LTC2220CUP-1#TRPBF

Analog To Digital Converters (ADC) Overview

The LTC2220CUP-1#TRPBF is a 12-bit, 185Msps pipelined analog-to-digital converter (ADC) manufactured by Analog Devices Inc. It operates on a single 3.3V supply with a typical power dissipation of 910mW in CMOS mode. The device features an ultralow jitter of 0.15ps RMS and supports differential or single-ended analog inputs. Digital outputs are configurable as full-rate CMOS, demultiplexed CMOS, or LVDS. Key performance metrics include a Signal-to-Noise Ratio (SNR) of 67.5dB and a Spurious Free Dynamic Range (SFDR) of 80dB at input frequencies up to 170MHz.

Analog To Digital Converters (ADC) Feature Summary

• 185Msps sampling rate with 12-bit resolution and no missing codes
• Low jitter of 0.15ps RMS enabling undersampling of IF frequencies
• Configurable digital outputs: LVDS, full-rate CMOS, or demultiplexed CMOS
• Selectable analog input ranges via SENSE pin: -0.5V or -1V

Analog To Digital Converters (ADC) Applications

• Wireless and wired broadband communication systems
• Cable head-end systems
• Power amplifier linearization
• Communications test equipment

Analog To Digital Converters (ADC) Procurement Notes

Verify the #TRPBF suffix indicates a lead-free tape and reel packaging format. Confirm the 'C' grade designation corresponds to the commercial operating temperature range of 0°C to 70°C. Ensure the QFN-64 package dimensions match the PCB footprint requirements.

Analog To Digital Converters (ADC) Selection Notes

Select this component for high-speed applications requiring low aperture delay jitter. Choose between CMOS and LVDS output modes based on interface voltage levels and noise immunity requirements. Verify that the required input frequency does not exceed the Nyquist limit for the desired dynamic performance specifications.

Analog To Digital Converters (ADC) Part Context

This part belongs to the LTC2220-1 family, which includes pin-compatible variants such as the LTC2220 (185Msps), LTC2230 (10-bit), LTC2221 (135Msps), and LTC2231 (10-bit). The specific model provides 12-bit resolution optimized for wide dynamic range signal digitization.

Analog To Digital Converters (ADC) Replacement Considerations

Pin-compatible alternatives within the same family include the LTC2220CUP-1 (standard version) and LTC2221CUP-1 (135Msps). Substituting with lower speed variants may reduce power consumption but will limit maximum sampling rates.

Analog To Digital Converters (ADC) FAQ

What is the pipeline latency of the LTC2220-1?

The pipeline latency is 5 cycles for all output modes, including full-rate CMOS, demultiplexed CMOS, and LVDS.

How is the analog input range selected?

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

Can the ADC operate with single-ended analog inputs?

Yes, the analog inputs can be driven single-ended, although differential drive is recommended for optimal AC performance and harmonic distortion characteristics.