ADS1115

ADS1115

16-Bit

ADC

DS

I C

Interface

2

Voltage

Reference

Oscillator

SCL

SDA

ADDR

ADS1113

AIN1

AIN0

16-Bit

ADC

DS

I C

Interface

2

Voltage

Reference

Oscillator

ALERT/RDY

SCL

SDA

ADDR

PGA

Comparator

ADS1115

ADS1114

MUX

AIN1

AIN2

AIN0

AIN3

ADS1115

Only

VDD

GND

VDD

GND

ADS1113

ADS1114

ADS1115

www.ti.com

SBAS444B – MAY 2009 – REVISED OCTOBER 2009

Ultra-Small, Low-Power, 16-Bit

Analog-to-Digital Converter with Internal Reference

Check for Samples: ADS1113 ADS1114 ADS1115

1

FEATURES

DESCRIPTION

23

•

ULTRA-SMALL QFN PACKAGE:

The

ADS1113,

ADS1114,

and

ADS1115

are

2mm × 1,5mm × 0,4mm

precision analog-to-digital converters (ADCs) with 16

bits of resolution offered in an ultra-small, leadless

•

WIDE SUPPLY RANGE: 2.0V to 5.5V

QFN-10 package or an MSOP-10 package. The

•

LOW CURRENT CONSUMPTION:

ADS1113/4/5 are designed with precision, power, and

Continuous Mode: Only 150

μA

ease of implementation in mind. The ADS1113/4/5

Single-Shot Mode: Auto Shut-Down

feature an onboard reference and oscillator. Data are

•

PROGRAMMABLE DATA RATE:

slave

addresses

can

be

selected.

The

8SPS to 860SPS

ADS1113/4/5 operate from a single power supply

•

INTERNAL LOW-DRIFT

ranging from 2.0V to 5.5V.

VOLTAGE REFERENCE

The ADS1113/4/5 can perform conversions at rates

•

INTERNAL OSCILLATOR

up to 860 samples per second (SPS). An onboard

•

INTERNAL PGA

PGA is available on the ADS1114 and ADS1115 that

•

offers input ranges from the supply to as low as

±256mV, allowing both large and small signals to be

•

FOUR SINGLE-ENDED OR TWO

measured with high resolution. The ADS1115 also

DIFFERENTIAL INPUTS (ADS1115)

features an input multiplexer (MUX) that provides two

•

PROGRAMMABLE COMPARATOR

differential or four single-ended inputs.

(ADS1114 and ADS1115)

The

ADS1113/4/5

operate

either

in

continuous

conversion

mode

or

a

single-shot

mode

that

APPLICATIONS

automatically powers down after a conversion and

•

PORTABLE INSTRUMENTATION

greatly reduces current consumption during idle

•

CONSUMER GOODS

periods. The ADS1113/4/5 are specified from –40°C

•

BATTERY MONITORING

to +125°C.

•

TEMPERATURE MEASUREMENT

•

FACTORY AUTOMATION AND PROCESS

CONTROLS

1

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.

2

I2C is a trademark of NXP Semiconductors.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2009, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.