Siemens KPY56R, KPY55R, KPY53R, KPY52R, KPY51R Datasheet

Silicon Piezoresistive

Relative Pressure Sensor

Features

•Low pressure and temperature hysteresis

•Fast response

•High sensitivity and linearity

•Fatigue free monocrystaline silicon diaphragm giving high load cycle stability

•High long term stability

•Built in silicon temperature sensor

•Media compatible stainless housing

KPY 51-R

KPY 56-R

Stainless Steel Package

Type and	Symbol	Pressure Range		Unit	Ordering Code
Marking
KPY 51 R	P0 ¼ PN	0 ¼ 0.25		bar	Q62705-K174
KPY 52 R		0	¼ 0.6		Q62705-K171
KPY 53 R		0	¼ 1.6		Q62705-K176
KPY 54 R		0	¼ 4		Q62705-K178
KPY 55 R		0	¼ 10		Q62705-K180
KPY 56 R		0	¼ 25		Q62705-K182

Pin Configuration

1	Capillary tube
2	+ VIN
3	- VOUT
4	Temperature sensor
	(typ. R25 = 2 kW)
5	Temperature sensor
6	- VIN
7	+ VOUT
8	Not connected

Semiconductor Group

1

02.97

KPY 51-R

KPY 56-R

Absolute Maximum Ratings

Parameter	Symbol		Limit Values1)		Unit
		Frontside		Rearside
Pressure overload	PMAX			2	bar
KPY 51 R		2
KPY 52 R		6		6
KPY 53 R		10		10
KPY 54 R		16		16
KPY 55 R		30		30
KPY 56 R		75		40
Operating temperature range	TA		- 40 ¼ + 125		˚C
Storage temperature range	Tstg		- 50 ¼ + 130		˚C
Supply voltage	VIN		12		V

1)Frontside coupling applies pressure onto chip face.

Rearside coupling applies pressure through Kovar centre tube.

Electrical Characteristics

at TA = 25 ˚C and VIN = 5 V, unless otherwise specified.

Parameter	Symbol		Limit Values			Unit
		min.		typ.	max.
Bridge resistance	RB	4		-	8	kW
Sensitivity	s					mV/
KPY 51 R		16.8		24.0	32.0	Vbar
KPY 52 R		11.0		15.0	24.0
KPY 53 R		5.6		8.8	12.5
KPY 54 R		4.0		6.0	9.0
KPY 55 R		1.8		2.6	4.0
KPY 56 R		0.88		1.2	2.0
Output voltage	Vfin					mV
KPY 51 R		21		30	40
KPY 52 R		33		45	72
KPY 53 R		45		70	100
KPY 54 R		80		120	180
KPY 55 R		90		130	200
KPY 56 R		110		150	250
Offset voltage	V0	- 25		-	+ 25	mV
P = P0

Semiconductor Group

2