KP236

Analog Absolute Pressure Sensor

Specification

Data Sheet

20

Revision 1.0, 2010-06-21

3.4

Characteristics

Table 8

Electrical Characteristics

Parameter

Symbol

Values

Unit

Note / Test Condition

Number

Min.

Typ.

Max.

Output voltage

range

V

OUT_R

0.10

–

4.85

V

See also section

“Output Voltage

versus Load” on

Page 15

3.1

Supply current

I

DD

–

8

10

mA

During power up a peak

supply current of max.

22 mA is possible

3.2

Output referred

noise

V

NOISE

–

–

–

–

2.5

1.8

mV

RMS

mV

RMS

Frequency > 1 kHz

1)

Frequency < 1 kHz

1) 200 measurements in sequence, bandwidth limited to 40kHz

3.3

Response time

2)

2) More details in section

“Timing Properties” on Page 16

t

R

–

0.65

1.0

3)

3) The maximum response time considers a maximal value of 100nF for the output blocking capacitor C

pressure pulse equivalent 4.0V output change

ms

10% to 90% of the final

output value

3.4

Stabilization time

2)

t

S

–

–

10

ms

For full accuracy

3.5

Power-up time

2)

t

UP

–

–

5

ms

90% of the final output

value

3.6

Broken wire:

Diagnosis response

time

4)

4) In the event of a broken wire (broken VDD line or broken GND line), the output changes to certain voltage levels within the

broken wire response time. The OBD ranges are determined by the application circuitry

t

OBD

–

–

1

ms

3.7

OBD transistor on

resistance

R

DSON

–

–

160

Ω

3.8