SHT20

SENSIRION AG
Датчик влажности и температуры с цифровым выходом, калиброванный, корпус DFN. Параметры: Диапазон измерения влажности: 0…100%; Точность измерения влажности: ±3 %; Точность измерения температуры: ±0.3 %; Интерфейс: I2C, ШИМ, SDM; Напряжение питания: 2.1…3.6 В; Размеры: 3 x 3 x 1.1; Рабочая температура: -40…+125 °С
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Технические характеристики

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Диапазон измеряемой влажности
Точность при 25°C
Время отклика
Напряжение питания
Особенности
Рабочая температура
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Аналоги 5

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Тип Наименование Корпус Упаковка i Диапазон Линейность Точность Отклик Напряжение Особенности T раб Примечания Карточка
товара
F~ WHT20 (WINSEN) 100 шт MEMS датчик температуры и влажности%
F~ SHT21 (SENSIR) DFN-6 1 шт цифровой датчик влажности, I2C
F~ SHT21P (SENSIR) DFN-6 датчик влажности - Диапазон: 0...100 %; Точность: 2 %; Отклик: 8 с; Напряжение: 2.1...3... Provides calibrated, linearized signals in analog Pulse Width Modulated (PWM) format
F~ SHT21S (SENSIR) DFN-6 1 шт цифровой датчик влажности, SDM цифровой датчик влажности. SDM
F~ SHT25 (SENSIR) DFN-6 1 шт датчик влажности - Примечания: датчик влажности (0-100%) и температуры, I2C датчик влажности (0-100%) и температуры, I2C

Файлы 1

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Datasheet SHT20 Humidity and Temperature Sensor IC Fully calibrated Digital output, I2C interface Low power consumption Excellent long term stability DFN type package – reflow solderable      Product Summary SHT20, the new humidity and temperature sensor of Sensirion is about to set new standards in terms of size and intelligence: Embedded in a reflow solderable Dual Flat No leads (DFN) package of 3 x 3mm foot print and 1.1mm height it provides calibrated, linearized signals in digital, I2C format. With a completely new designed CMOSens® chip, a reworked capacitive type humidity sensor and an improved band gap temperature sensor the performance has been lifted even beyond the outstanding level of the previous sensor generation (SHT1x and SHT7x). For example, measures have been taken to stabilize the behavior at high humidity levels. Dimensions Every sensor is individually calibrated and tested. Lot identification is printed on the sensor and an electronic identification code is stored on the chip – which can be read out by command. Furthermore, the resolution of SHT20 can be changed by command (8/12bit up to 12/14bit for RH/T), low battery can be detected and a checksum helps to improve communication reliability. With made improvements and the miniaturization of the sensor the performance-to-price ratio has been improved – and eventually, any device should benefit from the cutting edge energy saving operation mode. For testing SHT20 a new evaluation Kit EK-H4 is available. Sensor Chip 3.0 SHT20 features a generation 4C CMOSens® chip. Besides the capacitive relative humidity sensor and the band gap temperature sensor, the chip contains an amplifier, A/D converter, OTP memory and a digital processing unit. 2.0 typ 1.4 typ 3.0 SHT20 D0AC4 0.3 typ 0.8 typ 0.2 0.3 Bottom View NC VDD SCL 0.75 0.4 Material Contents 1.1 2.2 While the sensor itself is made of Silicon the sensors‟ housing consists of a plated Cu lead-frame and green epoxy-based mold compound. The device is fully RoHS and WEEE compliant, e.g. free of Pb, Cd and Hg. 0.4 1.5 2.4 1.0 Additional Information and Evaluation Kits 1.0 NC VSS SDA Figure 1: Drawing of SHT20 sensor package, dimensions are given in mm (1mm = 0.039inch), tolerances are ±0.1mm. The die pad (center pad) is internally connected to VSS. The NC pads must be left floating. VSS = GND, SDA = DATA. Numbering of E/O pads starts at lower right corner (indicated by notch in die pad) and goes clockwise (compare Table 2). www.sensirion.com Additional information such as Application Notes is available from the web page www.sensirion.com/SHT20. For more information please contact Sensirion via info@sensirion.com. For SHT20 two Evaluation Kits are available: EK-H4, a four-channel device with Viewer Software, that also serves for data-logging, and a simple EK-H5 directly connecting one sensor via USB port to a computer. Version 3 – December 2011 1/14 PDF
Документация на SHT20 

Datasheet SHT10, SHT11, SHT15

Дата модификации: 07.05.2012

Размер: 543.3 Кб

14 стр.

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