LTC2480IDD#PBF

Analog To Digital Converters (ADC) Overview

The LTC2480IDD#PBF is a 16-bit delta-sigma analog-to-digital converter featuring Easy Drive technology for automatic differential input current cancellation. It supports a single supply voltage of 2.7V to 5.5V and operates within an extended temperature range of –40°C to 85°C. The device integrates a programmable gain amplifier with settings from 1 to 256, an internal oscillator running at 307.2kHz, and a 4-wire SPI interface. Key electrical specifications include 2ppm integral nonlinearity (INL), 1ppm offset error, and 15ppm full-scale error. It provides selectable line frequency rejection for 50Hz, 60Hz, or simultaneous 50Hz/60Hz applications.

Analog To Digital Converters (ADC) Feature Summary

• Easy Drive Technology eliminates dynamic input current errors, enabling direct digitization of high-impedance sensors with rail-to-rail inputs.
• Programmable gain ranges from 1 to 256 in 8 steps, allowing flexible signal conditioning.
• Integrated on-chip trimmed oscillator removes the need for external crystals.
• Selectable line frequency rejection modes for 50Hz, 60Hz, or simultaneous 50Hz/60Hz.

Analog To Digital Converters (ADC) Applications

• Direct sensor digitizer
• Weight scales
• Strain gauge transducers
• Industrial process control

Analog To Digital Converters (ADC) Procurement Notes

Verify the ordering suffix #PBF indicates lead-free finish and tube packaging. Confirm the IDD suffix corresponds to the –40°C to 85°C industrial temperature grade. Ensure the package matches the 10-lead DFN specification. Cross-reference the manufacturer part number with official Analog Devices documentation to confirm availability and compliance status.

Analog To Digital Converters (ADC) Selection Notes

Select this component when high DC accuracy is required for high-source-impedance signals without external buffering. Choose the IDD variant for industrial temperature environments requiring operation down to –40°C. Consider the 2x speed mode if higher data rates are needed, noting that gain is limited to 128 in this mode. Verify that the 16-bit resolution meets system requirements compared to higher-resolution alternatives like the LTC2484.

Analog To Digital Converters (ADC) Part Context

The LTC2480 belongs to the LTC248x family of No Latency delta-sigma ADCs. It shares the Easy Drive architecture with models such as the LTC2481, LTC2483, and LTC2484. Unlike the LTC2484 which offers 24-bit resolution, the LTC2480 provides 16-bit performance. It is distinct from the LTC2480CDD#TRMPBF listed in some distributor databases by its specific temperature grade and packaging configuration.

Analog To Digital Converters (ADC) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. For pin-compatible replacements within the same family, consider the LTC2480CDD#PBF for commercial temperature range or the LTC2480HDD#PBF for extended temperature range up to 125°C.