ADC32RF55IRTD

Analog To Digital Converters (ADC) Overview

The ADC32RF55IRTD is a dual-channel, 14-bit RF sampling analog-to-digital converter (ADC) manufactured by Texas Instruments. It operates at a maximum sampling rate of 3.0 GSPS with an input frequency range up to 3 GHz. The device features a single-core non-interleaved architecture and supports JESD204B serial data interfaces with lane rates up to 13 Gbps. Key performance metrics include a noise spectral density of -155.6 dBFS/Hz without averaging, improving to -160.4 dBFS/Hz with 4x averaging. It incorporates four digital down-converters per channel with 48-bit NCOs for phase-coherent frequency hopping in under 1 µs. Power consumption reaches 7.1 W per channel with 4x averaging enabled.

Analog To Digital Converters (ADC) Feature Summary

• Single-core non-interleaved architecture minimizes interleave spurs and aperture jitter.
• Integrated quad-band digital down-converters support complex output decimation from 4x to 128x.
• Fast phase-coherent frequency hopping capability via GPIO-controlled NCOs.
• JESD204B interface supports subclass 1 deterministic latency for system synchronization.

Analog To Digital Converters (ADC) Applications

• Phased array radar systems
• High-performance spectrum analyzers
• Software defined radio (SDR)
• Electronic warfare applications
• High-speed digitizers

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix 'RTDG4' against the manufacturer's current package option addendum to confirm the VQFN-64 tray packaging configuration. Ensure that the RoHS-compliant status aligns with regional regulatory requirements prior to final procurement authorization.

Analog To Digital Converters (ADC) Selection Notes

Select the ADC32RF55 over the ADC32RF54 when the design requires a sampling rate exceeding 2.6 GSPS. Evaluate power dissipation requirements carefully, as thermal management becomes critical at higher clock frequencies and averaging modes. Confirm that the host FPGA or processor supports the necessary JESD204B lane rates for the desired data throughput.

Analog To Digital Converters (ADC) Part Context

This component belongs to the ADC32RF5x family, which includes the ADC32RF54 variant operating at 2.6 GSPS. Both devices share identical architectural features, including the 14-bit resolution and digital down-converter capabilities, differing primarily in their maximum sampling clock specifications.

Analog To Digital Converters (ADC) Replacement Considerations

The ADC32RF54 serves as a lower-speed alternative within the same family. Verify pin compatibility and register mapping before substitution, noting that the ADC32RF55 supports higher clock frequencies up to 3.0 GSPS compared to the ADC32RF54's 2.6 GSPS limit.