PIN CONFIGURATION
Fig. 2: Pin configuration of MS5540B.
Pin Name
Pin
Type
Function
SCLK
VSS
1
2
3
4
5
6
7
8
I
G
N
I
Serial data clock
Ground
PV (1)
PEN (1)
VDD
Negative programming voltage
Programming enable
Positive supply voltage
Master clock (32.768 kHz)
Serial data input
P
I
MCL
DIN
I
DOUT
O
Serial data output
NOTE
1) Pin 3 (PV) and PIN 4 (PEN) are only used by the manufacturer for calibration purposes and should not be
connected.
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Conditions
Min
Max
Unit
Notes
Supply voltage
VDD
TS
Ta = 25 oC
-0.3
-40
4
V
Storage temperature
Overpressure
+85
10
oC
1
2
P
Ta = 25 oC
bar
NOTES
1) Storage and operation in an environment of dry and non-corrosive gases.
2) The MS5540B is qualified referring to the ISO Standard 2281 and can withstand an absolute pressure of 11
bar in salt water or 100 m water respectively.
DA5540B_007
September 25th, 2006
2
00005540767 ECN 865
INTERSEMA [ INTERSEMA SENSORIC SA ]
