LTC2487CDE#PBF

Analog To Digital Converters (ADC) Overview

The LTC2487CDE#PBF is a 16-bit, 4-channel (2 differential) delta-sigma ADC with Easy Drive technology and an I2C interface. It features programmable gain from 1 to 256, an integrated high-accuracy temperature sensor, and an internal oscillator. The device operates on a single supply voltage ranging from 2.7V to 5.5V, consuming 0.8mW at normal speed. It offers 600nV RMS noise, 2ppm INL, and no missing codes. The component supports 50Hz, 60Hz, or simultaneous 50Hz/60Hz rejection modes and provides a wide common mode input range from GND to VCC.

Analog To Digital Converters (ADC) Feature Summary

• Patented Easy Drive technology eliminates dynamic input current errors for direct digitization of high impedance sensors.
• No latency architecture ensures the first conversion after channel selection is valid without settling delay.
• Integrated auto-calibration continuously removes offset and drift associated with external amplifiers.
• Programmable gain amplifier allows signal conditioning from gain 1 to 256 in eight steps.

Analog To Digital Converters (ADC) Applications

• Direct sensor digitizer applications
• Instrumentation systems
• Industrial process control
• Data acquisition systems with temperature compensation

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix against the manufacturer's documentation to confirm package type and temperature grade. The #PBF designation indicates lead-free finish and RoHS compliance. Confirm availability through authorized distributors as stock levels fluctuate. Ensure the selected variant matches the required operating temperature range for the intended application environment.

Analog To Digital Converters (ADC) Selection Notes

Select this component when rail-to-rail input capability and high source impedance are required without external buffering. Choose the CDE variant for commercial temperature ranges (0°C to 70°C). Consider the IDE variant if industrial temperature specifications (-40°C to 85°C) are necessary. Verify that the I2C address configuration via CA0 and CA1 pins meets system addressing requirements.

Analog To Digital Converters (ADC) Part Context

This part belongs to the LTC2487 family of precision analog-to-digital converters. It shares architectural similarities with the LTC2488 but includes an integrated programmable gain amplifier and I2C interface. The DFN package provides a compact footprint suitable for space-constrained designs requiring multi-channel precision measurement capabilities.

Analog To Digital Converters (ADC) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Analog Devices marketing for parts specified with wider operating temperature ranges or alternative packaging options.