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Texas Instruments - ADS1110 16-Bit Analog-to-Digital Converter with Onboard Reference Data Manual User Guide

Summary

The ADS1110 is a high-precision, 16-bit Analog-to-Digital Converter (ADC) designed for reliable signal acquisition in demanding environments. Featuring automatic self-calibration and an integrated reference voltage, it provides accurate measurements across various differential inputs while maintaining ultra-low power consumption. This device is ideal for engineers developing portable instrumentation, industrial process control systems, smart transmitters, and factory automation solutions requiring high resolution and low spatial footprint.

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ADS1110

SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003

16-Bit ANALOG-TO-DIGITAL CONVERTER

with Onboard Reference

FEATURES DESCRIPTION

COMPLETE DATA ACQUISITION SYSTEM IN The ADS1110 is a precision, continuously self−calibrating A TINY SOT23-6 PACKAGE Analog-to-Digital (A/D) converter with differential inputs and up to 16 bits of resolution in a small SOT23-6 package. The

ONBOARD REFERENCE:

onboard 2.048V reference provides an input range of

Accuracy: 2.048V ±0.05%

±2.048V differentially. The ADS1110 uses an I2C-compatible

Drift: 5ppm/°C

serial interface and operates from a single power supply

ONBOARD PGA ranging from 2.7V to 5.5V. ONBOARD OSCILLATOR The ADS1110 can perform conversions at rates of 15, 30, 60,

or 240 samples per second. The onboard programmable

16-BITS NO MISSING CODES

gain amplifier (PGA), which offers gains of up to 8, allows

INL: 0.01% of FSR max

smaller signals to be measured with high resolution. In CONTINUOUS SELF-CALIBRATION single-conversion mode, the ADS1110 automatically powers down after a conversion, greatly reducing current

SINGLE-CYCLE CONVERSION

consumption during idle periods.

PROGRAMMABLE DATA RATE: 15SPS TO

The ADS1110 is designed for applications requiring

240SPS

high-resolution measurement, where space and power

I2CINTERFACE—EIGHT AVAILABLE consumption are major considerations. Typical applications

ADDRESSES include portable instrumentation, industrial process control, and smart transmitters.

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

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners.

Copyright  2003, Texas Instruments Incorporated

www.ti.com

Page Summary Contents For Texas Instruments - ADS1110 16-Bit Analog-to-Digital Converter with Onboard Reference Data Manual User Guide

Page 1 ADS1110 SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 16-Bit ANALOG-TO-DIGITAL CONVERTER with Onboard Reference FEATURES DESCRIPTION COMPLETE DATA ACQUISITION SYSTEM IN The ADS1110 is a precision, con...
Page 2 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 This integrated circuit can be damaged by ESD. ABSOLUTE MAXIMUM RATINGS(1) Texas Instruments recommends that all VDD to GND −0.3V to +6...
Page 3 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 ELECTRICAL CHARACTERISTICS All specifications at −40°C to +85°C, VDD = 5V, and all PGAs, unless otherwise noted. ADS1110 PARAMETER COND...
Page 4 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 TYPICAL CHARACTERISTICS At TA = 25°C and VDD = 5V, unless otherwise noted.
Page 5 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 TYPICAL CHARACTERISTICS (continued) At TA = 25°C and VDD = 5V, unless otherwise noted.
Page 6 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 TYPICAL CHARACTERISTICS (continued) At TA = 25°C and VDD = 5V, unless otherwise noted. THEORY OF OPERATION The ADS1110 is a fully diffe...
Page 7 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 For example, the ideal expression for output codes with a generated by the onboard clock oscillator, so its frequency, data rate of 16S...
Page 8 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 An I2C bus consists of two lines, SDA and SCL. SDA USING THE ADS1110 carries data; SCL provides the clock. All data is transmitted acro...
Page 9 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 When a master has finished communicating with a slave, Each variant of the ADS1110 is marked with EDx, where it may issue a STOP condit...
Page 10 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 I2C DATA RATES For more information on High-speed mode, consult the I2C specification. The I2C bus operates in one of three speed modes...
Page 11 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 CONFIGURATION REGISTER Note that the output register is returned from the ADS1110 before the configuration register. The state of the T...
Page 12 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 READING FROM THE ADS1110 register is read more than once during a conversion cycle, it will return the same data each time. New data wi...
Page 13 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 Pull-up resistors are necessary on both the SDA and SCL APPLICATIONS INFORMATION lines because I2C bus drivers are open-drain. The size...
Page 14 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 Figure 6 shows a circuit with several different devices connected to a single I2C bus. A Texas Instruments TMP100 temperature sensor an...
Page 15 ADS1110 www.ti.com SBAS276A − MARCH 2003 − REVISED NOVEMBER 2003 SINGLE-ENDED INPUTS Although the ADS1110 has a fully differential input, it can easily measure single-ended signals. A simple single-en...
Page 16 PACKAGE OPTION ADDENDUM www.ti.com 18-Jul-2006 PACKAGING INFORMATION Orderable Device Status Package Package Pins Package Eco Plan Lead/Ball Finish MSL Peak Temp Type Drawing Qty ADS1110A0IDBVR ACTIVE...
Page 17 PACKAGE OPTION ADDENDUM www.ti.com 18-Jul-2006 Orderable Device Status Package Package Pins Package Eco Plan Lead/Ball Finish MSL Peak Temp Type Drawing Qty ADS1110A6IDBVRG4 ACTIVE SOT-23 DBV Green (R...
Page 19 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and servic...

Manual Details

Brand Texas Instruments
Pages 19
File Size 563.87 KB
Published July 10, 2026
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Frequently Asked Questions

What is the operational temperature range?

The device operates in a range of -40°C to +125°C.

How does the ADS1110 conserve power during idle periods?

It uses single-cycle conversion mode, which automatically powers down after a measurement, greatly reducing current consumption.

What are the available sample rates for conversions?

The converter can perform measurements at 15, 30, 60, or 240 samples per second.

What is the required single power supply voltage range?

It operates from a single DC power supply between 2.7V and 5.5V.