LTC2222IUK-11#TRPBF

Analog To Digital Converters (ADC) Overview

The LTC2222IUK-11#TRPBF is an 11-bit, 105Msps analog-to-digital converter (ADC) from Analog Devices. It features a single 3.3V supply and low power dissipation of 475mW. The device offers a signal-to-noise ratio (SNR) of 65.4dB up to 140MHz input frequency and a spurious-free dynamic range (SFDR) of 80dB up to 150MHz. It includes selectable input ranges of ±0.5V or ±1V, CMOS outputs, and an optional clock duty cycle stabilizer. The component operates within the industrial temperature range of -40°C to 85°C and is housed in a 48-pin 7mm × 7mm QFN package.

Analog To Digital Converters (ADC) Feature Summary

• 11-Bit Resolution with No Missing Codes
• 105Msps Sampling Rate with 65.4dB SNR at 140MHz
• Selectable Input Ranges: ±0.5V or ±1V
• Single 3.3V Supply with 475mW Power Dissipation

Analog To Digital Converters (ADC) Applications

• Wireless and Wired Broadband Communication
• Cable Head-End Systems
• Power Amplifier Linearization
• Communications Test Equipment

Analog To Digital Converters (ADC) Procurement Notes

Verify the #TRPBF suffix indicates Lead Free Tape and Reel packaging. Confirm the 'I' grade designation for the -40°C to 85°C operating temperature range. Ensure compatibility with the 48-pin QFN footprint and exposed pad soldering requirements.

Analog To Digital Converters (ADC) Selection Notes

Select this model for high-speed applications requiring 11-bit resolution at 105Msps. Choose between ±0.5V or ±1V input ranges based on the SENSE pin configuration. Consider the 0.15ps RMS jitter specification for undersampling IF frequencies. Verify that the system can accommodate the 475mW power dissipation.

Analog To Digital Converters (ADC) Part Context

This part belongs to the LTC2222-11 family, which includes 105Msps variants. It is pin-compatible with the 12-bit LTC2222 and 10-bit LTC2232 at the same speed, as well as the 80Msps LTC2223 and LTC2233. The family shares the same 48-pin QFN package and functional architecture.

Analog To Digital Converters (ADC) Replacement Considerations

LTC2222CUK-11#TRPBF (Commercial Grade, 0°C to 70°C)

Analog To Digital Converters (ADC) FAQ

How is the input range selected?

The input range is selected via the SENSE pin. Connecting SENSE to VCM selects the ±0.5V range, while connecting it to VDD selects the ±1V range.

What is the pipeline latency?

The LTC2222-11 has a pipeline latency of 5 cycles.

Can the ADC be driven single-ended?

Yes, the ADC can be driven single-ended for cost-sensitive applications, though harmonic distortion may degrade compared to differential drive.