LTC2400CS8#PBF

Overview

The LTC2400CS8#PBF is a micropower, 24-bit delta-sigma analog-to-digital converter (ADC) manufactured by Analog Devices Inc. It operates on a single supply voltage ranging from 2.7V to 5.5V and features an integrated oscillator that eliminates the need for external frequency-setting components. The device provides a flexible 3-wire digital interface compatible with SPI and MICROWIRE protocols. Key electrical specifications include a maximum integral nonlinearity of 4ppm, 0.3ppm RMS noise, and a minimum normal mode rejection of 110dB at 50Hz or 60Hz. The input voltage range extends from -0.125 times VREF to 1.125 times VREF, accommodating overrange and underrange conditions.

Feature Summary

• 24-bit resolution with no missing codes and 4ppm INL
• Integrated internal oscillator with selectable 50Hz or 60Hz notch filtering
• Extended input range of -0.125•VREF to 1.125•VREF
• Low power consumption with automatic shutdown in sleep mode

Applications

• Weight Scales
• Direct Temperature Measurement
• Gas Analyzers
• Strain-Gage Transducers
• Instrumentation and Data Acquisition

Procurement Notes

Verify the package type is SO-8 (S8) and the temperature grade is C (0°C to 70°C). Confirm the ordering suffix #PBF indicates lead-free compliance. Ensure the specific lot matches the required manufacturing date code if traceability is critical for the application.

Selection Notes

Select this component when high precision is required without the latency associated with other delta-sigma converters. It is suitable for multiplexed applications due to its single conversion settling time. Ensure the reference voltage is within the 0.1V to VCC range and consider the extended input range benefits for sensors with offset errors.

Part Context

This part belongs to the LTC2400 family of No Latency Delta-Sigma ADCs. The CS8#PBF designation specifies the commercial temperature range and plastic SOIC-8 package. It is designed for low-frequency, high-resolution measurements where power efficiency and ease of integration are priorities.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.