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Product details

Parameters

Resolution (Bits) 16 Number of input channels 4 Sample rate (Max) (kSPS) 500 Interface type Serial Architecture SAR Input type Differential Multi-channel configuration Simultaneous Sampling Rating Catalog Reference mode Ext, Int Input range (Max) (V) 5.25 Input range (Min) (V) 0 Features Operating temperature range (C) -40 to 125 Power consumption (Typ) (mW) 150 Analog voltage AVDD (Min) (V) 4.75 SNR (dB) 83 Analog voltage AVDD (Max) (V) 5.25 INL (Max) (+/-LSB) 8 Digital supply (Min) (V) 2.7 Digital supply (Max) (V) 5.5 open-in-new Find other Precision ADCs (<=10MSPS)

Package | Pins | Size

SSOP (DBQ) 24 52 mm² 8.65 x 6 VQFN (RHB) 32 25 mm² 5.0 x 5.0 open-in-new Find other Precision ADCs (<=10MSPS)

Features

  • 2 SIMULTANEOUS 16-BIT DACs
  • 4 FULLY DIFFERENTIAL INPUT CHANNELS
  • 2 µs THROUGHPUT PER CHANNEL
  • 4 µs TOTAL THROUGHPUT FOR FOUR CHANNELS
  • LOW POWER: 150mW
  • INTERNAL REFERENCE
  • FLEXIBLE SERIAL INTERFACE
  • 16-BIT UPGRADE TO THE 12-BIT ADS7861
  • PIN COMPATIBLE WITH THE ADS7861
  • OPERATING TEMPERATURE RANGE: -40°C to +125°C
  • APPLICATIONS
    • MOTOR CONTROL
    • MULTI-AXIS POSITIONING SYSTEMS
    • 3-PHASE POWER CONTROL

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Description

The ADS8361 is a dual, 16-bit, 500kSPS, Analog-to-Digital (A/D) converter with four fully differential input channels grouped into two pairs for high-speed, simultaneous signal acquisition. Inputs to the sample-and-hold amplifiers are fully differential and are maintained differentially to the input of the A/D converter. This provides excellent common-mode rejection of 80dB at 50kHz, which is important in high-noise environments.

The ADS8361 offers a high-speed, dual serial interface and control inputs to minimize software overhead. The output data for each channel is available as a 16-bit word. The ADS8361 is offered in SSOP-24 and QFN-32 (5x5) packages and is fully specified over the -40°C to +125°C operating range.

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Technical documentation

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Type Title Date
* Data sheet Dual, 500kSPS, 16-Bit, 2+2 Channel, Simultaneous Sampling A/D Converter datasheet (Rev. E) Aug. 14, 2007
White papers Voltage-reference impact on total harmonic distortion Aug. 01, 2016
White papers Best of Baker's Best: Precision Data Converters -- SAR ADCs May 21, 2015
Application notes Using a SAR A/D Converter for Current Measurement in Motor Control Applications (Rev. A) May 18, 2015
User guides ADS7861/7863/8361EVM Users Guide (Rev. A) May 19, 2011
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
User guides 5-6 K Interface Board User's Guide (Rev. C) Mar. 20, 2009
Application notes Interfacing the ADS8361 to TMS470 Processors Jul. 19, 2006
Application notes Using the ADS8361 with the MSP430 USI port Jul. 17, 2006
More literature ADS8361EVM Readme Page Thank You Letter Mar. 03, 2005
User guides 5-6 K Interface Board EVM User's Guide (Rev. A) May 27, 2004
Application notes Interfacing the ADS8361 to the TMS320F2812 DSP Feb. 10, 2003
Application notes Interfacing the ADS8361 to the TMS320C6711 DSP Feb. 04, 2003
Application notes Interfacing the ADS8361 to the TMS320VC5416 DSP Dec. 05, 2002

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
document-generic User guide
$49.00
Description

The ADS8361EVM uses a circuit board designated ADS78-8361EVM. This EVM board will accept either the ADS7861 (12bit) or the ADS8361 (16bit) ADC. The ADS7861 operates from 5 volts to supply AVdd & DVdd, while the ADS8361 operates from 2.7V to 3.6V to supply AVdd & DVdd. The evaluation board has a 500 (...)

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 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-to-digital converter (ADC) input driver design tool supporting multiple input types
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 (...)
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
SSOP (DBQ) 24 View options
VQFN (RHB) 32 View options

Ordering & quality

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