AHT10

User Guide

11 Expansion performance

1.1 Working conditions

The sensor has stable performance within the

recommended operating range, see Figure 4 . Long-

term exposure to conditions outside the normal range,

especially at humidity >80 %, may result in temporary

signal drift (drift after 60hours +3% RH ). When

returning to normal operating conditions, the sensor

will slowly self-recover to the calibration state. Refer

to Section 2.3, “ Recovery Processing ” to speed up the

recovery process. Prolonged use under abnormal

conditions will accelerate the aging of the product.

-40

-20

0

20

40

60

80

100

(℃)

1.2 RH accuracy at different temperatures

The RH accuracy at 25 °C is defined in Figure 2 , and

the maximum humidity error in other temperature

segments is shown in Figure 5 .

Figure The maximum humidity error in the range of 0 0~80 °C , unit : (%RH) Please

note : The above error is the maximum error ( excluding hysteresis ) of the

reference instrument test with high precision dew point meter . The maximum

error of ± 3% RH typical range of error ± 2% RH, in other ranges, typically 1/2 of

the maximum error value.

1.3 Electrical characteristics

The power consumption given in Table 1 is

related to the temperature and supply voltage

VDD . About power estimation and see Figure 6

7 . Please pay attention to the picture 6 and The

curve in 7 is a typical natural characteristic and

there may be deviations.

Figure 6 VDD = 3.3V , typical supply current vs. temperature (sleep mode).

Please note that these data and display values are approximately ±25% deviation.

Figure 7 shows the relationship between typical supply current and supply

voltage at a temperature of 25 °C .

Curve (sleep mode). Please note that

these data deviate from the displayed values.

Can reach ±50% of the

displayed value . At 60 ° C , the coefficient is about 15

(Compared with Table 2 ).

150

120

90

60

30

温度(℃)