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ADS1110

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16-Bit 240SPS 1-Ch Delta-Sigma ADC With PGA, Oscillator, Voltage Reference, and I2C

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16-Bit 240SPS 1-Ch Delta-Sigma ADC With PGA, Oscillator, Voltage Reference, and I2C

ADS1110

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Product details

Parameters

Resolution (Bits) 16 Number of input channels 1 Sample rate (Max) (kSPS) 0.128 Interface type I2C Architecture Delta-Sigma Input type Differential, Single-Ended Multi-channel configuration — Rating Catalog Reference mode Int Input range (Max) (V) 5.5 Input range (Min) (V) 0 Features Oscillator, PGA, Small Size Operating temperature range (C) -40 to 125 Power consumption (Typ) (mW) 0.72 Analog voltage AVDD (Min) (V) 2.7 Analog voltage AVDD (Max) (V) 5.5 INL (Max) (+/-LSB) 6.5 Digital supply (Min) (V) 2.7 Digital supply (Max) (V) 5.5 open-in-new Find other Precision ADCs (<=10MSPS)

Package | Pins | Size

SOT-23 (DBV) 6 5 mm² 2.9 x 1.6 open-in-new Find other Precision ADCs (<=10MSPS)

Features

  • COMPLETE DATA ACQUISITION SYSTEM IN A TINY SOT23-6 PACKAGE
  • ONBOARD REFERENCE:
       Accuracy: 2.048V ±0.05%
       Drift: 5ppm/°C
  • ONBOARD PGA
  • ONBOARD OSCILLATOR
  • 16-BITS NO MISSING CODES
  • INL: 0.01% of FSR max
  • CONTINUOUS SELF-CALIBRATION
  • SINGLE-CYCLE CONVERSION
  • PROGRAMMABLE DATA RATE: 15SPS TO 240SPS
  • I2C™ INTERFACE—EIGHT AVAILABLE ADDRESSES
  • POWER SUPPLY: 2.7V to 5.5V
  • LOW CURRENT CONSUMPTION: 240µA
  • APPLICATIONS
    • PORTABLE INSTRUMENTATION
    • INDUSTRIAL PROCESS CONTROL
    • SMART TRANSMITTERS
    • CONSUMER GOODS
    • FACTORY AUTOMATION
    • TEMPERATURE MEASUREMENT

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Description

The ADS1110 is a precision, continuously self-calibrating Analog-to-Digital (A/D) converter with differential inputs and up to 16 bits of resolution in a small SOT23-6 package. The onboard 2.048V reference provides an input range of ±2.048V differentially. The ADS1110 uses an I2C-compatible serial interface and operates from a single power supply ranging from 2.7V to 5.5V.

The ADS1110 can perform conversions at rates of 15, 30, 60, or 240 samples per second. The onboard programmable gain amplifier (PGA), which offers gains of up to 8, allows smaller signals to be measured with high resolution. In single-conversion mode, the ADS1110 automatically powers down after a conversion, greatly reducing current consumption during idle periods.

The ADS1110 is designed for applications requiring high-resolution measurement, where space and power consumption are major considerations. Typical applications include portable instrumentation, industrial process control, and smart transmitters.

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Technical documentation

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Type Title Date
* Datasheet ADS1110: 16-Bit Analog-to-Digital Converter with Onboard Reference datasheet (Rev. A) Nov. 04, 2003
E-book Fundamentals of Precision ADC Noise Analysis Jun. 19, 2020
Application note Digital Filter Types in Delta-Sigma ADCs Jun. 27, 2017
Application note How delta-sigma ADCs work, Part 1 (Rev. A) Sep. 19, 2016
E-book Best of Baker's Best: Precision Data Converters -- Delta-Sigma ADCs Mar. 19, 2015
Application note How delta-sigma ADCs work, Part 2 Nov. 09, 2011

Design & development

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Design tools & simulation

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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
  • (...)
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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
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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
  • (...)
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SOT-23 (DBV) 6 View options

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