ADS1147IPW ,16-Bit Analog-to-Digital Converter For Temperature Sensors 20-TSSOP -40 to 105features to reduce• Simultaneous 50-Hz and 60-Hz Rejection atsystem cost and component count for se ..
ADS1148IPW ,16-Bit Analog-to-Digital Converter For Temperature Sensors 28-TSSOP -40 to 105features to reduce• Simultaneous 50-Hz and 60-Hz Rejection atsystem cost and component count for se ..
ADS1148IPWR ,16-Bit Analog-to-Digital Converter For Temperature Sensors 28-TSSOP -40 to 105Block DiagramsADS1148 REFP0/ REFN0/OnlyAVDD REFP REFN DVDD AVDD GPIO0 GPIO1 REFP1 REFN1 VREFOUT VRE ..
ADS1174IPAPT ,Quad, Simultaneous Sampling, 16-Bit Analog-to-Digital Converter 64-HTQFP -40 to 85FEATURES DESCRIPTION234• Simultaneously Sample Four/Eight ChannelsThe ADS1174 (quad) and ADS1178 (o ..
ADS1178IPAPR ,Octal, Simultaneous Sampling, 16-Bit Analog-to-Digital Converter 64-HTQFP -40 to 85FEATURES DESCRIPTION234• Simultaneously Sample Four/Eight ChannelsThe ADS1174 (quad) and ADS1178 (o ..
ADS1178IPAPT ,Octal, Simultaneous Sampling, 16-Bit Analog-to-Digital Converter 64-HTQFP -40 to 85ELECTRICAL CHARACTERISTICSLimit specifications at T = –40°C to +105°C. Typical specifications at T ..
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ADS1147IPW
16-Bit Analog-to-Digital Converter For Temperature Sensors
AIN0/IEXC
AIN1/IEXC
Burnout
Detect
û
AVDD REFP1 REFN1 DVDD
ADS1147
ADS1148
SCLK
DIN
Input
Mux
PGA
AIN2/IEXC/GPIO2
AIN3/IEXC/GPIO3
REFP0/
GPIO0
REFN0/
GPIO1
VREF Mux Voltage
Reference
VREFOUT VREFCOM
ADS1148
Only DVDD
ADS1146
SCLK
DIN
Serial
Interface
And
Control
DRDYDOUT/
DRDY
DRDYDOUT/
DRDY
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ADS1146,SBAS453G –JULY
ADS114x 16-Bit, 2-kSPS, Analog-to-Digital Converters
Programmable Gain Amplifier (PGA) for Sensor Measurement Features Programmable Data Rates Upto2 kSPS Single-Cycle Settling forAll Data Rates Simultaneous 50-Hz and 60-Hz Rejectionat SPS Analog Multiplexer With8 (ADS1148) and (ADS1147) Independently Selectable Inputs Programmable Gain:1 V/Vto 128 V/V Dual-Matched Programmable Excitation Current
Sources Low-Drift Internal 2.048-V Reference Sensor Burnout Detection 4or8 General-Purpose I/Os (ADS1147 and
ADS1148) Internal Temperature Sensor Power Supply and VREF Monitoring (ADS1147 and
ADS1148) Self and System Calibration SPI™-Compatible Serial Interface Analog Supply: Unipolar (2.7Vto 5.25V)or
Bipolar (±2.5V) Digital Supply: 2.7Vto 5.25V
Applications Temperature Measurement RTDs, Thermocouples, and Thermistors Pressure Measurement Flow Meters Factory Automation and Process Control
DescriptionThe ADS1146, ADS1147, and
precision, 16-bit analog-to-digital
that include many integrated
system cost and component
measurement applications.
low-noise, programmable
precision delta-sigma (ΔΣ)
settling digital filter, and an
ADS1147 and ADS1148 devices
in, low-drift voltage reference,
programmable excitation current input multiplexer supports
for the ADS1148, two for the
the ADS1146.In addition,
sensor burn-out detection,
thermocouples, system monitoring,
purpose digital I/Os (ADS1147
PGA provides selectable gains
features providea complete front-end solution for
temperature sensor measurement applications
including thermocouples, thermistors, and resistance
temperature detectors (RTDs) and other small
measurements including resistive bridge sensors.
The digital filter settlesina single cycleto
fast channel cycling when using the input multiplexer
and provides data ratesupto2 kSPS. For data20 SPSor less, both 50-Hz and 60-Hz interference
are rejectedby the filter.
(1)the endofthe datasheet.
Functional Block Diagrams
