16-Bit 1.25 MSPS Unipolar Input Micro Power Sampling ADC
Product details
Parameters
Package | Pins | Size
Features
- Unipolar Pseudo-Differential Input, 0 V to Vref
- 16-Bit NMC at 1.25 MSPS
- ±2 LSB INL Max, -1/+1.5 LSB DNL
- 86 dB SNR, -90 dB THD at 100 kHz Input
- Zero Latency
- Internal 4.096-V Reference
- High-Speed Parallel Interface
- Single 5-V Analog Supply
- Wide I/O Supply: 2.7 V to 5.25 V
- Low Power: 155 mW at 1.25 MHz Typ
- Pin Compatible With ADS8411/8401
- 48-Pin TQFP Package
- APPLICATIONS
- DWDM
- Instrumentation
- High-Speed, High-Resolution, Zero Latency Data Acquisition Systems
- Transducer Interface
- Medical Instruments
- Communications
Description
The ADS8405 is a 16-bit, 1.25-MHz A/D converter with an internal 4.096-V reference. The device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8405 offers a full 16-bit interface and an 8-bit option where data is read using two 8-bit read cycles if necessary.
The ADS8405 has a unipolar pseudo-differential input. It is available in a 48-lead TQFP package and is characterized over the industrial –40°C to 85°C temperature range.
Technical documentation
= Top documentation for this product selected by TI
| Type | Title | Date | |
|---|---|---|---|
| * | Datasheet | ADS8405: 16-Bit, 1.25-MSPS Unipolar Pseuso-Diff Input, Micropower Sampling ADC datasheet | Dec. 17, 2004 |
| White paper | Voltage-reference impact on total harmonic distortion | Aug. 01, 2016 | |
| E-book | Best of Baker's Best: Precision Data Converters -- SAR ADCs | May 21, 2015 | |
| Application note | Determining Minimum Acquisition Times for SAR ADCs, part 2 | Mar. 17, 2011 | |
| Application note | Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A) | Nov. 10, 2010 | |
| Application note | Using ADS8411 in a Multiplexed Analog Input Application (Rev. A) | Feb. 15, 2006 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Software development
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
SLAM318.ZIP (28 KB) - TINA-TI Spice Model
SLAM319.TSC (2842 KB) - TINA-TI Reference Design
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
- (...)
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 (...)
ADC-INPUT-CALC — 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 (...)
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
- (...)
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
Information included:
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
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Support & training
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