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ADS1112IDRCT

Description
16-Bit 240SPS 4-Ch Delta-Sigma ADC With PGA, Oscillator, Voltage Reference, and I2C 10-VSON -40 to 85
CategoryAnalog mixed-signal IC    converter   
File Size2MB,27 Pages
ManufacturerTT Electronics plc
Websitehttp://www.ttelectronics.com/
Environmental Compliance
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ADS1112IDRCT Overview

16-Bit 240SPS 4-Ch Delta-Sigma ADC With PGA, Oscillator, Voltage Reference, and I2C 10-VSON -40 to 85

ADS1112IDRCT Parametric

Parameter NameAttribute value
Brand NameTexas Instruments
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerTT Electronics plc
Parts packaging codeSON
package instructionSON-10
Contacts10
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time1 week
Is SamacsysN
Maximum analog input voltage5.7 V
Minimum analog input voltage-0.2 V
Converter typeADC, DELTA-SIGMA
JESD-30 codeS-PDSO-N10
JESD-609 codee4
length3 mm
Maximum linear error (EL)0.01%
Humidity sensitivity level2
Number of analog input channels3
Number of digits16
Number of functions1
Number of terminals10
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit code2'S COMPLEMENT BINARY
Output formatSERIAL
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC10,.11,20
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
power supply5 V
Certification statusNot Qualified
Sampling rate0.00024 MHz
Maximum seat height1 mm
Maximum slew rate0.35 mA
Minimum supply voltage2.7 V
Nominal supply voltage5 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceNickel/Palladium/Gold (Ni/Pd/Au)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
Base Number Matches1
ADS1112
SBAS282D − JUNE 2003 − REVISED MARCH 2004
16-Bit Analog-to-Digital Converter with
Input Multiplexer and Onboard Reference
FEATURES
D
COMPLETE DATA ACQUISITION SYSTEM IN
THE MSOP-10 AND LEADLESS QFN-STYLE
PACKAGES
DESCRIPTION
The ADS1112 is a precision, continuously self-calibrating
Analog-to-Digital (A/D) converter with two differential or three
single-ended channels and up to 16 bits of resolution in the
small MSOP-10 and leadless QFN-style (small-outline,
no-lead) packages. The onboard 2.048V reference provides
an input range of
±2.048V
differentially. The ADS1112 uses
an I
2
C-compatible serial interface and has two address pins
that allow a user to select one of the eight I
2
C Slave
addresses. The ADS1112 operates from a single power
supply ranging from 2.7V to 5.5V.
The ADS1112 can perform conversions at rates of 15, 30, 60,
or 240 samples per second (SPS). The onboard
programmable gain amplifier (PGA), which offers gains of up
to eight, allows smaller signals to be measured with high
resolution. In single-conversion mode, the ADS1112
automatically powers down after a conversion, greatly
reducing current consumption during idle periods.
The ADS1112 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.
D
MEASUREMENTS FROM TWO DIFFERENTIAL
CHANNELS OR THREE SINGLE-ENDED
CHANNELS
D
I
2
CINTERFACE—EIGHT ADDRESSES PIN-
SELECTABLE
D
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
D
D
D
D
D
D
D
D
POWER SUPPLY: 2.7V to 5.5V
D
LOW CURRENT CONSUMPTION: 240µA
APPLICATIONS
D
D
D
D
D
D
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.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright
2003−2004, Texas Instruments Incorporated
www.ti.com
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