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ADS1146IPWR bảng dữ liệu(PDF) 1 Page - Texas Instruments

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Giải thích chi tiết về linh kiện  16-Bit Analog-to-Digital Converters for Temperature Sensors
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ADS1146IPWR bảng dữ liệu(HTML) 1 Page - Texas Instruments

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ADS1146
ADS1147
ADS1148
Input
Mux
3rdOrder
DS
Modulator
REFP
REFN
PGA
Burnout
Detect
Burnout
Detect
DVDD
DGND
ADS1146
AVSS
AIN0
AIN1
SCLK
DIN
DRDY
DOUT/DRDY
CS
START
RESET
AVDD
InternalOscillator
Adjustable
Digital
Filter
Serial
Interface
and
Control
CLK
Input
Mux
3rdOrder
DS
Modulator
REFP1 REFN1 VREFOUT VREFCOM
REFP0/
GPIO0
REFN0/
GPIO1
Burnout
Detect
Burnout
Detect
DVDD
DGND
IEXC1
AVSS
AIN0/IEXC
AIN1/IEXC
AIN2/IEXC/GPIO2
AIN3/IEXC/GPIO3
AIN4/IEXC/GPIO4
AIN5/IEXC/GPIO5
AIN6/IEXC/GPIO6
AIN7/IEXC/GPIO7
ADS1148 Only
SCLK
DIN
DRDY
DOUT/DRDY
CS
START
RESET
AVDD
IEXC2
InternalOscillator
Voltage
Reference
Serial
Interface
and
Control
V
BIAS
GPIO
CLK
ADS1148 Only
ADS1147
ADS1148
PGA
System
Monitor
Adjustable
Digital
Filter
Dual
Current
DACs
VREFMux
ADS1148 Only
V
BIAS
ADS1146
ADS1147
ADS1148
www.ti.com
SBAS453C – JULY 2009 – REVISED APRIL 2010
16-Bit Analog-to-Digital Converters for Temperature Sensors
Check for Samples: ADS1146, ADS1147, ADS1148
1
FEATURES
DESCRIPTION
23
16 Bits, No Missing Codes
The
ADS1146,
ADS1147,
and
ADS1148
are
highly-integrated, precision, 16-bit analog-to-digital
Data Output Rates Up to 2kSPS
converters (ADCs). The ADS1146/7/8 feature an
Single-Cycle Settling for All Data Rates
onboard, low-noise, programmable gain amplifier
Simultaneous 50/60Hz Rejection at 20SPS
(PGA),
a
precision
delta-sigma
ADC
with
a
4 Differential/7 Single-Ended Inputs (ADS1148)
single-cycle settling digital filter, and an internal
oscillator. The ADS1147 and ADS1148 also provide a
2 Differential/3 Single-Ended Inputs (ADS1147)
built-in voltage reference with 10mA output capacity,
Matched Current Source DACs
and
two
matched
programmable
current
Internal Voltage Reference
digital-to-analog
converters
(DACs).
The
ADS1146/7/8 provide a complete front-end solution
Sensor Burnout Detection
for temperature sensor applications including thermal
4/8 General-Purpose I/Os (ADS1147/8)
couples, thermistors, and resistance temperature
Internal Temperature Sensor
detectors (RTDs).
Power Supply and VREF Monitoring
An input multiplexer supports four differential inputs
(ADS1147/8)
for the ADS1148, two for the ADS1147, and one for
the ADS1146. In addition, the multiplexer has a
Self and System Calibration
sensor
burnout
detect,
voltage
bias
for
SPI™-Compatible Serial Interface
thermocouples,
system
monitoring,
and
Analog Supply Operation:
general-purpose
digital
I/Os
(ADS1147
and
+2.7V to +5.25V Unipolar, ±2.5V Bipolar
ADS1148). The onboard, low-noise PGA provides
selectable gains of 1 to 128. The delta-sigma
Digital Supply: +2.7V to +5.25V
modulator and adjustable digital filter settle in only
Operating Temperature –40°C to +125°C
one cycle, for fast channel cycling when using the
input multiplexer, and support data rates up to
APPLICATIONS
2kSPS. For data rates of 20SPS or less, both 50Hz
Temperature Measurement
and 60Hz interference are rejected by the filter.
RTDs, Thermocouples, and Thermistors
The ADS1146 is offered in a small TSSOP-16
Pressure Measurement
package, the ADS1147 is available in a TSSOP-20
Industrial Process Control
package, and the ADS1148 in a TSSOP-28 package.
All three devices operate over the extended specified
temperature range of –40°C to +105°C.
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
SPI is a trademark of Motorola, Inc.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009–2010, 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.


Số phần tương tự - ADS1146IPWR

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Texas Instruments
ADS1146IPWR TI1-ADS1146IPWR Datasheet
1Mb / 64P
[Old version datasheet]   16-Bit Analog-to-Digital Converters for Temperature Sensors
ADS1146IPWR TI1-ADS1146IPWR Datasheet
1Mb / 67P
[Old version datasheet]   16-Bit Analog-to-Digital Converters for Temperature Sensors
ADS1146IPWR TI1-ADS1146IPWR Datasheet
781Kb / 54P
[Old version datasheet]   16-Bit Analog-to-Digital Converters for Temperature Sensors
APRIL2010
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Mô tả tương tự - ADS1146IPWR

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Texas Instruments
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[Old version datasheet]   16-Bit Analog-to-Digital Converters for Temperature Sensors
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