MLX75031 Datasheet, PDF (14/67 Pages) Melexis Microelectronic Systems – Optical Gesture & Proximity Sensing IC

MLX75031
Optical Gesture & Proximity Sensing IC
with Integrated LED Drivers
Datasheet
Pull Down Resistance
of MOSI Pin
RPD
Output voltage Low, Pin MR VOutL
PU -> leakage to GNDD
(causing a voltage drop
across the PU resistor)
IODC = 2mA
50k
0.1
Start-up time after power-on tstartup
Start-up time after power-on
only for SPI
tstartupSPI
Start-up time after wake-up
from sleep
twakeup_slp
Start-up time after wake-up twakeup_st
from standby
by
SPI Clock Frequency
fSCLK =
1/tSCLK
Frequency of Internal RC
fRCO =
Oscillator
1/TRCO
CS low prior to first SCLK
edge
tcs_sclk
CS high after last SCLK edge tsclk_cs
CS high time between
transmissions
Time between CS high and
DR low (*)
WDT initial active window
time
tcs_inter
tcs_dr
twdt_init
WDT open window time
twdt_open
After POR, Watchdog
Reset and Wake-Up
-8% 20 +8%
10
-8% 20 +8%
-8% 20 +8%
0.5 1
5
-8% 2.5 +8%
50
50
50
0
22.47
(239us)
-8% 140 +8%
-8% 70 +8%
WDT closed window time twdt_closed
-8% 70 +8%
MR low time during reset
SLEEPB low after CS high
tMR
After Watchdog Reset -8% 2 +8%
tsleepb
After CSBTY/CSLP
command
0 1.2
Error condition Err_RCO
RCO stuck at High or Low
Error condition Err_Vref
Internal voltage regulator : Err_Vref is set if the regulator does not start
(detection threshold in the range [1V;2V])
Table 10 : SPI specification
Ohm
V
ms
µs
ms
ms
MHz
MHz
ns
ns
ns
µs
ms
ms
ms
ms
µs
(*) with random measurement start, the max time can be up to 239us,
if an auto-zeroing phase of the IC is executed.
REVISION 001 – JANUARY, 2013
39010xxxxx
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