Humidity and Temperature Module

1 Product Description The AHT25 can be widely used in consumer electronics, medical, automotive, industrial, meteorological and other fields, such as: HVAC, dehumidifiers and refrigerators and other home appliances, testing and testing equipment and other related temperature and humidity testi

文件：955.23 Kbytes 页数：14 Pages

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集成式温湿度传感器

AHT25温湿度传感器使用了标准间距的插销式连接器，应用上能方便地更换。AHT25配有一个全新设计的ASIC专用芯片、一个经过改进的半导体电容式湿度传感元件和一个标准的片上温度传感元件，其性能已经大大提升甚至超出了前一代传感器的可靠性水平，新一代温湿度传感器，经过改进使其在恶劣环境下的性能更稳定。每一个传感器都经过严格的校准和测试，并且所有使用了AHT25的设备最终都将实现尖端的节能运行模式。 • 完全标定\r\n• 优异的长期稳定性\r\n• 响应迅速、抗干扰能力强;

ASAIR

奥松电子

丝印：AHT257；Package：WQFN；SN74AHCT257 Quad 2-Input Data Selectors/Multiplexers with Three-State Non- Inverting Outputs

1 Features • Operating range 4.5V to 5.5V VCC • TTL-Compatible inputs • Low delay, 6ns typ (25°C, 5V) • Latch-up performance exceeds 250mA per JESD 17 2 Applications • Data selection • Multiplexing 3 Description The SN74AHCT257 is a quad 2-input data selector/ multiplexer with 3-sta

文件：1.81101 Mbytes 页数：24 Pages

TI

德州仪器

丝印：AHT257；Package：TSSOP；SN74AHCT257 Quad 2-Input Data Selectors/Multiplexers with Three-State Non- Inverting Outputs

1 Features • Operating range 4.5V to 5.5V VCC • TTL-Compatible inputs • Low delay, 6ns typ (25°C, 5V) • Latch-up performance exceeds 250mA per JESD 17 2 Applications • Data selection • Multiplexing 3 Description The SN74AHCT257 is a quad 2-input data selector/ multiplexer with 3-sta

文件：1.81101 Mbytes 页数：24 Pages

TI

德州仪器

丝印：AHT257Q；Package：TSSOP；SN74AHCT257-Q1 Automotive Quad 2-Input Data Selectors/Multiplexers with Three- State Non-Inverting Outputs

1 Features • AEC-Q100 qualified for automotive applications: – Device temperature grade 1: -40°C to +125°C – Device HBM ESD classification level 2 – Device CDM ESD classification level C4B • Available in wettable flank QFN package • Operating range 4.5V to 5.5V VCC • TTL-Compatible inputs

文件：1.8717 Mbytes 页数：26 Pages

TI

德州仪器

丝印：AHT257Q；Package：TSSOP；SN74AHCT257-Q1 Automotive Quad 2-Input Data Selectors/Multiplexers with Three- State Non-Inverting Outputs

1 Features • AEC-Q100 qualified for automotive applications: – Device temperature grade 1: -40°C to +125°C – Device HBM ESD classification level 2 – Device CDM ESD classification level C4B • Available in wettable flank QFN package • Operating range 4.5V to 5.5V VCC • TTL-Compatible inputs

文件：1.87619 Mbytes 页数：27 Pages

TI

德州仪器