KMA310 datasheet(33/71 Pages) NXP

33 / 71 page

NXP Semiconductors

KMA310

Programmable angle sensor IC

KMA310

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Product data sheet

Rev. 3 — 27 February 2019

33 / 71

aaa-028147

(1)

-20

-16 -13.5

-1 0 1

13.5 16

α1 - α0 (deg)

1.1

1.2

0.6

0.7

0.75

1.35

1.4

ang

(deg)

(2)

(3)

1. −40 °C to +180 °C

2. −40 °C to +160 °C

3. −40 °C to +140 °C

Figure 14. Envelope curve for the magnitude of angular error

Table 44. Dynamics

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

Symbol Parameter

Conditions

Min

Typ

Max

Unit

ton

turn-on time

until first valid result

fupd

update frequency

5.5125

6.25

kHz

settling time

after an ideal mechanical angle step

of 45°, until 90 % of the final value is

reached

[1]

250

400

500

µs

FTTI

fault tolerant time interval

time until the device will go into safe

state after internal error occurs

[2]

tcmd(ent)

enter command mode time after power-on

trec(ov)

overvoltage recovery time after overvoltage

SENT

fupd

update frequency

[3]

1.2

2.2

kHz

SENT clock tick time = 2.7 µs

[4]

2.4

2.67

µs

SENT clock tick time = 3 µs

2.7

3.3

µs

SENT clock tick time = 4.5 µs

3.6

4.5

5.4

µs

Tclk

clock period

SENT clock tick time = 6 µs

4.8

7.2

µs

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