LTC2285CUP

Analog To Digital Converters (ADC) Overview

The LTC2285CUP is a dual-channel, 14-bit, 125Msps analog-to-digital converter (ADC) designed for low power operation on a single 3V supply. It features a pipeline architecture with a full power bandwidth of 640MHz and typical AC performance including 72.2dB SNR and 82dB SFDR at the Nyquist frequency. The device supports flexible input ranges from 1Vpp to 2Vpp and includes an integrated clock duty cycle stabilizer. Operating within a commercial temperature range of 0°C to 70°C, it utilizes a 64-lead 9mm x 9mm QFN package.

Analog To Digital Converters (ADC) Feature Summary

• Dual 14-bit ADC cores operating at 125Msps
• Low power consumption of 790mW at full speed
• Integrated clock duty cycle stabilizer for high performance
• Flexible analog input range: 1Vpp to 2Vpp

Analog To Digital Converters (ADC) Applications

• Wireless and wired broadband communication systems
• Imaging systems requiring wide dynamic range
• Spectral analysis equipment
• Portable instrumentation

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix '#PBF' indicates lead-free finish when sourcing. Confirm the 'C' grade designation matches the required 0°C to 70°C commercial operating temperature range. Ensure the 64-pin QFN package dimensions align with the PCB footprint design.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications requiring simultaneous dual-channel conversion at 125Msps with 14-bit resolution. Consider the 790mW power dissipation for thermal management in the 64-QFN package. Verify that the 3V analog supply and separate output supply voltage requirements fit the system power budget.

Analog To Digital Converters (ADC) Part Context

This part belongs to the LTC2285 family of dual high-speed ADCs. It is pin-compatible with other members such as the LTC2283 (12-bit), LTC2282 (12-bit), and LTC2284 (14-bit), allowing for flexibility in resolution and speed selection across the product line while maintaining board layout consistency.

Analog To Digital Converters (ADC) Replacement Considerations

Direct pin-compatible replacements include the LTC2284 (14-bit, 105Msps) and LTC2283 (12-bit, 125Msps). Verify that the reduced sampling rate or resolution of these alternatives meets the specific application requirements before substitution.