ADS1118 - 具有集成 MUX、PGA、温度传感器、振荡器和参考的 16 位 ADC

ADS1118是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS1118是具有集成 MUX、PGA、温度传感器、振荡器和参考的 16 位 ADC，本站介绍了ADS1118的封装应用图解、特点和优点、功能等，并给出了与ADS1118相关的TI元器件型号供参考。

ADS1118 - 具有集成 MUX、PGA、温度传感器、振荡器和参考的 16 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
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: 8 SPS to 860 SPS
Single-Cycle Settling
Internal Low-Drift Voltage Reference
Internal Temperature Sensor: 0.5°C (Maximum) Error: 0°C to 70°C
Internal Oscillator
Internal PGA
Four Single-Ended or Two Differential Inputs

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 ADS1118 is a precision, low power, 16-bit analog-to-digital converter (ADC) that provides all features necessary to measure the most common sensor signals in an ultra-small, leadless X2QFN-10 package or a VSSOP-10 package. The ADS1118 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 ADS1118 ideally suited for power- and space-constrained, sensor-measurement applications.

The ADS1118 can perform conversions at data rates up to 860 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 to measure two differential or four single-ended inputs. The high-accuracy temperature sensor can be used for system-level temperature monitoring or cold-junction compensation for thermocouples.

The ADS1118 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 ADS1118 is specified from –40°C to +125°C.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
ADS1118	X2QFN (10)	1.50 mm × 2.00 mm
ADS1118	VSSOP (10)	3.00 mm × 3.00 mm

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