MLX75030 Datasheet, PDF (18/72 Pages) Melexis Microelectronic Systems – Universal ActiveLight Sensor Interface

MLX75030 Universal ActiveLight Sensor Interface
Datasheet
SPI and Timing
Parameter
Symbol Test Conditions Min Typ Max Units
SPI word length
8
bit
SPI Clock Frequency
f_SCLK = 1/t_SCLK
0.5
Frequency of Internal RC Oscillator
f_RCO = 1/T_RCO
CS low prior to first SCLK edge
t_{cs_sclk}
50
CS high after last SCLK edge
t_{sclk_cs}
50
CS high time between transmissions
t_{cs_inter}
50
Time between CS high and DR low
t_{cs_dr}
0
Min low time on WAKE_UP pin
t_{wu_l}
100
Min low time on WT pin
WDT initial active window time
t_{wt_l}
t_{wdt_init}
10
After POR, Watchdog
Reset and Wake-Up
WDT open window time
t_{wdt_open}
WDT closed window time
t_{wdt_closed}
MR low time during reset
t_MR
After Watchdog Reset
Start-up time after power-on
t_startup
Start-up time after power-on for SPI
t_{startup_SPI}
Start-up time after wake-up from sleep
t_{wakeup_slp}
Start-up time after wake-up from standby t_{wakeup_stby}
Error condition Err2
1
5
MHz
2.5
±7.5% MHz
ns
ns
ns
21.84
(232us)⁴
µs
µs
µs
140
±7.5%
ms
70
±7.5%
ms
70
±7.5%
ms
2
±7.5%
ms
50
±7.5%
ms
15
µs
50
±7.5%
ms
50
±7.5%
ms
RCO stuck at High or Low
Error condition Err4
Internal voltage regulator : err4 is set if the regulator does not start (detection threshold in the range [1V;2V]
Table 10 : Serial peripheral interface specifications
4 _{with random measurement start, the max time can be up to 232us, if an autozeroing phase of the IC is executed.}
REVISION 005 – DECEMBER 2013
3901075030
PAGE 18 OF 72