ADS4449

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Quad-Channel, 14-Bit, 250-MSPS Analog-to-Digital Converter (ADC)

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Product details

Parameters

Sample rate (Max) (MSPS) 250 Resolution (Bits) 14 Number of input channels 4 Interface type DDR LVDS Analog input BW (MHz) 500 Features High Performance Rating Catalog Input range (Vp-p) 2 Power consumption (Typ) (mW) 1470 Architecture Pipeline SNR (dB) 71.1 ENOB (Bits) 11.5 SFDR (dB) 87 Operating temperature range (C) -40 to 85 Input buffer No open-in-new Find other High-speed ADCs (>10MSPS)

Package | Pins | Size

NFBGA (ZCR) 144 100 mm² 10 x 10 open-in-new Find other High-speed ADCs (>10MSPS)

Features

  • Quad Channel
  • 14-Bit Resolution
  • Maximum Sampling Data Rate: 250 MSPS
  • Power Dissipation:
    • 365 mW per Channel
  • Spectral Performance at 170-MHz IF (typ):
    • SNR: 69 dBFS
    • SFDR: 86 dBc
  • DDR LVDS Digital Output Interface
  • Internal Dither
  • Package: 144-Terminal NFBGA (10.00 mm × 10.00 mm)

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

Description

The ADS4449 is a high-linearity, quad-channel, 14-bit, 250-MSPS, analog-to-digital converter (ADC). Designed for low power consumption and high spurious-free dynamic range (SFDR), the device has low-noise performance and outstanding SFDR over a large input frequency range.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet ADS4449 Quad-Channel, 14-Bit, 250-MSPS, Low-Power ADC datasheet (Rev. B) Oct. 29, 2020
Technical articles Keys to quick success using high-speed data converters Oct. 13, 2020
Technical articles How to achieve fast frequency hopping Mar. 03, 2019
Technical articles RF sampling: Learning more about latency Feb. 09, 2017
Technical articles Why phase noise matters in RF sampling converters Nov. 28, 2016
User guide ADS4449 User Guide (Rev. A) Apr. 26, 2016
Application note Design Considerations for Avoiding Timing Errors during High-Speed ADC, LVDS Dat (Rev. A) May 22, 2015
Application note Why Use Oversampling when Undersampling Can Do the Job? (Rev. A) Jul. 19, 2013
More literature TI and Altera Ease Design Process with Compatible Evaluation Tools Apr. 25, 2011
More literature TI and Xilinx Ease Design Process with Compatible Evaluation Tools Apr. 25, 2011

Design & development

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

Hardware development

EVALUATION BOARD Download
Description

The ADS4449EVM is a circuit board that allows designers to evaluate the performance of Texas Instruments ADS4449, a quad-channel, 14-bit analog-to-digital converter (ADC) operating at sampling rates of up to 250 MSPS. Designed for low-power consumption and high spurious free dynamic range (SFDR (...)

Features
  • Comprehensive test capability for the ADS4449
  • Direct connection to TSW1400 EVM pattern capture card
  • Software support with a full featured GUI for easy testing and prototyping
  • LDO or DC/DC power supply options

Software development

GUI FOR EVALUATION MODULE (EVM) Download
SLAC566.ZIP (130157 KB)

Design tools & simulation

SIMULATION MODEL Download
SBAM164B.ZIP (36 KB) - IBIS Model
SIMULATION TOOL 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
  • (...)

Reference designs

REFERENCE DESIGNS Download
Quad-Channel 250-Msps Digitizer with Variable Gain Amplifier Reference Design
TIDA-00094 This reference design shows a quad channel, 14-bit, 250-Msps digitizer with wide input range using the LMH6881 programmable differential amplifier and ADS4449 quad-channel, 14-bit, 250-Msps ADC. This combination allows an input voltage range of approximately 1 Vpp to 100 uVpp (4 dBm to -75 dBm (...)
document-generic Schematic
REFERENCE DESIGNS Download
Optimizing THS4509 to Drive High Speed ADCs Reference Design
TIDA-00093 This reference design shows the ability of the high-speed amplifier, THS4509 to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both (...)
document-generic Schematic
REFERENCE DESIGNS Download
Optimizing LMH6554 to Drive High Speed ADCs
TIDA-00092 This reference design shows the ability of the high-speed amplifier, LMH6554, to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
NFBGA (ZCR) 144 View options

Ordering & quality

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  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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