MS7218-A2 Datasheet, PDF (1/4 Pages) Intersema Sensoric SA – PRESSURE SENSOR DIE (0-18 BAR) FOR HARSH ENVIRONMENT

MS7218-A2
PRESSURE SENSOR DIE (0-18 BAR)
FOR HARSH ENVIRONMENT
• 0 to 1800 kPa range (18 bar or 261 PSI)
• Absolute pressure sensors,
• Hermetic sensor, temperature up to 150°C
• Pads on one side
• RoHS-compatible & Pb-free¹
DESCRIPTION
The MS7218-A2 is an absolute silicon micro-machined pressure sensor for harsh environment, with the pads on
one side. A vacuum reference cavity is sealed on top of the sensitive silicon membrane by the anodic bonding of
a glass cap. The pressure, applied on the backside, is converted in electrical signal by piezo-resistors implanted
in the silicon membrane. To improve the sensor stability, a drilled glass is bonded on the backside. As the
pressure port consists of glass and silicon, both stable in most of the chemicals, the MS7218-A2 is suitable for
media-resistive applications.
FEATURES
• Media resistive pressure sensor die
• Output Span 150mV @ 5 V
• Temperature Range -40°…+150°C
• Linearity 0.05% (typical)
• Die Size 1.73 x 1.18 mm²
• Low Cost, High reliability
APPLICATION
• Harsh environments
• Absolute pressure sensor systems
• Braking systems
• Tire pressure
• Engine controls
• Oil pressure
ELECTRICAL CONNECTIONS
Pin Symbol
Description
1 EPI / I diode (-) Epi contact / Cathode of diode (n)
2 Vs+ / I diode (+) Supply voltage / Anode of diode (p)
3
Out+
Positive output*
4
GND
Ground
5
Out-
Negative output*
*Positive output for pressure applied backside
1 _{The European RoHS directive 2002/95/EC (Restriction of the use of certain Hazardous Substances in electrical and electronic equipment)}
bans the use of lead, mercury, cadmium, hexavalent chromium and polybrominated biphenyls (PBB) or polybrominated diphenyl ethers
(PBDE).
DA7218-A2_001.doc
Feb. 15, 2008
1/4
007218A21088
ECN 971