KMA310 datasheet(35/71 Pages) NXP

35 / 71 page

NXP Semiconductors

KMA310

Programmable angle sensor IC

KMA310

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Product data sheet

Rev. 3 — 27 February 2019

35 / 71

Table 45. Digital interface

Characteristics are valid for the operating conditions, as specified in Section 12.

Symbol Parameter

Conditions

Min

Typ

Max

Unit

VIH

HIGH-level input voltage

80 %VDD

VIL

LOW-level input voltage

20 %VDD V

VOH

HIGH-level output voltage IO = 2 mA

80 %VDD

VOL

LOW-level output voltage

IO = 2 mA

20 %VDD V

Iod

overdrive current

absolute value for overdriving the

output buffer

tstart

start time

LOW level before rising edge

[1]

µs

tstop

stop time

HIGH level before falling edge

µs

Tbit

bit period

the load capacitance limits the

minimum period

100

µs

ΔTbit

bit period deviation

deviation between received clock and

sent clock

0.8Tbit

1Tbit

1.2Tbit µs

tw0

pulse width 0

0.175Tbit 0.25Tbit 0.375Tbit µs

tw1

pulse width 1

0.625Tbit 0.75Tbit 0.825Tbit µs

tto

time-out time

communication reset guaranteed

after maximum tto

250

µs

ttko(slv)

slave takeover time

duration of LOW level for slave

takeover

µs

ttko(mas)

master takeover time

duration of LOW level for master

takeover

0Tbit

0.5Tbit µs

tprog

programming time

for a single memory address

[1]

In SENT mode, the OUT/DATA pin must be kept HIGH for at least tto before sending the initial command sequence to enter the command mode.

Table 46. Internal capacitances

Characteristics are valid for the operating conditions, as specified in Section 12.

Symbol Parameter

Conditions

Min

Typ

Max

Unit

Cblock

blocking capacitance

[1][2]

100

200

300

load capacitance

[1]

1.1

2.2

3.3

[1]

Measured at 1 MHz.

[2]

Total capacitance between VDD and GND.

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