ADS8584S

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16-Bit High-Speed 4-Channel Simultaneous-Sampling ADC With Bipolar Inputs on a Single Supply

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Product details

Parameters

Resolution (Bits) 16 Number of input channels 4 Sample rate (Max) (kSPS) 330 Interface type Parallel, Byte-Wide, SPI Architecture SAR Input type Single-Ended Multi-channel configuration Simultaneous Sampling Rating Catalog Reference mode Ext, Int Input range (Max) (V) 10 Input range (Min) (V) -10 Features Oscillator, Over-Voltage Protection, PGA Operating temperature range (C) -40 to 125 Power consumption (Typ) (mW) 54.5 Analog voltage AVDD (Min) (V) 4.75 SNR (dB) 92.7 Analog voltage AVDD (Max) (V) 5.25 INL (Max) (+/-LSB) 1.5 Digital supply (Min) (V) 2.3 Digital supply (Max) (V) 5.25 open-in-new Find other Precision ADCs (<=10MSPS)

Package | Pins | Size

LQFP (PM) 64 100 mm² 10 x 10 open-in-new Find other Precision ADCs (<=10MSPS)

Features

  • 16-Bit ADC with Integrated Analog Front-End
  • Simultaneous Sampling: 4-Channels
  • Pin-Programmable Bipolar Inputs: ±10 V and ±5 V
  • High Input Impedance: 1 MΩ
  • 5-V Analog Supply: 2.3-V to 5-V Digital Supply
  • Overvoltage Input Clamp with 7-kV ESD
  • Low-Drift, On-Chip Reference (2.5 V) and Buffer
  • Excellent Performance:
    • 330-kSPS Max Throughput per Channel
    • DNL: ±0.35 LSB; INL: ±0.45 LSB
    • SNR: 96.4 dB; THD: −114 dB
  • Over Temperature Performance:
    • Max Offset Drift: 3 ppm/°C
    • Gain Drift: 6 ppm/°C
  • On-Chip Digital Filter for Oversampling
  • Flexible Parallel, Byte, and Serial Interface
  • Temperature Range: –40°C to +125°C
  • Package: 64-Pin LQFP

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Description

The ADS8584S device is an 4-channel, integrated data acquisition (DAQ) system based on a simultaneous-sampling, 16-bit successive approximation (SAR) analog-to-digital converter (ADC) operating at a maximum of 330 kSPS per channel. The device features a complete analog front-end for each channel, including a programmable gain amplifier (PGA) with high input impedance of 1 MΩ, input clamp, low-pass filter, and an ADC input driver. The device also features a low-drift, precision reference with a buffer to drive the ADC. A flexible digital interface supporting serial, parallel, and parallel byte communication enables the device to be used with a variety of host controllers.

The ADS8584S can be configured to accept ±10-V or ±5-V true bipolar inputs using a single 5-V supply. The high input impedance allows direct connection with sensors and transformers, thus eliminating the need for external driver circuits. The high performance and accuracy, along with zero-latency conversions offered by this device, also make the ADS8584S a great choice for many industrial automation and control applications.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet ADS8584S 16-Bit, High-Speed, 4-Channel, Simultaneous-Sampling ADC with Bipolar Inputs on a Single Supply datasheet (Rev. A) Apr. 25, 2017
Application note Input protection for high-voltage ADC circuit with TVS diode Jun. 26, 2019
Application note Circuit showing overstress protection on ADC with integrated analog front end Nov. 27, 2018
Application note Extending Input Voltage Range and Understanding Associated Errors for ADC With I Nov. 09, 2018
User guide ADS8588SEVM-PDK User's Guide (Rev. B) Sep. 29, 2017
More literature ADS8588SEVM-PDK Quick Start Guide Nov. 02, 2016
White paper Voltage-reference impact on total harmonic distortion Aug. 01, 2016

Design & development

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

Hardware development

EVALUATION BOARD Download
149
Description
The ADS8588S evaluation module (EVM) performance demonstration kit (PDK) is a platform for evaluating the performance of the ADS8588S successive approximation register analog-to-digital converter (SAR ADC). The ADS8588SEVM-PDK includes the ADS8588S EVM board, the PHI controller board, and (...)
Features
  • Includes hardware and software required for diagnostic testing, as well as accurate performance evaluation of the ADS8588 ADC
  • No external power supply required
  • Ships with PHI EVM controller that provides a convenient interface to the EVM over USB 2.0 (or higher) for power delivery, as well as (...)

Software development

SUPPORT SOFTWARE Download
SLYC145A.ZIP (355660 KB)

Design tools & simulation

SIMULATION MODEL Download
SBAM310.ZIP (76 KB) - IBIS Model
SIMULATION MODEL Download
SBAM311.TSC (1928 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SBAM312.ZIP (65 KB) - TINA-TI Spice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
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
  • (...)
SIMULATION TOOL 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 (...)
CALCULATION TOOL 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 TOOL 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
  • (...)

Reference designs

REFERENCE DESIGNS Download
High Accuracy Analog Front End Using 16-Bit SAR ADC with ±10V Measurement Range Reference Design
TIDA-00834 — The TIDA-00834 reference design accurately measures voltage and current inputs using simultaneously sampled, 16-bit, ±10 V, bipolar input SAR ADC critical to identify power systems malfunction and power quality related failures accurately and quickly. This results in reduced power systems (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
LQFP (PM) 64 View options

Ordering & quality

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