ADS4126

Package | Pins | Size

VQFN (RGZ)

49 mm² 7 x 7

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Features

Maximum Sample Rate: 250MSPS
Ultralow Power with 1.8V Single Supply:
- 201mW Total Power at 160MSPS
- 265mW Total Power at 250MSPS
High Dynamic Performance:
- SNR: 70.6dBFS at 170MHz
- SFDR: 84dBc at 170MHz
Dynamic Power Scaling with Sample Rate
Output Interface:
- Double Data Rate (DDR) LVDS with Programmable Swing and Strength
  - Standard Swing: 350mV
  - Low Swing: 200mV
  - Default Strength: 100Ω Termination
  - 2x Strength: 50Ω Termination
- 1.8V Parallel CMOS Interface Also Supported
Programmable Gain up to 6dB for SNR/SFDR Trade-Off
DC Offset Correction
Supports Low Input Clock Amplitude Down To 200mV_PP
Package: QFN-48 (7mm × 7mm)

PowerPAD is a trademark of Texas Instruments Incorporated.
All other trademarks are the property of their respective owners.

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The ADS412x/4x are a family of 12-bit/14-bit analog-to-digital converters (ADCs) with sampling rates up to 250MSPS. These devices use innovative design techniques to achieve high dynamic performance, while consuming extremely low power at 1.8V supply. The devices are well-suited for multi-carrier, wide bandwidth communications applications.

The ADS412x/4x have fine gain options that can be used to improve SFDR performance at lower full-scale input ranges, especially at high input frequencies. They include a dc offset correction loop that can be used to cancel the ADC offset. At lower sampling rates, the ADC automatically operates at scaled down power with no loss in performance.

The ADS412x/4x are available in a compact QFN-48 package and are specified over the industrial temperature range (–40°C to +85°C)

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ADS4126 12-Bit, 160-MSPS Analog-to-Digital Converter Evaluation Module

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Technical documentation

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	Type	Title	Date
*	Data sheet	12-/14-Bit, 160/250MSPS, Ultralow-Power ADC datasheet (Rev. G)	Jan. 20, 2011
	Technical article	Keys to quick success using high-speed data converters	Oct. 13, 2020
	Technical article	How to achieve fast frequency hopping	Mar. 03, 2019
	Technical article	RF sampling: Learning more about latency	Feb. 09, 2017
	Technical article	Why phase noise matters in RF sampling converters	Nov. 28, 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
	User guide	Interfacing Altera FPGAs to ADS4249 and DAC3482 (TIDA-00069 Reference Guide)	Jul. 10, 2012
	User guide	ADS41xx/58B18EVM User's Guide.. (Rev. C)	May 15, 2012
	Application note	Band-Pass Filter Design Techniques for High-Speed ADCs	Feb. 27, 2012
	Application note	High-Speed, Analog-to-Digital Converter Basics	Jan. 11, 2012
	Application note	Power Supply Design for the ADS41xx (Rev. A)	Dec. 29, 2011
	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
	Application note	Driving High-Speed ADCs: Circuit Topologies and System-Level Parameters (Rev. A)	Sep. 10, 2010
	Application note	Smart Selection of ADC/DAC Enables Better Design of Software-Defined Radio	Apr. 28, 2009
	Application note	CDCE62005 as Clock Solution for High-Speed ADCs	Sep. 04, 2008
	Application note	CDCE72010 as a Clocking Solution for High-Speed Analog-to-Digital Converters	Jun. 08, 2008
	Application note	Phase Noise Performance and Jitter Cleaning Ability of CDCE72010	Jun. 02, 2008
	Application note	QFN Layout Guidelines	Jul. 28, 2006

Design & development

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

Hardware development

EVALUATION BOARD Download

ADS4126EVM

document-generic

User guide

Order online

Description

The ADS4126EVM is a circuit board that allows designers to evaluate the performance of Texas Instruments‘ ADS4126 device, an extremely low power 12-bit 160 MSPS analog to digital converter. The ADC features a configurable parallel DDR LVDS or CMOS outputs. The EVM provides a flexible (...)

Features

Transformer coupled analog input path

Amplifier path based on the THS4509

Configurable CMOS or DDR LVDS parallel output modes

Transformer coupled clock input path

CDCE72010 Jitter Clock Synchronizer and Jitter Cleaner clocking circuit

DDR LVDS output and capture ability via TSW1405EVM capture card

USB (...)

Data converter data capture evaluation module with 8 LVDS lanes up to 1.0 Gbps

EVALUATION BOARD Download

TSW1405EVM

document-generic

User guide

Description

The TSW1405EVM is a low cost data capture circuit board used to evaluate some of Texas Instrumentsâ (TI) most popular high speed analog-to-digital converters (ADC).

The TSW1405EVM supports a high speed LVDS bus capable of providing 16-bit samples at 1.0 GSPS. The platform supports a 64k sample depth (...)

Features

Simple 16-bit waveform capture from many of TIâs high speed ADC EVMâs

Supports 64k sample depth at up to 1.0 GSPS LVDS I/O rates

LatticeECP3 high speed mini FPGA

Analyzes up to 8 channels concurrently

Single mini USB cable for power and data

Utilizes an intuitive/easy-to-use GUI package

Industryâs (...)

ADS41xx SPI GUI rev1.6 (Rev. B)

Software development

GUI FOR EVALUATION MODULE (EVM) Download

SLAC384B.ZIP (82933 KB)

High-speed data converter pro software

SUPPORT SOFTWARE Download

DATACONVERTERPRO-SW — This high-speed data converter pro GUI is a PC (Windows® XP/7 compatible) program designed to aid in evaluation of most TI high-speed data converter and analog front-end (AFE) platforms. Designed to support the entire TSW14xxx series of data-capture and pattern-generation cards (...)

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Features

Compatible with TSW1400, TSW1405, TSW1406 and TSW14J10, TSW14J50, TSW14J56, and TSW14J57 pattern-generation and data-capture platforms
Works with all TI high-speed DAC, ADC, and AFE products
Provides time-domain and frequency-domain analysis
Supports single-tone, multi-tone, and modulated (...)

ADS414x, ADS412x, ADS58B1x, IBIS MODEL

Design tools & simulation

SIMULATION MODEL Download

SBAM091.ZIP (318 KB) - IBIS Model

ADS414x, ADS412x, ADS58B1x, IBIS MODEL (Rev. A)

SIMULATION MODEL Download

SBAM091A.ZIP (318 KB) - IBIS Model

PSpice® for TI design and simulation tool

SIMULATION TOOL Download

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 (...)

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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
(...)

Analog-to-digital converter (ADC) harmonic calculator

CALCULATION TOOL Download

ADC-HARMONIC-CALC —

The ADC Harmonic Calculation tool is an excel based calculator for determining the location in frequency space of high order harmonics following Nyquist aliasing in an analog to digital converter.

Given an ADC sample rate and the span of a signal of interest the calcultor will determine if the 2nd (...)

Jitter and SNR Calculator for ADCs

CALCULATION TOOL Download

JITTER-SNR-CALC — JITTER-SNR-CALC can be used for calculating theoretical Signal to Noise (SNR) performance of ADCs based on input frequency and clock jitter.