LTC1850CFW#PBF

Analog To Digital Converters (ADC) Overview

The LTC1850CFW#PBF is an 8-channel, 10-bit, 1.25Msps sampling analog-to-digital converter in a 48-lead TSSOP package. It integrates a flexible multiplexer, successive approximation ADC with sample-and-hold, and an internal 2.5V reference. The device supports single-ended or differential inputs, two gain ranges, and unipolar/bipolar operation. It features a programmable sequencer for up to 16 channel configurations and parallel output including the MUX address. Typical power consumption is 40mW at 1.25Msps from a single 5V supply.

Analog To Digital Converters (ADC) Feature Summary

• 8-Channel Multiplexer with Single-Ended/Differential Input Support
• 1.25Msps Sampling Rate with Internal 2.5V Reference
• Programmable Sequencer for Up to 16 Channel Configurations
• Parallel Output Interface Compatible with 3V Logic

Analog To Digital Converters (ADC) Applications

• High Speed Data Acquisition
• Test and Measurement Systems
• Industrial Process Control

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence as per Analog Devices standards. Confirm the CFW variant corresponds to the commercial temperature range (0°C to 70°C) and the 48-lead TSSOP package. Ensure the source documentation explicitly lists this part number to avoid confusion with the pin-compatible LTC1851.

Analog To Digital Converters (ADC) Selection Notes

Select the LTC1850CFW#PBF when 10-bit resolution is sufficient for applications requiring 8 channels sampled at up to 1.25Msps. Choose this part over the LTC1851 if higher precision is not required, as it offers identical pinouts and functionality with lower bit depth. Verify that the parallel interface and 5V supply requirements align with the system design.

Analog To Digital Converters (ADC) Part Context

This component belongs to the LTC1850/LTC1851 family of complete data acquisition systems. The LTC1850 provides 10-bit resolution, while the LTC1851 offers 12-bit resolution. Both share the same 48-lead TSSOP footprint and functional block diagram, differing primarily in conversion accuracy and output word length.

Analog To Digital Converters (ADC) Replacement Considerations

The LTC1851CFW#PBF is a pin-compatible replacement offering 12-bit resolution instead of 10-bit. No other direct substitutes are documented in the provided datasheet.