PRELIMINARY
Features
Applications
nꢀ Lowꢀvoltageꢀoperation
nꢀ Lowꢀcurrentꢀconsumption
nꢀ MiniatureꢀSMDꢀpackageꢀsize
Industrial:ꢀ
nꢀ HVACꢀsystemsꢀ
nꢀ Processꢀmonitoringꢀ
nꢀ Packagingꢀautomation
**Medical:ꢀ
nꢀ Diagnosticꢀequipmentꢀ
nꢀ Analysisꢀequipment
2
nꢀ I Cꢀcommunicationꢀprotocol
nꢀ Establishedꢀreliability
nꢀ Capacitiveꢀtechnology
nꢀ RoHSꢀcompliant*
BPS230 Series - 2 mm Humidity Sensor
Absolute Maximum Ratings
Supply Voltage (V )............................................................................................................................................................................. -0.3 to 7.0 V
cc
Input Voltage (V )
I
CE............................................................................................................................................................................................-0.3 to V + 0.3 V
cc
SCL/SDA........................................................................................................................................................................................... -0.3 to 7.0 V
Output Voltage (VO)....................................................................................................................................................................-0.3 to V + 0.3 V
cc
Hi-level Output Current (IOH)
1 Terminal ................................................................................................................................................................................................... -5 mA
All Terminals Total..................................................................................................................................................................................... -20 mA
Low-level Output Current (IOL)
1 Terminal .....................................................................................................................................................................................................5 mA
All Terminals Total.......................................................................................................................................................................................20 mA
Operating Temperature (T ) ............................................................................................................................. -40°C to +105°C (-40°F to +221°F)
a
Storage Temperature (T ).............................................................................................................................. -50°C to +125°C (-58°F to +257°F)
stg
Recommended Operating Conditions
Power Supply Voltage (V ) ........................................................................................................................................................... 1.62 to 5.5 VDC
cc
Capacitance between V and V (C )............................................................................................................................................. 0.1 µF typical
cc
ss
p
1
Pull Up Resistor Value on SDA (R1)....................................................................................................................................................5 kΩ typical
Pull Up Resistor Value on SCL (R2)....................................................................................................................................................5 kΩ typical
1
1
Select the resistance value to meet AC characteristics.
Electrical Characteristics
Humidity Detection
Measurement Range .................................................................................................................................................................... 0 to 100 % RH
Resolution (10-bit)...................................................................................................................................................................... 0.1 % RH typical
Humidity Accuracy
@ 25 °C (20 to 80 % RH)............................................................................................................................................................... ±3 % RH
@ 5 °C to 45 °C (0 to 100 % RH)................................................................................................................................................... ±5 % RH
Hysteresis @ 5 °C to 45 °C (0 to 100 % RH)............................................................................................................................. ± 1 % RH typical
Response Time
Reach (τ 63 % @ 25 °C, wind velocity @ 1.0 m/s) ...................................................................................................................... 8 seconds
Unless otherwise specified: V
= 1.62 to 5.5 V, V = 0 V, T = -20 °C to 100 °C
SS a
CC
Temperature Detection
Measurement Range ................................................................................................................................ -30 °C to +100 °C (-22 °F to +212 °F)
Resolution (11 bit)
-10 °C to +70 °C.................................................................................................................................................................0.1 °C (32.18 °F)
All other temperatures........................................................................................................................................................0.4 °C (32.72 °F)
Temperature Accuracy
@ 5 °C to 60 °C.............................................................................................................................................................± 0.4 °C (±32.72 °F)
@ -20 °C to 85 °C ...........................................................................................................................................................± 1.0 °C (±33.8 °F)
Reproducibility @ -30 °C to 100 °C ......................................................................................................................................± 0.1 °C (±32.18 °F)
Response Time
Reach (τ 63 % (dependent on surrounding heat conduction) .................................................................................................... 30 seconds
Unless otherwise specified: V
= 1.62 to 5.5 V, V = 0 V, T = -30 °C to 100 °C
SS a
CC
Current Consumption
Sleep Current (CE=0, Sleep Mode)........................................................................................................................10 nA typical, 400 nA maximum
Average Operating Current ..................................................................................................................................... 13 µA typical, 35 µA maximum
Unless otherwise specified: V
= 1.62 to 5.5 V, V = 0 V, T = 0 °C to 60 °C
SS a
CC
ꢀꢀꢀꢀ*ꢀRoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.
ꢀꢀ**ꢀBourns®ꢀproductsꢀhaveꢀnotꢀbeenꢀspecificallyꢀdesignedꢀandꢀtestedꢀforꢀFDAꢀClassꢀIIIꢀapplicationsꢀandꢀequivalentꢀapplicationsꢀcoveredꢀbyꢀotherꢀregulatoryꢀauthorityꢀsuchꢀasꢀtheꢀEuropeanꢀ
ꢀ
Counsel,ꢀandꢀtheirꢀuseꢀinꢀsuchꢀapplicationsꢀisꢀneitherꢀrecommendedꢀnorꢀsupported.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.
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