ADS1018 - 具有集成 MUX、PGA、温度传感器、振荡器和参考的 12 位 ADC

ADS1018是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS1018是具有集成 MUX、PGA、温度传感器、振荡器和参考的 12 位 ADC，本站介绍了ADS1018的封装应用图解、特点和优点、功能等，并给出了与ADS1018相关的TI元器件型号供参考。

ADS1018 - 具有集成 MUX、PGA、温度传感器、振荡器和参考的 12 位 ADC - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品特性

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

产品应用

Temperature Measurement:
- Thermocouple Measurement
- Cold-Junction Compensation
- Thermistor Measurement
Portable Instrumentation
Factory Automation and Process Controls

产品说明

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™).

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
ADS1018	X2QFN (10)	1.50 mm × 2.00 mm
ADS1018	VSSOP (10)	3.00 mm × 3.00 mm

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