MLX90366 datasheet(10/34 Pages) MELEXIS

10 / 34 page

MLX90366

Triaxis



Position Sensor Assembly feat. SENT

MLX90366

Page 10 of 34

Datasheet

Rev. 1.0

25/Jun/13

MLX90366 Timing Specification

DC Operating Parameters at VDD = 5V (unless otherwise specified) and for TA as specified by the

Temperature suffix (L).

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Main Clock Frequency

All contributors (trimming accuracy,

supply voltage, thermal and ageing)

12.6

13.3

MHz

Main Clock Frequency Thermal

Drift

TCk

 3%

CkNOM

Tick time

Exact value for Ck = 13.3 MHz

The typical value will be affected

by any variation of the clock

μs

SENT Frame Period

tframe

882

μs

Internal Angle Measurement

Period

tper

441

μs

First Angle Measurement to

Sync Pulse latency

ta1

1084

μs

Second Angle Measurement to

Sync Pulse latency

ta2

643

μs

Field Change to SENT Data :

Average Latency

Latency

FILTER = 1 (recommended)

SENT Transmission Included

1745

μs

SENT Frame Tick Count

294

Watchdog

twd

114.5

118

121.5

Start-up Time (up to first sync

pulse)

tsu1

1.8

Start-up Time (up to first data

received)

tsu2

Last pause pulse not included

5.9

6.3

Serial Message

Extended sequence ( 18 frames )

Short sequence ( 8 frames )

15.876

7.056

Rise Time @ Cable

Thresholds : 0.5V and 4.5V

See section 8.2

2.97

5.31

μs

Rise Time @ Receiver

5.07

6.84

μs

Fall Time @ Cable

2.65

2.82

μs

Fall Time @ Receiver

4.84

4.9

μs

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