Vicom Systems FC-FC3 Instrukcja Użytkownika Pobierz pdf (Strona 16)

CONFIDENTIAL [AK8999A/AW/AD]

MS1600-E-00 2014/05

- 16 -

6) Pressure Threshold Detector 1 & 2

VDD = 3, 3.3, 5V ± 10%, Ta = -40 to 105ºC, register default, unless otherwise noted

Parameter Symbol Conditions Min. Typ. Max.

Units

Description

Pressure

detection

threshold

External input

range

Vdete

EINE1[0] = 0h

EINE2[0] = 1h

EPTH1[0] = 1h

0.1*VDD 0.9*VDD V

Pressure

detection

threshold

Internal set

value

Vdet

EPT1, 2[4:0] = 00h

0.500

*VDD

-0.05

0.500

*VDD

0.500

*VDD

+0.05

Pressure

detection

threshold

Internal set

value

Adjust. width

Vdet+

Max

EPT1, 2[4:0] = 10h

0.900

*VDD

Vdet-

Min

EPT1, 2[4:0] = 0Fh

0.125

*VDD

Adjust. step Vdstp 0.025

*VDD

Hysteresis

voltage

Adjust. width

Vhys5+

Max

VDD = 5V ± 10%

EHYS1, 2[1:0] = 1h

0.060

*VDD

-0.055

0.060

*VDD

0.060

*VDD

+0.055

Vhys5-

Min

VDD = 5V ± 10%

EHYS1, 2[1:0] = 2h

0.030

*VDD

-0.03

0.030

*VDD

0.030

*VDD

+0.03

Vhys3+

Max

VDD = 3, 3.3V ± 10%

EHYS1, 2[1:0] = 1h

0.060

*VDD

-0.035

0.060

*VDD

0.060

*VDD

+0.035

Vhys3-

Min

VDD = 3, 3.3V ± 10%

EHYS1, 2[1:0] = 2h

0.030

*VDD

-0.02

0.030

*VDD

0.030

*VDD

+0.02

Adjust. step Vhysst 0.010

*VDD

Pressure

detection time

Tdetr

ESCF[1:0] = 0h

180 μsec Note1)

Pressure

non-detection

time

Tdetf

ESCF[1:0] = 0h

180 μsec Note1)

Note1) Design reference value; no production test performed.

Tdetr

PTH

0.5*VDD

VOUT

DET1, 2

0.5*VDD

Tdetf

Vhys

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 67 68

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