ADS8422

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16 Bit 4MSPS Parallel ADC W/Ref, Pseudo Bipolar, Fully Differential Input

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Product details

Parameters

Resolution (Bits) 16 Number of input channels 1 Sample rate (Max) (kSPS) 4000 Interface Parallel Architecture SAR Input type Differential Multi-channel configuration Rating Catalog Reference mode Ext, Int Input range (Max) (V) 4.1 Input range (Min) (V) 4.1 Features Oscillator Operating temperature range (C) -40 to 85 Power consumption (Typ) (mW) 155 Analog voltage AVDD (Min) (V) 4.75 SNR (dB) 93 Analog voltage AVDD (Max) (V) 5.25 INL (Max) (+/-LSB) 2 Digital supply (Min) (V) 2.7 Digital supply (Max) (V) 5.25 Approx. price (US$) 22.55 | 1ku open-in-new Find other Precision ADCs (<=10MSPS)

Package | Pins | Size

TQFP (PFB) 48 81 mm² 9 x 9 open-in-new Find other Precision ADCs (<=10MSPS)

Features

  • Fully Differential Input with Pseudo-Bipolar Input Range -4 V to +4 V
  • 16-Bit NMC at 4 MSPS
  • 1 LSB INL Typ
  • 92dB SNR, -102dB THD Typ with 100-kHz Input
  • Internal 4.096-V Reference and Reference Buffer
  • REFIN/2 Available for Setting Analog Input Common-Mode Voltage
  • Zero Latency
  • High-Speed Parallel Interface
  • Single Supply Operation Capability
  • Low Power: 155 mW at 4 MHz Typ, Flexible Power-Down Scheme
  • Pin-Out Similar to ADS8412/8402
  • 48-Pin 9×9 TQFP Package
  • APPLICATIONS
    • DWDM
    • Instrumentation
    • High-Speed, High-Resolution, Zero Latency Data Acquisition Systems
    • Transducer Interface
    • Medical Instruments
    • Spectrum Analysis
    • ATE

open-in-new Find other Precision ADCs (<=10MSPS)

Description

The ADS8422 is a 16-bit, 4-MHz A/D converter with an internal 4.096-V reference. The device includes a 16-bit capacitor-based multi-bit SAR A/D converter with inherent sample and hold. This converter includes a full 16-bit interface and an 8-bit option where data is read using two 8-bit read cycles if necessary.

The ADS8422 has a fully differential, pseudo-bipolar input. It is available in a 48-lead TQFP package and is characterized over the industrial -40°C to +85°C temperature range.

open-in-new Find other Precision ADCs (<=10MSPS)
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Technical documentation

= Featured
No results found. Please clear your search and try again. View all 9
Type Title Date
* Datasheet 16-Bit 4MSPS Fully Differential Pseudo Bipolar Input Micro Power Sampling ADC datasheet (Rev. B) Dec. 06, 2006
Selection guides Precision Data Converter Companion Devices Selection Guide (Rev. B) Oct. 04, 2018
White papers Voltage-reference impact on total harmonic distortion Aug. 01, 2016
More literature Best of Baker's Best: Precision Data Converters -- SAR ADCs May 21, 2015
Application notes Determining Minimum Acquisition Times for SAR ADCs, part 2 Mar. 17, 2011
Application notes Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A) Nov. 10, 2010
Application notes ADS8422 Example Programs Aug. 30, 2006
Application notes Interfacing the ADS8401/ADS8411 to TMS320C6713 DSP Sep. 23, 2004
Application notes Interfacing the ADS8402/ADS8412 to TMS320C6713 DSP Sep. 23, 2004

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
$49.00
Description

The interface board consists of two signal conditioning sites, two serial EVM sites, and a parallel EVM site. Regardless of the interface type, all EVMs compatible with the 5-6K Interface Board have a standard analog interface and standard power connector. Three position screw terminals J1 and J2 (...)

EVALUATION BOARDS Download
Description

ADC-INPUT-CALC is an online tool that provides support for designing the input buffer to an analog-to-digital converter (ADC). It offers 24 different op-amp based buffer circuits that can be used to drive an ADC input. The available topologies cover differential, single-ended and transformer-coupled (...)

EVALUATION BOARDS Download
document-generic User guide
$512.47
Description

The TMS320C6416 DSP Starter Kit (DSK) developed jointly with Spectrum Digital is a low-cost development platform designed to speed the development of high performance applications based on TI´s TMS320C64x DSP generation. The kit uses USB communications for true plug-and-play (...)

Features

The DSK features the TMS320C6416 DSP, a 1 GHz device delivering up to 8000 million instructions per second (MIPs) and is designed for products that require the highest performing DSPs. The C6416 is based on the high performing TMS320C6400 DSP platform designed to needs of high-performing (...)

EVALUATION BOARDS Download
$408.94
Description
For TI's newest low power, fixed-and-floating point DSP look at TMDSC674x DSPs and the TMDSLCDK6748 development kit.

The TMS320C6713 DSP Starter Kit (DSK) developed jointly with Spectrum Digital is a low-cost development platform designed to speed the development of high precision (...)

Features

The DSK features the TMS320C6713 DSP, a 225 MHz device delivering up to 1800 million instructions per second (MIPs) and 1350 MFLOPS.  This DSP generation is designed for applications that require high precision accuracy. The C6713 is based on the  TMS320C6000 DSP (...)

Software development

IDES, CONFIGURATION, COMPILERS & DEBUGGERS Download
DCPFREETOOL Software Plug-In to Code Composer Studio
DCPFREETOOL The data converter support plug-in is a free tool, which allows the user of Code Composer Studio™ to create initialization data and configuration software for Texas Instruments data converters based on inputs on a graphical user interface.

IMPORTANT: Please read the following before downloading the (...)

Features

The data converter support plug-in (DCP) is a component of TI's Code Composer Studio™ and offers easy-to-use windows for the "point-and-click" configuration of TI's data converters from within the integrated development environment (IDE), preventing illegal combinations of settings. The DCP (...)

Design tools & simulation

SIMULATION MODELS Download
SLAM116.ZIP (30 KB) - IBIS Model
SIMULATION MODELS Download
SLAM314.TSC (2701 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SLAM315.ZIP (26 KB) - TINA-TI Spice Model
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide
CALCULATION TOOLS Download
Analog engineer's calculator
ANALOG-ENGINEER-CALC — The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
Features
  • Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
    • Noise calculations
    • Common unit translation
  • Solves common amplifier circuit design problems
    • Gain selections using standard resistors
    • Filter configurations
    • Total noise for common amplifier configurations
  • (...)
CALCULATION TOOLS Download
Jitter and SNR Calculator for ADCs
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.

CAD/CAE symbols

Package Pins Download
TQFP (PFB) 48 View options

Ordering & quality

Support & training

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