SI7022-A10 Datasheet, PDF (9/25 Pages) Silicon Laboratories – Optional factory-installed cover

Si7022-A10
2. Typical Application Circuits
The primary function of the Si7022 is to measure relative humidity and temperature. Figure 4 demonstrates the
typical application circuit to achieve these functions.
C1
0.1 µF
SELECT
1.9 V to 3.6 V
5
U1
V_DD
Si7022
PWM1
1
6 _SELECT
PWM2 ⁴
GND
2
R1
100 k
R2
100 k
C3
1 µF
V_RH/V_TEMP
C2
1 µF
V_TEMP/V_RH
Figure 4. Typical Application Circuit for Relative Humidity and Temperature Measurement
Rev. 1.1
9