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ADS1242IPWR-ADS1242IPWRG4-ADS1242IPWT-ADS1242IPWTG4 Fast Delivery,Good Price
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ADS1242IPWRBBN/a5000avai24-Bit ADC, 4 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power Consumption
ADS1242IPWRG4TIN/a11avai24-Bit ADC, 4 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power Consumption 16-TSSOP -40 to 85
ADS1242IPWTBBN/a5avai24-Bit ADC, 4 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power Consumption
ADS1242IPWTG4BBN/a5avai24-Bit ADC, 4 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power Consumption 16-TSSOP -40 to 85


ADS1242IPWR ,24-Bit ADC, 4 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power ConsumptionMAXIMUM RATINGSELECTROSTATICV to GND ... –0.3V to +6VDDDISCHARGE SENSITIVITYInput Current 100mA, M ..
ADS1242IPWRG4 ,24-Bit ADC, 4 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power Consumption 16-TSSOP -40 to 85Maximum Ratings may to complete device failure. Precision integrated circuits may because permanent ..
ADS1242IPWT ,24-Bit ADC, 4 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power ConsumptionFEATURES* 24 BITS NO MISSING CODESThe ADS1242 and ADS1243 are precision, wide dynamic* SIMULTANEOUS ..
ADS1242IPWTG4 ,24-Bit ADC, 4 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power Consumption 16-TSSOP -40 to 85Block Diagram, RANGE = 0 ±V /PGA VREFRANGE = 1 ±V /(2 • PGA) VREFDifferential Input Impedance Buffe ..
ADS1243 ,24-Bit ADC, 8 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power ConsumptionMaximum Ratings may to complete device failure. Precision integrated circuits may because permanent ..
ADS1243IPWR ,24-Bit ADC, 8 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power ConsumptionBlock Diagram, RANGE = 0 ±V /PGA VREFRANGE = 1 ±V /(2 • PGA) VREFInput Impedance Buffer OFF 5/PGA M ..
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ADS1242IPWR-ADS1242IPWRG4-ADS1242IPWT-ADS1242IPWTG4
24-Bit ADC, 4 Ch, PGA 1:128, 50/60 Hz Notch, 0.6 mW Power Consumption
24-Bit
ANALOG-TO-DIGIT AL CONVERTER
FEA TURES
24 BITS NO MISSING CODES SIMULTANEOUS 50Hz AND 60Hz REJECTION
(–90dB MINIMUM)
0.0015% INL 21 BITS EFFECTIVE RESOLUTION
(PGA = 1), 19 BITS (PGA = 128)
PGA GAINS FROM 1 TO 128 SINGLE-CYCLE SETTLING PROGRAMMABLE DATA OUTPUT RATES EXTERNAL DIFFERENTIAL REFERENCE
OF 0.1V TO 5V
ON-CHIP CALIBRATION SPI™ COMPATIBLE 2.7V TO 5.25V SUPPLY RANGE 600μW POWER CONSUMPTION UP TO EIGHT INPUT CHANNELS UP TO EIGHT DATA I/O
DESCRIPTION

The ADS1242 and ADS1243 are precision, wide dynamic
range, delta-sigma, analog-to-digital (A/D) converters with
24-bit resolution operating from 2.7V to 5.25V supplies.
These delta-sigma, A/D converters provide up to 24 bits of no
missing code performance and effective resolution of 21 bits.
The input channels are multiplexed. Internal buffering can be
selected to provide a very high input impedance for direct
connection to transducers or low-level voltage signals. Burn-
out current sources are provided that allow for the detection
of an open or shorted sensor. An 8-bit digital-to-analog
converter (DAC) provides an offset correction with a range of
50% of the FSR (Full-Scale Range).
The Programmable Gain Amplifier (PGA) provides selectable
gains of 1 to 128 with an effective resolution of 19 bits at a gain
of 128. The A/D conversion is accomplished with a second-order
delta-sigma modulator and programmable FIR filter that pro-
vides a simultaneous 50Hz and 60Hz notch. The reference input
is differential and can be used for ratiometric conversion.
The serial interface is SPI compatible. Up to eight bits of data
I/O are also provided that can be used for input or output. The
ADS1242 and ADS1243 are designed for high-resolution
measurement applications in smart transmitters, industrial
process control, weight scales, chromatography, and portable
instrumentation.
APPLICATIONS
INDUSTRIAL PROCESS CONTROL LIQUID/GAS CHROMATOGRAPHY BLOOD ANALYSIS SMART TRANSMITTERS PORTABLE INSTRUMENTATION WEIGHT SCALES
ADS1242
ADS1243

SBAS235H – DECEMBER 2001 – REVISED OCTOBER 2013
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.
GND
VDD
VREF+ VREF– XIN XOUT
PDWN DRDY
SCLK
DIN
DOUT
AIN0/D0
AIN1/D1
AIN2/D2
AIN3/D3
ADS1243
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