Produktdetails

Resolution (Bits) 12 Sample rate (max) (ksps) 3.3 Number of input channels 4 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Oscillator, PGA, Small Size, Temp Sensor Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 0.3 Analog supply voltage (min) (V) 2 Analog supply voltage (max) (V) 5.5 Digital supply (min) (V) 2 Digital supply (max) (V) 5.5
Resolution (Bits) 12 Sample rate (max) (ksps) 3.3 Number of input channels 4 Interface type SPI Architecture Delta-Sigma Input type Differential, Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Oscillator, PGA, Small Size, Temp Sensor Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 0.3 Analog supply voltage (min) (V) 2 Analog supply voltage (max) (V) 5.5 Digital supply (min) (V) 2 Digital supply (max) (V) 5.5
VSSOP (DGS) 10 14.7 mm² 3 x 4.9 X2QFN (RUG) 10 3 mm² 1.5 x 2
  • Ultrasmall X2QFN Package
    2 mm × 1.5 mm × 0.4 mm
  • 12-Bit Noise-Free Resolution
  • Wide Supply Range: 2 V to 5.5 V
  • Low Current Consumption:
    • Continuous Mode: Only 150 µA
    • Single-Shot Mode: Automatic Power-Down
  • Programmable Data Rate: 128 SPS to 3300 SPS
  • Single-Cycle Settling
  • Internal Low-Drift Voltage Reference
  • Internal Temperature Sensor:
    2°C (max) Error
  • Internal Oscillator
  • Internal PGA
  • Four Single-Ended or Two Differential Inputs
  • Specified Temperature: –40°C to +125°C
  • Ultrasmall X2QFN Package
    2 mm × 1.5 mm × 0.4 mm
  • 12-Bit Noise-Free Resolution
  • Wide Supply Range: 2 V to 5.5 V
  • Low Current Consumption:
    • Continuous Mode: Only 150 µA
    • Single-Shot Mode: Automatic Power-Down
  • Programmable Data Rate: 128 SPS to 3300 SPS
  • Single-Cycle Settling
  • Internal Low-Drift Voltage Reference
  • Internal Temperature Sensor:
    2°C (max) Error
  • Internal Oscillator
  • Internal PGA
  • Four Single-Ended or Two Differential Inputs
  • Specified Temperature: –40°C to +125°C

The ADS1018 is a precision, low-power, 12-bit, noise-free, analog-to-digital converter (ADC) that provides all features necessary to measure the most common sensor signals in an ultrasmall, leadless, X2QFN-10 or VSSOP-10 package. The ADS1018 integrates a programmable gain amplifier (PGA), voltage reference, oscillator and high-accuracy temperature sensor. These features, along with a wide power-supply range from 2 V to 5.5 V, make the ADS1018 ideally suited for power- and space-constrained, sensor-measurement applications.

The ADS1018 performs conversions at data rates up to 3300 samples per second (SPS). The PGA offers input ranges from ±256 mV to ±6.144 V, allowing both large and small signals to be measured with high resolution. An input multiplexer (mux) allows measurement of two differential or four single-ended inputs. The high-accuracy temperature sensor is used for system-level temperature monitoring, or cold-junction compensation for thermocouples.

The ADS1018 operates either in continuous-conversion mode, or in a single-shot mode that automatically powers down after a conversion. Single-shot mode significantly reduces current consumption during idle periods. Data are transferred through a serial peripheral interface (SPI™).

The ADS1018 is a precision, low-power, 12-bit, noise-free, analog-to-digital converter (ADC) that provides all features necessary to measure the most common sensor signals in an ultrasmall, leadless, X2QFN-10 or VSSOP-10 package. The ADS1018 integrates a programmable gain amplifier (PGA), voltage reference, oscillator and high-accuracy temperature sensor. These features, along with a wide power-supply range from 2 V to 5.5 V, make the ADS1018 ideally suited for power- and space-constrained, sensor-measurement applications.

The ADS1018 performs conversions at data rates up to 3300 samples per second (SPS). The PGA offers input ranges from ±256 mV to ±6.144 V, allowing both large and small signals to be measured with high resolution. An input multiplexer (mux) allows measurement of two differential or four single-ended inputs. The high-accuracy temperature sensor is used for system-level temperature monitoring, or cold-junction compensation for thermocouples.

The ADS1018 operates either in continuous-conversion mode, or in a single-shot mode that automatically powers down after a conversion. Single-shot mode significantly reduces current consumption during idle periods. Data are transferred through a serial peripheral interface (SPI™).

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet ADS1018 Ultrasmall, Low-Power, SPI™-Compatible, 12-Bit, Analog-to-Digital Converter With Internal Reference and Temperature Sensor datasheet (Rev. D) PDF | HTML 11 Sep 2019
Circuit design Precision measurement circuit with 8 different channels and SPI (Rev. A) PDF | HTML 19 Sep 2024
Application note Calculating Conversion Latency and System Cycle Time for Delta-Sigma ADCs (Rev. A) PDF | HTML 18 Mär 2024
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dez 2023
Application note Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 29 Mär 2023
E-book Fundamentals of Precision ADC Noise Analysis (Rev. A) 19 Jun 2020
Analog Design Journal How delta-sigma ADCs work, Part 1 (Rev. A) 19 Sep 2016
E-book Best of Baker's Best: Precision Data Converters -- Delta-Sigma ADCs 19 Mär 2015
Analog Design Journal How delta-sigma ADCs work, Part 2 09 Nov 2011

Design und Entwicklung

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Evaluierungsplatine

ADS1018EVM — Delta-Sigma-ADC-Evaluierungsmodul ADS1018 mit 12 Bit, 3,3 kSPS und vier Kanälen

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Support-Software

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
VSSOP (DGS) 10 Ultra Librarian
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