ADS1018-Q1
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, TA
- Functional Safety-Capable
- 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 (maximum) error - Internal oscillator
- Internal PGA
- Four single-ended or two differential inputs
The ADS1018-Q1 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. The ADS1018-Q1 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-Q1 ideally suited for power- and space-constrained, sensor-measurement applications.
The ADS1018-Q1 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-Q1 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-Q1 is specified from –40°C to +125°C.
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技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | ADS1018-Q1 Automotive, Low-Power, SPI™-Compatible, 12-Bit, Analog-to-Digital Converter With Internal Reference and Temperature Sensor datasheet (Rev. B) | PDF | HTML | 2020年 4月 30日 |
Circuit design | Precision measurement circuit with 8 different channels and SPI (Rev. A) | PDF | HTML | 2024年 9月 19日 | |
Application note | Calculating Conversion Latency and System Cycle Time for Delta-Sigma ADCs (Rev. A) | PDF | HTML | 2024年 3月 18日 | |
Application note | Digital Filter Types in Delta-Sigma ADCs (Rev. A) | PDF | HTML | 2023年 3月 29日 | |
EVM User's guide | ADS1x18EVM User's Guide | 2020年 10月 27日 | ||
E-book | Fundamentals of Precision ADC Noise Analysis | 2020年 6月 19日 | ||
Functional safety information | ADS1018-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA | 2020年 3月 11日 | ||
Analog Design Journal | How delta-sigma ADCs work, Part 1 (Rev. A) | 2016年 9月 19日 | ||
Analog Design Journal | How delta-sigma ADCs work, Part 2 | 2011年 11月 9日 |
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