ADS5481

Package | Pins | Size

VQFN (RGC)

81 mm² 9.0 x 9.0

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Features

80/105/135-MSPS Sample Rates
16-Bit Resolution
SFDR: 95 dBc at 70 MHz and 135 MSPS
SNR: 78.6 dBFS at 70 MHz and 135 MSPS
Efficient DDR LVDS-Compatible Outputs
Internal Dither Available
Total Power Dissipation: 2.2 W
Power-Down Mode: 70 mW
On-Chip High Impedance Analog Buffer
QFN-64 PowerPAD Package (9 mm × 9 mm Footprint)
Industrial Temperature Range: –40°C to +85°C
APPLICATIONS
- Wireless Infrastructure (Multi-Carrier GSM, WCDMA, LTE)
- Test and Measurement Instrumentation
- Software-Defined Radio
- Data Acquisition
- Power Amplifier Linearization
- Communication Instrumentation
- Radar
- Medical Imaging

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The ADS5481/ADS5482/ADS5483 (ADS548x) is a 16-bit family of analog-to-digital converters (ADCs) that operate from both a 5-V supply and 3.3-V supply while providing LVDS-compatible digital outputs. The ADS548x integrated analog input buffer isolates the internal switching of the onboard track and hold (T&H) from disturbing the signal source while providing a high-impedance input. An internal reference generator is also provided to simplify the system design.

Designed for highest total ENOB, the ADS548x family has outstanding low noise performance and spurious-free dynamic range.

The ADS548x is available in an QFN-64 PowerPAD package. The device is built on Texas Instruments complementary bipolar process (BiCom3) and is specified over the full industrial temperature range (–40°C to +85°C).

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ADS5481 16-Bit, 80-MSPS Analog-to-Digital Converter Evaluation Module

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Technical documentation

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	Type	Title	Date
*	Datasheet	16-Bit, 80/105/135 MSPS High-Speed ADCs datasheet (Rev. C)	Oct. 06, 2009
	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
	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
	Application note	High-Speed, Analog-to-Digital Converter Basics	Jan. 11, 2012
	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	Input Impedance Measurement Using ADC FFT Data	Jan. 11, 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	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

ADS5481EVM

document-generic

User guide

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Description

The ADS5481EVM is a circuit board which allows the designer to run an evaluation of Texas Instruments’ ADS5481 device, a 16-bit 80 MSPS ADC with DDR LVDS outputs. With the supplied logic analyzer breakout board, the ADC LVDS output can be directly captured using either an Agilent E5405A or (...)

Features

Transformer coupled analog input path CDCE72010 Jitter Clock Synchronizer and Jitter Cleaner clocking circuit DDR LVDS output and capture ability

Data Capture/Pattern Generator: Data Converter Evaluation Module With 8 LVDS Lanes up to 1.0Gbps

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 (...)

High-speed data converter pro software

Software development

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 (...)

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 (...)

ADS5483 IBIS Model (Rev. A)

Design tools & simulation

SIMULATION MODEL Download

SLAC212A.ZIP (6 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.