Humidity detection circuit

Example of humidity detection circuit using a resistive humidity sensor

Humidity detection circuit

Lineup

Small surface mount LDO regulator

Part number TCR15AG Series TCR13AG Series TCR8BM Series TCR5BM Series TCR5RG Series TCR3RM Series TCR3U Series TCR2L Series TAR5 Series
Features Low dropout voltage High PSRR High PSRR Low noise Low current consumption Low current consumption 15 V Input voltage Bipolar type
IOUT (Max) [A] 1.5 1.3 0.8 0.5 0.3 0.2

PSRR (Typ.) [dB]

@f = 1 kHz

95 90 98 98 100 100 70 - 70
IB (Typ.) [μA] 25 56 20 19 7 7 0.34 1 170

Low current consumption op-amp / Low noise op-amp

Part number

TC75S102F

TC75S67TU

Package

SMV

UFV

VDD - VSS [V]

1.5 to 5.5

2.2 to 5.5

VIO (Max) [mV]

1.3

3

CMVIN (Max) [V]

VDD

1.4 (@VDD = 2.5 V)

IDD (Typ. / Max) [μA]

0.27 / 0.46 (@VDD = 1.5 V)

430 / 700 (@VDD = 2.5 V)

VNI (Typ.) [nV/√Hz]
@f = 1 kHz

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6

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