ADS1248IPWR

Effective Inventory5,386

24-bit, 2-kSPS, eight-channel delta-sigma ADC for precision sensor measurement 28-TSSOP -40 to 125

  • Manufacturer Part # : ADS1248IPWR

  • Package/Case: TSSOP-28

  • Brand: Texas Instruments

  • Product Categories : Analog to Digital Converters (ADC)

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AboutAfterSalesService

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Initiate the application within 90 days from the shipment date.

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ADS1248IPWR DataSheet

Quick Inquiry

Please submit RFQ for ADS1248IPWR or email to us: Email: [email protected], we will contact you in 12 hours.

Details

for the ADS1248The ADS1246, ADS1247, and ADS1248 are highly-integrated, precision, 24-bit analog-to-digital converters (ADCs). The devices feature an onboard, low-noise, programmable gain amplifier (PGA), a precision delta-sigma (ΔΣ) ADC with a single-cycle settling digital filter, and an internal oscillator. The ADS1247 and ADS1248 also provide a built-in, very low drift voltage reference with 10-mA output capacity, and two matched programmable current digital-to-analog converters (DACs). The devices provide a complete front-end solution for temperature sensor applications including thermal couples, thermistors, and resistance temperature detectors (RTDs).An input multiplexer supports four differential inputs for the ADS1248, two for the ADS1247, and one for the ADS1246. In addition, the multiplexer has a sensor burn-out detect, voltage bias for thermocouples, system monitoring, and general-purpose digital I/Os (ADS1247 and ADS1248). The onboard, low-noise PGA provides selectable gains of 1 to 128. The ΔΣ modulator and adjustable digital filter settle in only one cycle, for fast channel cycling when using the input multiplexer, and support data rates up to 2 kSPS. For data rates of 20 SPS or less, both 50-Hz and 60-Hz interference are rejected by the filter.

ADS1248IPWR

Key Features

  • 24 Bits, No Missing Codes
  • Programmable Data Rates Up to 2 kSPS
  • Single-Cycle Settling for All Data Rates
  • Simultaneous 50-Hz and 60-Hz Rejection at 20 SPS
  • Analog Multiplexer With 8 (ADS1248) and 4 (ADS1247) Independently Selectable Inputs
  • Low-Noise PGA: 48 nVRMS at PGA = 128
  • Dual-Matched Programmable Excitation Current Sources
  • Low-Drift Internal 2.048-V Reference: 10 ppm/°C (Maximum)
  • Sensor Burn-Out Detection
  • 4 or 8 General-Purpose I/Os (ADS1247, ADS1248)
  • Internal Temperature Sensor
  • Power Supply and VREF Monitoring (ADS1247, ADS1248)
  • Self and System Calibration
  • SPI™-Compatible Serial Interface
  • Analog Supply: Unipolar (2.7 V to 5.25 V) and Bipolar (±2.5 V) Operation
  • Digital Supply: 2.7 V to 5.25 V
  • Operating Temperature –40°C to 125°C
  • APPLICATIONS
    • Temperature Sensor Measurements:
      • RTDs, Thermocouples, and Thermistors
    • Pressure Measurements
    • Flow Meters
    • Factory Automation and Process Controls

All other trademarks are the property of their respective owners

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid ADS1248IPWR Pbfree Code Yes
Rohs Code Yes Part Life Cycle Code Active
Part Package Code SSOP Pin Count 28
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Analog Input Voltage-Max 2.048 V
Analog Input Voltage-Min -2.048 V Converter Type ADC, DELTA-SIGMA
JESD-30 Code R-PDSO-G28 JESD-609 Code e4
Length 9.7 mm Linearity Error-Max (EL) 0.0015%
Moisture Sensitivity Level 2 Number of Analog In Channels 8
Number of Bits 24 Number of Functions 1
Number of Terminals 28 Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C Output Bit Code 2'S COMPLEMENT BINARY
Output Format SERIAL Package Body Material PLASTIC/EPOXY
Package Code TSSOP Package Equivalence Code TSSOP28,.25
Package Shape RECTANGULAR Package Style SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel) 260 Power Supplies 5 V
Qualification Status Not Qualified Sample Rate 0.002 MHz
Seated Height-Max 1.2 mm Supply Voltage-Min 2.7 V
Supply Voltage-Nom 5 V Surface Mount YES
Temperature Grade INDUSTRIAL Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form GULL WING Terminal Pitch 0.65 mm
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) 30
Width 4.4 mm

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification ADS1248IPWR PDF Download

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