Data Sheet

10
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HTE501
PARAMETER SYMBOL CONDITION / COMMENT TYP UNIT
Power-up time t
PWRU
After V
DD
> V
PORP
, exclude
measurement at power-up
1.1 ms
Reset time t
RESET
Any reset except power-up 0.9 ms
T-Measurement t
T
8 bit resolution 0.3 ms
9 bit resolution 0.6 ms
10 bit resolution 1.2 ms
11 bit resolution 2.3 ms
12 bit resolution 4.5 ms
13 bit resolution 8.9 ms
14 bit resolution 17.8 ms
RH-Measurement t
RH
8 bit resolution 0.1 ms
9 bit resolution 0.3 ms
10 bit resolution 0.5 ms
11 bit resolution 1.0 ms
12 bit resolution 2.0 ms
13 bit resolution 4.1 ms
14 bit resolution 8.1 ms
Measurement calculation
t
CALC
After every measurement 1.2 ms
SCL SDA input filter
t
spike
Short voltage spikes are ignored 25 ns
Table 9: General timing
Subsequently, the typical time from V
DD
> V
PORP
to measurement ready in the standard configuration is:
t
RDY
= t
PWRU
+ t
MEAS
= t
PWRU
+ t
T
+ t
RH
+ t
CALC
= 15.3 ms
Figure 6: Measurement duration