ADS1115-Q1
www.ti.com
SBAS563 –DECEMBER 2011
Ultra-Small, Low-Power, 16-Bit
Analog-to-Digital Converter with Internal Reference
Check for Samples: ADS1115-Q1
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FEATURES
DESCRIPTION
The ADS1115-Q1 is a precision analog-to-digital
converter (ADCs) with 16 bits of resolution offered in
an ultra-small, leadless QFN-10 package or an
MSOP-10 package. The ADS1115-Q1 is designed
with precision, power, and ease of implementation in
mind. The ADS1115-Q1 feature an onboard
reference and oscillator. Data are transferred via an
I2C-compatible serial interface; four I2C slave
addresses can be selected. The ADS1115-Q1
operates from a single power supply ranging from
2.0V to 5.5V.
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WIDE SUPPLY RANGE: 2.0V to 5.5V
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LOW CURRENT CONSUMPTION:
Continuous Mode: Only 150μA
Single-Shot Mode: Auto Shut-Down
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PROGRAMMABLE DATA RATE:
8SPS to 860SPS
INTERNAL LOW-DRIFT
VOLTAGE REFERENCE
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INTERNAL OSCILLATOR
INTERNAL PGA
I2C™ INTERFACE: Pin-Selectable Addresses
The ADS1115-Q1 can perform conversions at rates
up to 860 samples per second (SPS). An onboard
PGA is available on the ADS1115 that offers input
ranges from the supply to as low as ±256mV,
allowing both large and small signals to be measured
with high resolution. The ADS1115 also features an
input multiplexer (MUX) that provides two differential
or four single-ended inputs.
FOUR SINGLE-ENDED OR TWO
DIFFERENTIAL INPUTS
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PROGRAMMABLE COMPARATOR
APPLICATIONS
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AUTOMOTIVE APPLICATIONS
PORTABLE INSTRUMENTATION
CONSUMER GOODS
The ADS1115-Q1 operate either in continuous
conversion mode or
a
single-shot mode that
automatically powers down after a conversion and
greatly reduces current consumption during idle
periods. The ADS1115-Q1 is specified from –40°C to
+125°C.
BATTERY MONITORING
TEMPERATURE MEASUREMENT
FACTORY AUTOMATION AND PROCESS
CONTROLS
VDD
ADS1115-Q1
Comparator
Voltage
Reference
ALERT/RDY
AIN0
AIN1
AIN2
ADDR
SCL
I2C
Interface
16-Bit DS
ADC
PGA
MUX
AIN3
ADS1115
Only
SDA
Oscillator
GND
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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.
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I2C is a trademark of NXP Semiconductors.
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2011, Texas Instruments Incorporated