Datasheet

Preliminary Data Sheet SHT3x-ARP
www.sensirion.com November 2014 - 0.9 4/11
2 Specifications
2.1 Electrical Specifications
Parameter
Symbol
Condition
Min
Typ.
Max
Units
Comments
Supply voltage
V
DD
2.4
3.3
5.5
V
Power-up/down level
V
POR
2.22
2.35
2.4
V
Supply current
I
DD
Average
217
A
At a measurement rate
of 2 Hz.
Depends on the resistive
load on the output pins
Output current
AO
IOUT
-100
100
A
Capacitive load
C
L
5
nF
Capacitance that can be
driven by the sensor on
the signal lines
Duration of reset pulse
t
RESETN
350
ns
See section 3.3
Table 3 Electrical specifications, Specification are at 25°C and typical VDD
2.2 Timing Specification for the Sensor System
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Comments
Power-up time
t
PU
After hard reset,
V
DD
≥ V
POR
15
ms
Time between V
DD
reaching
V
POR
and first measurement
signal available
Analog output settling time
AO
settle
For a step of VDD/2
0.3
ms
Time needed for adapting to a
changing supply voltage and
measurement value. Value
depends on output load.
Typical value is for a load of
1nF.
Table 4 System Timing Specification, Specification are at 25°C and typical VDD
2.3 Absolut Minimum and Maximum Ratings
Stress levels beyond those listed in Table 5 may cause permanent damage to the device or affect the reliability of the
sensor. These are stress ratings only and functional operation of the device at these conditions cannot be guaranteed.
Parameter
Rating
Units
Supply voltage V
DD
-0.5 to 6
V
Max Voltage on pins (pin 1 (RH); pin 2
(R); pin 3 (R); pin 4(T); pin 6(nRESET))
-0.5 to VDD+0.5
V
Input current on any pin
±100
mA
Operating temperature range
-40 to 125
°C
Storage temperature range
-40 to 150
°C
ESD HBM (human body model)
4
kV
ESD MM (machine model)
200
V
ESD CDM (charge device model)
750
V
Table 5 Absolut minimum and maximum ratings; values are target specs and not
confirmed by measurements yet