ADC32RF83IRRHR

Analog To Digital Converters (ADC) Overview

The ADC32RF83IRRHR is a dual-channel, 14-bit analog-to-digital converter operating at 3 GSPS. It features an RF input supporting frequencies up to 4.0 GHz and includes on-chip digital down-converters with up to four DDCs in dual-band mode. The device provides a noise floor of –155 dBFS/Hz and channel isolation of 95 dB at 1.8 GHz. It utilizes a JESD204B interface with four lanes per channel at data rates up to 12.5 Gbps. Power dissipation is 3.2 W per channel at the maximum sampling rate. The component is housed in a 72-pin VQFN package measuring 10 mm by 10 mm.

Analog To Digital Converters (ADC) Feature Summary

• Dual-channel architecture with integrated digital down-converters for frequency translation
• High-speed serial output via JESD204B interface supporting deterministic latency
• On-chip power detectors and alarm pins designed to support automatic gain control algorithms
• Integrated input termination and overvoltage protection clamp

Analog To Digital Converters (ADC) Applications

• Multi-carrier GSM cellular infrastructure base stations
• Telecommunications receivers
• DPD observation receivers
• Backhaul receivers
• RF repeaters and distributed antenna systems

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix against the manufacturer's current orderable addendum to confirm package type and temperature range compatibility. Ensure that the supply voltage sequencing requirements are met during system initialization to prevent operational faults. Confirm that the thermal management design accommodates the specified junction-to-ambient resistance values for the selected package variant.

Analog To Digital Converters (ADC) Selection Notes

Select this component when high dynamic range and low noise spectral density are required for direct RF sampling applications. Evaluate the available digital down-converter configurations to determine if the internal NCO resources meet the phase-coherent frequency hopping requirements. Consider the power dissipation characteristics relative to the available cooling solutions and board space constraints within the target enclosure.

Analog To Digital Converters (ADC) Part Context

This device belongs to the ADC32RF8x family, which also includes the ADC32RF80. Both models share identical electrical specifications and functional block diagrams. The distinction between the part numbers typically lies in the package body size or manufacturing lot variations rather than performance differences. Designers should consult the specific datasheet revision history for any pinout or register map updates.

Analog To Digital Converters (ADC) Replacement Considerations

The ADC32RF80 serves as the primary functional equivalent within the same product family. Verify that the physical footprint and pin assignments match the existing PCB layout before substitution. Review the latest datasheet revisions to ensure compatibility with existing firmware registers and timing requirements.

Analog To Digital Converters (ADC) FAQ

What is the maximum input clock frequency supported by the ADC32RF83?

The device supports an input clock frequency ranging from 1.5 GSPS to 3 GSPS.

How many independent numerically-controlled oscillators are available per DDC?

Each Digital Down-Converter (DDC) can be configured with up to three independent 16-bit numerically-controlled oscillators.

What is the typical channel isolation at an input frequency of 1.8 GHz?

The channel isolation between Channel A and Channel B is typically 95 dB at an input frequency of 1.8 GHz.