting 1.8V to 5V logic levels.

Analog To Digital Converters (ADC) Feature Summary

• Integrated Digital Filter: Real-time averaging of 1 to 65,536 samples improves dynamic range up to 145dB without separate configuration registers.
• High Precision: Guaranteed 24-bit no-missing-codes performance with typical INL of ±0.5ppm and THD of -117dB at fIN = 2kHz.
• Low Power Consumption: Operates on a single 2.5V supply with 28mW power dissipation at 2Msps; automatically powers down between conversions.
• Flexible Interface: SPI-compatible serial I/O supports 1.8V, 2.5V, 3.3V, and 5V logic with daisy-chain mode capability.

Analog To Digital Converters (ADC) Applications

• Seismology
• Energy Exploration
• Medical Imaging
• High Speed Data Acquisition
• Industrial Process Control

Analog To Digital Converters (ADC) Procurement Notes

Verify the ordering suffix #PBF indicates lead-free finish and tube packaging for this specific MSOP variant. Confirm the IMS suffix corresponds to the industrial temperature range (-40°C to 85°C). Ensure compatibility with the 16-lead MSOP package dimensions during PCB layout. Cross-reference the manufacturer's latest documentation for any updates to absolute maximum ratings or recommended operating conditions.

Analog To Digital Converters (ADC) Selection Notes

Select this component when high-resolution 24-bit data acquisition is required with minimal latency. The integrated digital filter simplifies system design by removing the need for external decimation filters. Ensure the reference voltage source can provide sufficient current (approx. 2mA) as specified in the electrical characteristics. Consider the input capacitance of 45pF during sample mode when designing the analog front-end buffer circuitry.

Analog To Digital Converters (ADC) Part Context

This part belongs to the LTC2380 family of SAR ADCs, which includes variants with different resolutions and input types. The IMS-24 specifically denotes the 24-bit resolution version in the 16-lead MSOP package with industrial temperature grading. Other family members include the LTC2380-16 and pseudo-differential variants like the LTC2368 series. The device represents a convergence of high speed (up to 2Msps) and high precision in a low-power architecture.

Analog To Digital Converters (ADC) Replacement Considerations

Direct pin-compatible replacements within the same package are limited due to specific resolution and feature combinations. Verify if the LTC2380CMS-24#PBF meets requirements if industrial temperature range is not critical. For applications requiring pseudo-differential inputs, consider the LTC2368 series, though pinouts and functionality differ. Always validate electrical parameters against the new component's datasheet before substitution.