MAS6505 datasheet(5/44 Pages) MAS

5 / 44 page

DA6505.005

11 June 2018

5 (44)

ELECTRICAL CHARACTERISTICS

TA = -40

oC to +90oC, VDD = 1.71V to 5.5V, Typ TA = 25°C, Typ VDD = VDDIO = 1.8 V, Typ VDDS = 1.68 V, RSENSOR = 6k

unless otherwise noted

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Sensor Input

Noise

Resolution in

Pressure

Measurement

VN_IN_P

VIN=0V

GAINP=14.9 (23.5dB)

OSRP = ¼

OSRP = ½

OSRP = 1

OSRP = 2

OSRP = 4

OSRP = 8

OSRP = 16, note 1

3.7 (14.6)

2.6 (15.1)

1.8 (15.7)

1.2 (16.3)

0.84 (16.8)

0.63 (17.2)

0.44 (17.7)

µVRMS (bit)

VIN=0V

GAINP=55.8 (34.9dB)

OSRP = ¼

OSRP = ½

OSRP = 1

OSRP = 2

OSRP = 4

OSRP = 8

OSRP = 16, note 1

2.3 (13.4)

1.5 (14)

0.98 (14.6)

0.72 (15.1)

0.52 (15.6)

0.36 (16.1)

0.27 (16.5)

µVRMS (bit)

Sensor Input

Noise

Resolution in

Sensor Bridge

Temperature

Measurement

VN_IN_TR

GAINT=14.9 (23.5dB)

OSRT = ¼

OSRT = ½

OSRT = 1

OSRT = 2

OSRT = 4

OSRT = 8

OSRT = 16, note 1

6.3 (13.9)

5.3 (14.1)

4.4 (14.4)

3.6 (14.7)

3 (14.9)

2.5 (15.2)

2.1 (15.4)

µVRMS (bit)

Sensor Input

Noise

Resolution in

External Diode

Temperature

Measurement

VN_IN_TD

GAINT=1 (0dB), SGNGAINT=1

OSRT%= -28%

OSRT = ¼

OSRT = ½

OSRT = 1

OSRT = 2

OSRT = 4

OSRT = 8

OSRT = 16, notes 1 and 2

46 (14.9)

35.2 (15.3)

26.9 (15.7)

20.5 (16.1)

15.6 (16.5)

11.9 (16.8)

9.1 (17.2)

µVRMS (bit)

Note 1. Resolution in bits is calculated as follows: VN_[bit] = log(1400mV / GAINx / VN)/log(2) when VN is the RMS noise voltage at the input

and x=P or T.

Note 2. To avoid signal clipping GAINT=1, SGNGAINT=1 and OFST%= -28% settings must be used in external diode temperature

measurement

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