ADS1018
12 Bit, 3,3 kSPS, 4-Kanal, Delta-Sigma-ADC mit PGA, Oszillator, VREF, Temperatursensor und SPI
ADS1018
- 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™).
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Technische Dokumentation
Typ | Titel | 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 | |
EVM User's guide | ADS1x18EVM User's Guide | 27 Okt 2020 | ||
E-book | Fundamentals of Precision ADC Noise Analysis | 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
Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.
ADS1018EVM — ADS1018 – Simultan abtastender Delta-Sigma ADC, 12 Bit, 3,3 kSPS, 4 Kanäle – Evaluierungsmodul
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Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
---|---|---|
VSSOP (DGS) | 10 | Ultra Librarian |
X2QFN (RUG) | 10 | Ultra Librarian |
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