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ADS1120IRVAT bảng dữ liệu(PDF) 1 Page - Texas Instruments

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Giải thích chi tiết về linh kiện  Low-Power, Low-Noise, 16-Bit, Analog-to-Digital Converter for Small-Signal Sensors
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ADS1120IRVAT bảng dữ liệu(HTML) 1 Page - Texas Instruments

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Low Drift
Oscillator
Reference
Mux
Precision
Temp Sensor
AIN0/REFP1
AIN1
AIN2
AIN3/REFN1
SCLK
CS
AVDD
AVSS
DOUT/DRDY
DIN
ADS1120
DRDY
DGND
REFP0
REFN0
Internal
Reference
CLK
50 A to
1.5 mA
Mux
DVDD
PGA
16-bit
ûADC
Digital Filter
and
SPI
Interface
ADS1120
www.ti.com
SBAS535A – AUGUST 2013 – REVISED JANUARY 2014
Low-Power, Low-Noise, 16-Bit, Analog-to-Digital Converter for Small-Signal Sensors
Check for Samples: ADS1120
1
FEATURES
DESCRIPTION
The ADS1120 is a precision, 16-bit, analog-to-digital
23
Low Current Consumption:
converter (ADC) that offers many integrated features
As Low as 120
μA (typ) in Duty-Cycle Mode
to reduce system cost and component count in
Wide Supply Range: 2.3 V to 5.5 V
applications measuring small sensor signals. The
Programmable Gain: 1 V/V to 128 V/V
device features two differential or four single-ended
inputs through a flexible input multiplexer (mux), a
Programmable Data Rates: Up to 2 kSPS
low-noise, programmable gain amplifier (PGA), two
16-Bit Noise-Free Resolution at 20 SPS
programmable excitation current sources, a voltage
Simultaneous 50-Hz and 60-Hz Rejection at
reference, an oscillator, a low-side switch, and a
20 SPS with Single-Cycle Settling Digital Filter
precision temperature sensor.
Dual-Matched Programmable Current Sources:
The device can perform conversions at data rates up
50
μA to 1500 μA
to 2000 samples-per-second (SPS) with single-cycle
settling.
At
20
SPS,
the
digital
filter
offers
Internal 2.048-V Reference: 5 ppm/°C (typ) Drift
simultaneous 50-Hz and 60-Hz rejection for noisy
Internal 2% Accurate Oscillator
industrial applications. The internal PGA offers gains
Internal Temperature Sensor:
up to 128 V/V. This PGA makes the ADS1120 ideally-
0.5°C (typ) Accuracy
suited
for
applications
measuring
small
sensor
signals, such as resistance temperature detectors
Two Differential or Four Single-Ended Inputs
(RTDs),
thermocouples,
thermistors,
and
bridge
SPI™-Compatible Interface
sensors. The device supports measurements of
Package: 3,5-mm × 3,5-mm × 0,9-mm QFN
pseudo- or fully-differential signals when using the
PGA. Alternatively, the device can be configured to
APPLICATIONS
bypass the internal PGA while still providing high
input impedance and gains up to 4 V/V, allowing for
Temperature Sensors:
single-ended measurements.
Thermocouples
The power consumption is as low as 120 µA when
Resistance Temperature Detectors (RTDs)
operating in duty-cycle mode with the PGA disabled.
2-, 3-, or 4-Wire Types
Communication to the device is established through a
Bridge Sensors
mode 1 SPI-compatible interface. The ADS1120 is
offered in a leadless QFN-16 or a TSSOP-16
Portable Instrumentation
package and is specified over a temperature range of
Factory Automation and Process Controls
–40°C to +125°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 © 2013–2014, 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 - ADS1120IRVAT

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Texas Instruments
ADS1120IRVAT TI1-ADS1120IRVAT Datasheet
2Mb / 57P
[Old version datasheet]   Low-Power, Low-Noise, 16-Bit, Analog-to-Digital Converter for Small-Signal Sensors
ADS1120IRVAT TI1-ADS1120IRVAT Datasheet
2Mb / 71P
[Old version datasheet]   Low-Power, Low-Noise, 16-Bit ADC for Small-Signal Sensors
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Mô tả tương tự - ADS1120IRVAT

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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