SPD...G Gauge Pressure Sensor With Bridge Output

SPD…G SMARTEC PRESSURE SENSOR Bridge Output

Features
* Commercial grade
* DIP version for high volume production
* Gauge or absolute pressure
* Resistive bridge technology
* Voltage or current excitation

Applications
* Medical applications
* Blood pressure
* Portable Gauges
* Process control
* HVAC controls

Product description
The Smart Pressure Device SPD series of pressure sensors are silicon based and encapsulated in modified plastic Dual In Line packages, to accommodate six pins for through-board printed circuit mounting.

The sensors come in two distinct types: Gauge and absolute. The gauge type merely measures the pressure with respect to the atmospheric pressure. The absolute type contains a reference vacuum chamber, which is formed on the die during manufacturing.

The output voltages of both types are proportional to the pressure that is measured.

Various pressure ranges are available. On request, other ranges and encapsulations can be supplied. Please contact our sales department for more information.

Because of its bridge resistance value, the SPD pressure sensor is especially suited for use in combination with the Universal Transducer Interface (UTI03), which gives an easy and very accurate interface to a digital environment.

SPD bridge series Performance Characteristic

(Measured @5V excitation and 25 °C.)

Parameter	Min	Typ	Max	Units.
Excitation voltage	0	5	10	V
Excitation current		1,5	3	mA
Offset	-50	0	50	mV
Linearity	-0,3	±0,1	0,3	%FS
Bridge Impedance	2.7	3.3	4.0	KΩ
TC Span (0-50°C)	-27	-22	-17	%FS/100°C
TC Offset (0-50°C)	-7		7	%FS/100°C
TC bridge resistance	23	28	33	%FS/100°C
Hysteresis			0,15	% of range
Repeatability 1)		±0,2	±0,5	FSO
Response time (10-90%)		1		ms
Pressure overload			1,35	Pa (*105 )
Operating temperature	-20		85	°C
Storage temperature	-30		125	°C

The below stated differences yield for the SPD005G and SPD100G only

For SPD005G and SPD100G only
Offset	-20	0	20	mV
Bridge Impedance	4	5	6	KΩ

1) measured after 1,000 temp. cycles 0 – 70 °C, 106 pressure cycles (10-90% FS)

Type	Range	*(105 Pa)**	Min	Typ(FS) Max	Unit
015A	0- 1 abs	90	130	175	mV
005G	0 - 0.350	40	60	80	mV
015G	0 - 1	100	140	175	mV
030G	0 - 2	120	160	200	mV
100G	0 - 6.5	70	100	130	mV

1 Pa = 0.145* 10-3 psi or 1 PSI = 6.89476*103 Pa
1 Bar = 105 Pa = 105 N/m 2

Ordering information

Part no.	Pressure range
SPD005G	0- 0.35 105 Pa (Gauge)
SPD015G	0- 1.0 105 Pa -
SPD030G	0- 2.0 105 Pa -
SPD100G	0- 6.5 105 Pa -

SPD015A	0- 1.0 105 Pa (Absolute, SOIC6)
Other pressure ranges on request