Features
■ Humidity range: 0% to 100%RH
■ Automotive grade, AEC-Q100 qualified, Grade 2,
-40°C to +105°C
■ Industrial grade, JEDEC qualified, -40°C to
+125°C
■ Digital I2C output with CRC checksum
■ RH accuracy: ±1.5%RH, typical (HS4001)
■ 14-bit resolution: 0.04%RH, typical
■ Independent programmable resolution settings: 8,
10, 12, 14 bits
■ Fast RH response time: 4 seconds time constant,
typical
■ Temperature sensor accuracy: ±0.2°C, typical
(HS4001, HS4002, -10 to +80°C)
■ Very low current consumption: 0.3μA average (8-
bit resolution, 3.3V supply), 0.62μA average (14-bit
resolution, 3.3V supply), one RH and temperature
measurement per second
■ Excellent stability against aging and volatile
compounds
■ Highly robust protection from harsh environmental
conditions and mechanical shock

Applications
■ Climate control systems
■ Instrumentation
■ Home appliances
■ Weather stations
■ Building automation
■ HVAC systems
■ Medical equipment
■ Data logging systems