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ADS8324

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14-Bit 50 kSPS ADC Ser. Out, 1.8V Operation

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14-Bit 50 kSPS ADC Ser. Out, 1.8V Operation

ADS8324

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Product details

Parameters

Resolution (Bits) 14 Number of input channels 1 Sample rate (Max) (kSPS) 50 Interface type SPI Architecture SAR Input type Pseudo-Differential Multi-channel configuration — Rating Catalog Reference mode Ext Input range (Max) (V) 1.8 Input range (Min) (V) -1.8 Features — Operating temperature range (C) -40 to 85 Power consumption (Typ) (mW) 2.5 Analog voltage AVDD (Min) (V) 1.8 SNR (dB) 78 Analog voltage AVDD (Max) (V) 3.6 INL (Max) (+/-LSB) 2 Digital supply (Min) (V) 1.8 Digital supply (Max) (V) 3.6 open-in-new Find other Precision ADCs (<=10MSPS)

Package | Pins | Size

VSSOP (DGK) 8 15 mm² 3 x 4.9 open-in-new Find other Precision ADCs (<=10MSPS)

Features

  • BIPOLAR INPUT RANGE
  • 1.8V OPERATION
  • 50kHz SAMPLING RATE
  • MICRO POWER:
      5.0mW at 2.7V
      2.5mW at 1.8V
  • POWER DOWN: 3 µA max
  • MSOP-8 PACKAGE
  • PIN-COMPATIBLE TO 12-BIT ADS7817
  • SERIAL (SPI/SSI)INTERFACE
  • APPLICATIONS
    • BATTERY OPERATED SYSTEMS
    • REMOTE DATA ACQUISITION
    • ISOLATED DATA ACQUISITION
    • SIMULTANEOUS SAMPLING, MULTI-CHANNEL SYSTEMS
    • INDUSTRIAL CONTROLS
    • ROBOTICS
    • VIBRATION ANALYSIS

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Description

The ADS8324 is a 14-bit, sampling Analog-to-Digital (A/D) converter with tested specifications using a 1.8V supply voltage. It requires very little power, even when operating at the full 50kHz data rate. At lower data rates, the high speed of the device enables it to spend most of its time in the power-down mode—the average power dissipation is less than 1mW at 10kHz data rate.

The ADS8324 also features a synchronous serial (SPI/SSI compatible) interface, and a differential input. The reference voltage can be set to any level within the range of 500mV to VCC/2.

Ultra-low power and small size make the ADS8324 ideal for portable and battery-operated systems. It is also a perfect fit for remote data acquisition modules, simultaneous multi-channel systems, and isolated data acquisition. The ADS8324 is available in an MSOP-8 package.

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Technical documentation

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Type Title Date
* Data sheet ADS8324: 14-Bit, 50-KSPS, 1.8-V Micropower Sampling Analog-to-Digital Converter datasheet (Rev. A) Mar. 11, 2004
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs May 21, 2015
Technical article Input considerations for SAR ADCs Jun. 20, 2014
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 High-Voltage Signal Conditioning for Differential ADCs Jun. 14, 2004

Design & development

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

Hardware development

EVALUATION BOARD Download
document-generic User guide
Description

ADCPro™ is a modular software system for evaluating analog-to-digital converters (ADCs) without the need for expensive logic analyzers and complex analysis routines. Used alone it is suitable for performing analysis on data sets captured from ADC testing; when paired with a Texas Instruments (...)

Features

ADCPro software from Texas Instruments will simplify the tasks of collecting and analyzing ADC data, and ease evaluation. With it, you can easily set up an evaluation system that may not exactly replicate the manufacturer's system, but still arrive at meaningful results that can be compared to (...)

View details

Design tools & simulation

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
  • (...)
View details
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 (...)
document-generic User guide
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
  • (...)
View details
CALCULATION TOOL 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

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VSSOP (DGK) 8 View options

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  • Ongoing reliability monitoring

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