MLX75031 Datasheet, PDF (11/67 Pages) Melexis Microelectronic Systems – Optical Gesture & Proximity Sensing IC

MLX75031
Optical Gesture & Proximity Sensing IC
with Integrated LED Drivers
Datasheet
Table 5 : Ambient Light Channels Specifications
Ambient Light Channels (Photodiode C & D)
Parameter
Symbol
Test Conditions
Min Typ Max Units
Input current range
for detector C
Input current
threshold level
Input capacity on
ambient PDC
Input current range
for detector D
Input current
threshold level
Input capacity on
ambient PDD
Transfer function
logarithmic
Output Ambient
Channel C
Output Ambient
Channel D
Slope Ambient Channel C
Iambc
Detector C
0.01
1040 uA
Iambc_detect
Detector C
333
nA
Cambc
at 1V, Detector C
1
nF
Iambd
Detector D
0.002
20
uA
Iambd_detect
Detector D
22
nA
Cambd
at 1V, Detector D
100
pF
Vamb
See Section 8.2.2
At VDD=3.3V, Iin=100uA 30464 32768 37376 LSB
At VDD=3.3V, Iin=10uA 30464 32768 37376 LSB
At VDD=3.3V and 105°C 5300 5900 6500 LSB/dec
Slope Ambient Channel D
At VDD=3.3V and 105°C 5300 5900 6500 LSB/dec
Ambient Channels
Linearity Error
for Iin ≥ Iambx_detect
3
5
%
Ambient light word length
16
bits
Ambient light
channel accuracy
Ambient light
response time
Ambient light
measurement
repetition rate
for averaging of 16
measurements
See Section 8.2.4 for a
detailed explanation of
this parameter.
for Iin ≥ Iambx_detect
13
bits
3
ms
10
ms
Error condition Err_Amb
Err_Amb it is set if the output common mode of one ambient channel SC filter is out of range
(meaning > 55% of VCCA for each of the differential outputs).
REVISION 001 – JANUARY, 2013
39010xxxxx
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