LTC2153IUJ-14

Analog To Digital Converters (ADC) Overview

The LTC2153IUJ-14 is a 12-bit, 310Msps analog-to-digital converter (ADC) designed for high-frequency signal digitization. It operates on a single 1.8V supply with a total power dissipation of 378mW. The device features a 1.25GHz full-power bandwidth sample-and-hold and a 1.32VP-P differential input range. Key performance metrics include a typical Signal-to-Noise Ratio (SNR) of 67.6dBFS at 70MHz input and an Spurious Free Dynamic Range (SFDR) of 88dB. It utilizes Double Data Rate (DDR) LVDS outputs and includes an internal reference, optional clock duty cycle stabilizer, and low power sleep/nap modes.

Analog To Digital Converters (ADC) Feature Summary

• 12-bit resolution with 310Msps sampling rate
• 67.6dBFS SNR and 88dB SFDR at 70MHz input
• Single 1.8V supply operation with 378mW power consumption
• DDR LVDS digital outputs with programmable current levels

Analog To Digital Converters (ADC) Applications

• Cellular base stations
• Software defined radios
• Medical imaging systems
• High definition video processing
• Testing and measurement instruments

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix against official documentation to confirm temperature grade and packaging. The 'I' designation indicates an industrial temperature range of -40°C to 85°C. Confirm whether the '#PBF' suffix denotes lead-free tape and reel or tube packaging, as this affects handling and storage requirements. Ensure compatibility with the required operating voltage and interface standards before procurement.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 12-bit resolution at 310Msps is required with low power constraints. The 1.25GHz input bandwidth supports undersampling applications. Consider the DDR LVDS output interface for FPGA connectivity. Evaluate the need for the internal clock duty cycle stabilizer if the source clock duty cycle varies outside the 45% to 55% range without external conditioning.

Analog To Digital Converters (ADC) Part Context

This part belongs to the LTC2153 family of high-speed ADCs from Analog Devices. It is pin-compatible with other 12-bit versions in the series, such as the LTC2153-12. The device shares the same 40-lead QFN package and functional block architecture, allowing for design flexibility across different resolution or speed variants within the same product line.

Analog To Digital Converters (ADC) Replacement Considerations

Direct pin-compatible replacements within the same family include the LTC2153-12. Verify that the substitute part meets the specific sampling rate and resolution requirements of the application. Check for any differences in power consumption or interface timing characteristics between the original and replacement parts.