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AST Humidity Sensor, HTU20P(F)

HTU20P(F) Humidity Sensor

Brand: American Sensor Technologies Inc
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AST Humidity Sensor, HTU20P(F)
HTU20P(F) is a new humidity and temperature sensor by MEAS.

Setting new standards in terms of size and intelligence, it is embedded in a reflow solderable Dual Flat No leads (DFN) package of 3 x 3 x 0.9 mm foot print. 

This sensor provides calibrated, linearized signals in Analog pulse width modulated (PWM) format. HTU20P(F) humidity sensors are dedicated humidity and temperature plug and play transducers for OEM applications where reliable and accurate measurements are needed. 

These low power sensors are designed for high volume and cost sensitive applications with tight space constraints.
Features
  • Full Interchangeability with no Calibration Required in Standard Conditions
  • Instantaneous Desaturation After Long Periods in Saturation Phase
  • Compatible with Automatized Assembly Processes, Including Pb Free and Reflow Processes
  • Individual Marking for Compliance to Stringent Traceability Requirements

 

1 - 8 of 8 Part Numbers
HTU20D/A
HTU20D/A
  • Accuracy - ± 5% RH Maximum Tolerance at 55% RH
  • Output - Digital, I²C Protocol
  • Filter - Without Embedded PTFE Filter / Membrane
HTU20D/A(F)
HTU20D/A(F)
  • Accuracy - ± 5% RH Maximum Tolerance at 55% RH
  • Output - Digital, I²C Protocol
  • Filter - With Embedded PTFE Filter/Membrane
HTU20P
HTU20P
  • Accuracy - ± 5% RH Maximum Tolerance at 55% RH
  • Output - PWM Interface, Analog Output
  • Filter - Without Embedded PTFE Filter / Membrane
HTU20P(F)
HTU20P(F)
  • Accuracy - ± 5% RH Maximum Tolerance at 55% RH
  • Output - PWM Interface, Analog Output
  • Filter - With Embedded PTFE Filter/Membrane
HTU21D/A
HTU21D/A
  • Accuracy - ± 3% RH Maximum Tolerance at 55% RH
  • Output - Digital, I²C Protocol
  • Filter - Without Embedded PTFE Filter / Membrane
HTU21D/A(F)
HTU21D/A(F)
  • Accuracy - ± 3% RH Maximum Tolerance at 55% RH
  • Output - Digital, I²C Protocol
  • Filter - With Embedded PTFE Filter/Membrane
HTU21P
HTU21P
  • Accuracy - ± 3% RH Maximum Tolerance at 55% RH
  • Output - PWM Interface, Analog Output
  • Filter - Without Embedded PTFE Filter / Membrane
HTU21P(F)
HTU21P(F)
  • Accuracy - ± 3% RH Maximum Tolerance at 55% RH
  • Output - PWM Interface, Analog Output
  • Filter - With Embedded PTFE Filter/Membrane
1 - 8 of 8 Part Numbers

View_Details

Specifications

Brand

Accuracy

  • ± 0.3° C (± 0.54° F) Typical - Temperature Accuracy at 25° C (77° F)
  • ± 3 % Relative Humidity Typical - at 25° C (77° F) (10 to 95 % Relative Humidity) - Relative Humidity Accuracy

Approvals & Certifications

  • RoHS

Communication

  • I²C Protocol
  • PWM Interface, Analog Output

Current

  • -10 to 10 mA - Input Current on Any Pin
  • 14 µA, Max.
  • 40 µA, Max.
  • 5 µA Typical - Current Consumption

Dissipation

  • 15 µW Typical - Power Dissipation
  • 50 µW, Max.

Environmental Protection

  • IP67

Frequency

  • 108 to 132 Hz - PWM Frequency at 40° C (104° F)
  • 120 Hz Typical - PWM Frequency at 40° C (104° F)
  • 2 Hz - Measurement Frequency

Humidity

  • 0 to 100 % Relative Humidity

Hysteresis

  • ± 1 % Relative Humidity Typical - Humidity Hysteresis

Operating Temperature

  • -40° to 125° C (-40° to 257° F)

Recovery Time

  • Relative Humidity: 10 seconds Typical after 150 Hours of Condensation

Resolution

  • 0.01° C - 12-bit Resolution
  • 0.04 % Relative Humidity - 10-bit Resolution

Response Time

  • Relative Humidity: 5 milliseconds Typical, 10 milliseconds, Max.
  • Temperature: 10 seconds Typical (At 63 % of Signal) from 15° to 45° C (59° to 113° F) at 1 m/sec Air Flow

Storage Temperature

  • -40° to 125° C (-40° to 257° F)

Supply Voltage

  • -0.3 to 3.6 Vdc - Vdd to Ground
  • -0.3 to Vdd +0.3 Vdc - Digital I/O Pins (DATA/SCK) to Vdd
  • 1.5-3.6 Vdc
  • 3 Vdc Typical
  • 3.8 Vdc - Supply Voltage (Peak)

Temperature Effect

  • -0.15 % Relative Humidity/°C - Temperature Coefficient from 0° to 80° C (32° to 176° F)

Thermal Drift

  • 0.04° C/Year - Long Term Drift
  • -0.07 to -0.12 Hz/°C - Temperature Drift of PWM Frequency
  • 0.5 % Relative Humidity/Year - Long Term Drift

  • Home Appliance
  • Humidifier
  • Medical
  • Multimedia - Smartphone & Tablet
  • Printers

Documentation

Data Sheets

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