LTC2265IUJ-14

Analog To Digital Converters (ADC) Overview

The LTC2265IUJ-14 is a dual-channel, simultaneous sampling analog-to-digital converter (ADC) operating at 65Msps with 14-bit resolution. It features a single 1.8V supply and delivers 71dB SNR and 90dB SFDR. The device utilizes serial LVDS outputs in 1-lane or 2-lane modes to minimize data lines. Key specifications include ±0.3LSB typical INL, ±0.1LSB typical DNL, and an ultralow jitter of 0.15ps RMS. Power dissipation ranges from 167mW to 94mW depending on the mode. It includes shutdown and nap modes for power reduction.

Analog To Digital Converters (ADC) Feature Summary

• Dual-channel simultaneous sampling ADC with 14-bit resolution and 65Msps speed
• Low power consumption: 167mW total (83mW per channel) in standard operation
• Serial LVDS digital outputs with selectable 1-lane or 2-lane serialization
• Ultralow sample-and-hold jitter of 0.15ps RMS for high-frequency undersampling

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 specific suffix '#PBF' indicates lead-free finish and tube packaging. Confirm the 'I' grade specifies the -40°C to 85°C industrial temperature range. Ensure the part number matches the 14-bit specification, as the datasheet primarily details the 12-bit variants (LTC2265-12). Check for pin compatibility if substituting with other members of the LTC2265 family.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications requiring dual-channel synchronization at 65Msps with low power constraints. The 14-bit resolution offers higher dynamic range than the 12-bit versions. Consider the 1-lane vs. 2-lane output configuration based on available interface bandwidth. Verify that the 800MHz full-power bandwidth meets the input signal requirements.

Analog To Digital Converters (ADC) Part Context

This part belongs to the LTC2265 family of low-power dual ADCs. It shares pinout compatibility with the LTC2264-12 (40Msps) and LTC2263-12 (25Msps) variants. The 'IUJ-14' designation identifies it as the industrial temperature grade, QFN package, 14-bit resolution version. It is designed to digitize high-frequency, wide dynamic range signals efficiently.

Analog To Digital Converters (ADC) Replacement Considerations

Pin-compatible alternatives within the same series include the LTC2265IUJ-12#PBF (12-bit, 65Msps), LTC2264IUJ-12#PBF (12-bit, 40Msps), and LTC2263IUJ-12#PBF (12-bit, 25Msps). These parts share the same package and pinout but differ in resolution and maximum sampling rate.