ADC31RF80

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14-Bit, 3-GSPS, RF-Sampling Wideband Receiver and Feedback IC

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Product details

Parameters

Sample rate (Max) (MSPS) 3000 Resolution (Bits) 14 Number of input channels 1 Interface type JESD204B Analog input BW (MHz) 3200 Features Decimating Filter, Ultra High Speed Rating Catalog Input range (Vp-p) 1.35 Power consumption (Typ) (mW) 3200 Architecture Pipeline SNR (dB) 61.4 ENOB (Bits) 9.8 SFDR (dB) 71 Operating temperature range (C) -40 to 85 Input buffer Yes open-in-new Find other High-speed ADCs (>10MSPS)

Package | Pins | Size

VQFNP (RMP) 72 100 mm² 10 x 10 open-in-new Find other High-speed ADCs (>10MSPS)

Features

  • 14-Bit, 3-GSPS ADC
  • Noise Floor: –155 dBFS/Hz
  • RF Input Supports Up To 4.0 GHz
  • Aperture Jitter: 90 fS
  • Spectral Performance (fIN = 900 MHz, –2 dBFS):
    • SNR: 61.4 dBFS
    • SFDR: 71-dBc HD2, HD3
    • SFDR: 76-dBc Worst Spur
  • Spectral Performance (fIN = 1.85 GHz, –2 dBFS):
    • SNR: 58.5 dBFS
    • SFDR: 65-dBc HD2, HD3
    • SFDR: 75-dBc Worst Spur
  • On-Chip Digital Down-Converters:
    • Up to 2 DDCs (Dual-Band Mode)
    • Up to 3 Independent NCOs per DDC
  • On-Chip Input Clamp for Overvoltage Protection
  • Programmable On-Chip Power Detectors With Alarm Pins for AGC Support
  • On-Chip Dither
  • On-Chip Input Termination
  • Input Full-Scale: 1.35 VPP
  • Support for Multi-Chip Synchronization
  • JESD204B Interface:
    • Subclass 1-Based Deterministic Latency
    • 4 Lanes Support at 12.5 Gbps
  • Total Power Dissipation: 3.2 W at 3.0 GSPS
  • 72-Pin VQFN Package (10 mm × 10 mm)

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Description

The ADC31RF80 device is a 14-bit, 3-GSPS, single-channel telecom receiver and feedback device that supports RF sampling with input frequencies up to 4 GHz and beyond. Designed for high signal-to-noise ratio (SNR), the ADC31RF80 delivers a noise spectral density of –155 dBFS/Hz as well as dynamic range over a large input frequency range. The buffered analog input with on-chip termination provides uniform input impedance across a wide frequency range and minimizes sample-and-hold glitch energy.

The ADC31RF80 comes with a dual-band, digital down-converter (DDC) with up to three independent, 16-bit numerically-controlled oscillators (NCOs) per DDC for phase-coherent frequency hopping. Additionally, the ADC is equipped with front-end peak and RMS power detectors and alarm functions to support external automatic gain control (AGC) algorithms.

The ADC31RF80 supports the JESD204B serial interface with subclass 1-based deterministic latency using data rates up to 12.5 Gbps with up to four lanes. The device is offered in a 72-pin VQFN package (10 mm × 10 mm) and supports the industrial temperature range (–40°C to +85°C).



open-in-new Find other High-speed ADCs (>10MSPS)
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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 7
Type Title Date
* Datasheet ADC31RF80 3-GSPS Telecom Receiver and Feedback Device datasheet Aug. 23, 2017
User guides ADC32RFxxEVM User's Guide (Rev. E) Jan. 31, 2020
Technical articles How to achieve fast frequency hopping Mar. 03, 2019
Application notes Configuration Files for ADC32RF45, ADC32RF83, and ADC32RF80 (Rev. B) Sep. 05, 2017
Technical articles RF sampling: Learning more about latency Feb. 09, 2017
Technical articles Why phase noise matters in RF sampling converters Nov. 28, 2016
Technical articles How to minimize filter loss when you drive an ADC Oct. 20, 2016

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
Description

The ADC32RF80 evaluation module (EVM) demonstrates the performance of a dual 3-GSPS 14-bit analog-to-digital converter (ADC) with the JESD204B interface. The EVM includes the ADC32RF80 device, and JESD204B clocking is provided by the LMK04828 and TI voltage regulators to provide the necessary (...)

Features
  • Onboard clock generation, or external clocking supported with LMK04828 generating SYSREF
  • JESD204B data interface to simplify digital interface; compliant up to 10.8-Gbps lane rates
  • Supports JESD204B subclass 1 for synchronization and compatibility
  • Optional decimation filter outputs sample data at (...)

Design tools & simulation

SIMULATION MODELS Download
SBAM273.ZIP (46 KB) - IBIS Model
SIMULATION MODELS Download
SBAM274.ZIP (3109 KB) - IBIS-AMI Model
SIMULATION TOOLS Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
CALCULATION TOOLS Download
RF-Sampling Frequency Planner, Analog Filter, and DDC Excel™ Calculator
FREQ-DDC-FILTER-CALC This Excel calculator provides system designers a way to simplify the design and debugging of direct RF-sampling receivers. It offers three functions: frequency planning, analog filtering, and decimation filter spur location.

In the concept phase, a frequency-planning tool enables fine tuning of both (...)

Features
  • Frequency planning
  • Analog filtering
  • Decimation filter spur location

CAD/CAE symbols

Package Pins Download
VQFN (RMP) 72 View options

Ordering & quality

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