MLX90363 Datasheet, PDF (10/57 Pages) Melexis Microelectronic Systems – Triaxis® Magnetometer IC With High Speed Serial Interface

MLX90363
Triaxis® Magnetometer IC
With High Speed Serial Interface
10.2. Timing Specification for 3V3 Application Diagram
DC Operating Parameters at VDD = 3.3V and for T_A as specified by the Temperature suffix (E, K)⁹.
Parameter
Symbol
Test Conditions
Min Typ Max
Main Clock Frequency
Ck
13.1
18.8
Frame Rate
FR Trigger Mode 1 (Trg. Mod. 1),
862
Markers 0&2, SCI 2MHz
All other modes, markers and SCI
430
Frequencies
Watchdog time-out
Wd See Section 18
15.3
23.2
Power On to First SCI message tStartUp See Section 14.20
23.2
(Start-up Time)
SCI protocol: Slave-select rising- tShort
139
edge to falling-edge
SCI protocol: EEPROMWrite Time teewrite 3.3V Trimmed oscillator
37
Diagnostic Loop Time
tDiag FR = 862 s^-1,Trg.Mod.1, Mark 0&2
46.4
FR = 430 s^-1
23.2
FR = 215 s^-1
11.6
Internal 1MHz signal
t1us Ck = 19MHz
1
MISO Rise Time
CL = 30pF, RL = 10 kΩ
35
60
MISO Fall Time
CL = 30pF, RL = 10 kΩ
35
60
Magnetic Flux Density Frequency
FR = 862 s^-1(10)
24
FR = 430 s^-1(10)
12
FR = 215 s^-1(10)
4.8
Units
MHz
s^-1
s^-1
ms
ms
us
ms
ms
ms
ms
us
ns
ns
Hz
Hz
Hz
9 _{Please contact Melexis for Timing specification for “L” Temperature suffix.}
10 _{Limitation linked to the Automatic Gain Control. Beyond that frequency, there is a reduced immunity to norm change (like}
vibration). See also Section 19.4.
3901090363
Rev. 005
Page 10 of 57
Data Sheet
Jul/13