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TI ADS1218Y/250RoHS

Manufacturer
TI
MPN
ADS1218Y/250
LCSC Part #
C701620
Packaging
TQFP-48(7x7)
Customer #
Key Attributes
8-Channel, 24-Bit Analog-to-Digital Converter with Flash Memory
Datasheetpdf iconTI ADS1218Y/250
In-Stock: 237
237 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 20.3041$ 20.30
30+$ 19.4587$ 583.76
Standard Packaging250/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Data Acquisition/Analog to Digital Converters (ADC)
ManufacturerTI
PackagingTQFP-48(7x7)
Operating Temperature-40℃~+85℃
InterfaceSPI
Quiescent Current (Iq)1nA
Voltage - Supply2.7V~5.25V
Number of Channels8
Integral non - linearity-
Clock/OscillatorExternal
Clock Frequency2.4576MHz
FeaturesMultiplexers;Built-in temperature sensor;Input buffer;Integrated modulator;Built-in digital filter;Auto calibration;Synchronous triggering
Voltage ReferenceBuilt-in
Resolution(Bits)1kHz;24
S/N Ratio-
ADC architectureSigma-Delta
Programmable GainSupport
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging250
Sales UnitPiece

Introduction

AI Translation

The ADS1218 is a precision, wide dynamic range, delta-sigma, Analog-to-Digital (A/D) converter with 24-bit resolution and Flash memory operating from 2.7V to 5.25V supplies. The delta-sigma, A/D converter provides up to 24 bits of no missing code performance and effective resolution of 22 bits. The eight 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. Burnout current sources are provided that allow for the detection of an open or shorted sensor. An 8-bit Digital-to-Analog (D/A) converter provides an offset correction with a range of 50% of the FSR (Full-Scale Range). The PGA (Programmable Gain Amplifier) 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 sinc filter. The reference input is differential and can be used for ratiometric conversion. The on-board current DACs (Digital-to-Analog Converters) operate independently with the maximum current set by an external resistor. The serial interface is SPI-compatible. Eight bits of digital I/O are also provided that can be used for input or output. The ADS1218 is designed for high-resolution measurement applications in smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation.

Features

AI Translation
  • 24 BITS NO MISSING CODES
  • 0.0015% INL
  • 22 BITS EFFECTIVE RESOLUTION (PGA = 1), 19 BITS (PGA = 128)
  • 4K BYTES OF FLASH MEMORY PROGRAMMABLE FROM 2.7V TO 5.25V
  • PGA FROM 1 TO 128
  • SINGLE CYCLE SETTLING MODE
  • PROGRAMMABLE DATA OUTPUT RATES UP TO 1kHz
  • PRECISION ON-CHIP 1.25V/2.5V REFERENCE: ACCURACY: 0.2% DRIFT: 5ppm/°C
  • EXTERNAL DIFFERENTIAL REFERENCE OF 0.1V TO 2.5V
  • ON-CHIP CALIBRATION
  • PIN-COMPATIBLE WITH ADS1216
  • SPI COMPATIBLE
  • 2.7V TO 5.25V
  • < 1mW POWER CONSUMPTION

Applications

AI Translation
  • INDUSTRIAL PROCESS CONTROL
  • LIQUID/GAS CHROMATOGRAPHY
  • BLOOD ANALYSIS
  • SMART TRANSMITTERS
  • PORTABLE INSTRUMENTATION
  • WEIGHT SCALES
  • PRESSURE TRANSDUCERS