Datasheet

MS5837-02BA
Gel-filled, ultra-compact, water resistant digital pressure and temperature sensor
TE CONNECTIVITY SENSORS /// MS5837-02BA REV A8 12/2019
Page 3
PERFORMANCE SPECIFICATIONS (Continued)
PRESSURE OUTPUT CHARACTERISTICS (V
DD
= 3 V, T = 25°C UNLESS OTHERWISE NOTED)
Parameter
Conditions
Min.
Typ.
Max
Unit
Operating Pressure Range
P
range
300
1200
mbar
Extended Pressure Range
P
ext
Linear Range of
ADC
10
2000
mbar
Relative Accuracy
(1) (4)
600...1000 mbar, at 20°C
300...1100 mbar, 0...60°C
300...1100 mbar, -20...85°C
-0.5
-2
-4
+0.5
+2
+4
mbar
Resolution RMS
OSR
8192
4096
2048
1024
512
256
0.016
0.021
0.028
0.039
0.062
0.11
mbar
Maximum error with supply
voltage
(2)
V
DD
= 1.5 V…3.6 V
±2
mbar
Long-term stability
±2
mbar/yr
Reflow soldering impact
IPC/JEDEC J-STD-020C
(Refer to application note AN808)
±4
mbar
Recovering time after reflow
(3)
7
days
(1)
With autozero at one pressure point
(2)
With autozero at 3V point
(3)
Time to recover at least 66% of reflow impact
(4)
Wet/dry cycle: sensor must be dried typically once a day
TEMPERATURE OUTPUT CHARACTERISTICS (V
DD
= 3 V, T = 25°C UNLESS OTHERWISE NOTED)
Parameter
Conditions
Min.
Typ.
Max
Unit
Relative Accuracy
-20…85°C, 300…1100 mbar
-2
+2
°C
Maximum error with supply
voltage
V
DD
= 1.5 V…3.6 V
±0.3
°C
Resolution RMS
OSR
8192
4096
2048
1024
512
256
0.002
0.003
0.004
0.006
0.009
0.012
°C
DIGITAL INPUTS (SDA, SCL)
Parameter
Symbol
Conditions
Min.
Typ.
Max
Unit
Serial data clock
SCL
400
kHz
Input high voltage
V
IH
80% V
DD
100% V
DD
V
Input low voltage
V
IL
0% V
DD
20% V
DD
V
Input leakage current
I
leak
T = 25 °C
0.1
µA
DIGITAL OUTPUTS (SDA)
Parameter
Symbol
Conditions
Min.
Typ.
Max
Unit
Output high voltage
V
OH
I
source
= 1 mA
80% V
DD
100% V
DD
V
Output low voltage
V
OL
I
sink
= 1 mA
0% V
DD
20% V
DD
V