MAX1121EGK

Analog To Digital Converters (ADC) Overview

The MAX1121EGK is a monolithic, high-speed analog-to-digital converter (ADC) manufactured by Analog Devices Inc./Maxim Integrated. It features a 12-bit resolution and supports conversion rates up to 170Msps. The device is optimized for broadband applications, operating with a single 1.8V supply while consuming approximately 788mW of power at maximum sampling speed. Key internal components include an on-chip track-and-hold amplifier and an internal 1.23V bandgap reference. Digital outputs are provided in LVDS format with a data clock output.

Analog To Digital Converters (ADC) Feature Summary

• 12-bit resolution with 170Msps conversion rate
• Low noise floor of -68dBFS
• Single 1.8V supply operation
• LVDS digital outputs with data clock

Analog To Digital Converters (ADC) Applications

• Base-station power-amplifier linearization
• Cable head-end receivers
• Wireless and wired broadband communication systems
• Communications test equipment
• Radar and satellite subsystems

Analog To Digital Converters (ADC) Part Context

The MAX1121 belongs to the Maxim Integrated family of high-speed ADCs designed for demanding RF and IF applications. The EGK suffix typically denotes a specific package variant, often associated with small outline packages suitable for surface mount assembly. This component represents the transition period where Maxim Integrated products were distributed under their own brand before full integration into Analog Devices.

Analog To Digital Converters (ADC) Replacement Considerations

Direct replacements should maintain 12-bit resolution and speeds exceeding 100Msps. Candidates must support LVDS outputs and 1.8V operation. Verify pin compatibility if substituting within the same package type. Cross-reference with newer Maxim/ADI high-speed ADC portfolios for updated availability.