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24 Bit Analog to Digital Converter 2, 3 Input 1 Sigma-Delta 20-TSSOP

ADS1247IPWR General Description

The ADS1247IPWR from Texas Instruments is a top-notch 24-bit analog-to-digital converter (ADC) designed for precision measurement applications. With its low noise and high-precision capabilities, this ADC is perfect for accurately measuring small signals in industrial, medical, and scientific fields. Its programmable data rates, ranging from 5 SPS to 32 kSPS, provide flexibility in balancing resolution and speed, making it a versatile choice for various applications

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
    • Temperature Sensor Measurements:
      • RTDs, Thermocouples, and Thermistors
    • Pressure Measurements
    • Flow Meters
    • Factory Automation and Process Controls

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Hand-Held Instrumentation

Portable Medical Equipment

Industrial Process Control


Resolution (Bits) 24 Sample rate (max) (ksps) 2
Number of input channels 4 Interface type SPI
Architecture Delta-Sigma Input type Differential, Single-ended
Multichannel configuration Multiplexed Rating Catalog
Reference mode External, Internal Input voltage range (max) (V) 2.125, 4.25
Input voltage range (min) (V) -2.125, 0 Features 50/60 Hz Rejection, Excitation Current Sources (iDACs), GPIO, Oscillator, PGA, Temp Sensor
Operating temperature range (°C) -40 to 105 Power consumption (typ) (mW) 2.3
Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5.25
Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Product Category Analog to Digital Converters - ADC Series ADS1247
Mounting Style SMD/SMT Resolution 24 bit
Number of Channels 4 Channel Interface Type SPI
Sampling Rate 2 kS/s Input Type Differential
Analog Supply Voltage 2.7 V to 5.25 V Digital Supply Voltage 2.7 V to 5.25 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 105 C
DNL - Differential Nonlinearity +/- 1 LSB Height 1 mm
INL - Integral Nonlinearity 15 ppm Length 6.5 mm
Moisture Sensitive Yes Number of Converters 1 Converter
Operating Supply Voltage 2.7 V to 5.25 V Pd - Power Dissipation 2.56 mW
Power Consumption 2.3 mW Product Type ADCs - Analog to Digital Converters
Reference Type External, Internal Factory Pack Quantity 2000
Subcategory Data Converter ICs Supply Voltage - Max 5.25 V
Supply Voltage - Min 2.7 V Width 4.4 mm
Unit Weight 0.002716 oz

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