LTC2202IUK

Analog To Digital Converters (ADC) Overview

The LTC2202IUK is a 16-bit, 10Msps analog-to-digital converter (ADC) housed in a 48-lead, 7mm x 7mm plastic QFN package. It features a single-ended clock input and an optional internal dither for improved dynamic performance. The device operates on a single 3.3V supply with power dissipation of 140mW at the specified sampling rate. Key electrical specifications include a signal-to-noise ratio (SNR) of 79.4dBFS at 1MHz input with a 1.667VP-P range, and a spurious-free dynamic range (SFDR) of 100dBc. The part supports an output voltage swing from 0.5V to 3.6V via a separate digital supply.

Analog To Digital Converters (ADC) Feature Summary

• 16-bit resolution with 10Msps sampling speed
• Integrated PGA front end supporting 2.5VP-P or 1.667VP-P input ranges
• Optional internal dither and data output randomizer
• Clock duty cycle stabilizer for high-performance operation

Analog To Digital Converters (ADC) Applications

• Telecommunications
• Cellular Base Stations
• Spectrum Analysis
• Imaging Systems

Analog To Digital Converters (ADC) Procurement Notes

Verify the 'I' suffix indicates the industrial temperature range of –40°C to 85°C. Confirm the 'UK' suffix corresponds to the 48-lead QFN package. Ensure the ordering code includes the '#PBF' designation if lead-free compliance is required. Cross-reference the specific revision against the manufacturer's current documentation to confirm pinout compatibility.

Analog To Digital Converters (ADC) Selection Notes

Select the LTC2202 over the LTC2203 when a 10Msps sampling rate is sufficient, as it offers lower power consumption (140mW vs 220mW). Use the PGA setting to optimize the input range for the specific signal amplitude. Ensure the external reference matches the SENSE pin configuration for accurate full-scale conversion.

Analog To Digital Converters (ADC) Part Context

The LTC2202 is part of a pin-compatible family alongside the LTC2203. Both devices share the same 16-bit architecture and package but differ in maximum sampling rates. The IUK variant specifically denotes the industrial temperature grade within this product line.

Analog To Digital Converters (ADC) Replacement Considerations

The LTC2203 is a pin-compatible alternative offering higher speed up to 25Msps. Verify that the increased power dissipation and sampling requirements align with the system design before substituting.