LTC2173CUKG-12#TRPBF

Analog To Digital Converters (ADC) Overview

The LTC2173CUKG-12#TRPBF is a 4-channel, simultaneous sampling 12-bit analog-to-digital converter (ADC) operating at up to 80Msps. It features a pipeline architecture with serial LVDS outputs and an internal reference. Key electrical specifications include a typical Signal-to-Noise Ratio (SNR) of 70.6dB, Spurious Free Dynamic Range (SFDR) of 88dB, and ±0.3LSB Integral Nonlinearity (INL). The device operates on a single 1.8V supply, dissipating approximately 369mW total power in 2-lane mode. It is housed in a 52-lead QFN package.

Analog To Digital Converters (ADC) Feature Summary

• Four-channel simultaneous sampling with 12-bit resolution
• Serial LVDS data outputs supporting 1 or 2 bits per channel
• Internal voltage reference with selectable input ranges (1VP-P to 2VP-P)
• Integrated shutdown and nap modes for power reduction

Analog To Digital Converters (ADC) Applications

• Communications systems
• Cellular base stations
• Software Defined Radios
• Portable medical imaging
• Multichannel data acquisition

Analog To Digital Converters (ADC) Procurement Notes

Verify the ordering suffix #TRPBF indicates tape and reel packaging when sourcing this component. Confirm the 'C' grade designation corresponds to the commercial temperature range of 0°C to 70°C. Ensure the specific speed grade matches the required 80Msps sampling rate for the application design.

Analog To Digital Converters (ADC) Selection Notes

Select this model over the LTC2175 or LTC2174 variants if the system requires a maximum sampling frequency of 80Msps rather than 125Msps or 105Msps. The CU suffix denotes the commercial temperature range; use the IU suffix for industrial applications requiring -40°C to 85°C operation. Verify that the 12-bit resolution meets the dynamic range requirements compared to the 14-bit versions in the same family.

Analog To Digital Converters (ADC) Part Context

This component belongs to the LTC2173-12 series, which shares pin compatibility with the higher-speed LTC2175-12 and LTC2174-12 devices. The part number identifies the specific speed bin (80Msps), commercial temperature grade, QFN package type, and tape and reel shipping configuration within the Analog Devices portfolio.

Analog To Digital Converters (ADC) Replacement Considerations

The LTC2173IUKG-12#TRPBF serves as a direct functional replacement for industrial temperature range requirements (-40°C to 85°C). Other speed grades such as the LTC2174-12 or LTC2175-12 are pin-compatible but offer higher sampling rates.