MLX75030 Datasheet, PDF (64/72 Pages) Melexis Microelectronic Systems – Universal ActiveLight Sensor Interface

MLX75030 Universal ActiveLight Sensor Interface
Datasheet
9. Application Information
9.1. Application circuit for 2 ActiveLight channels and 2 ambient light
channels
Component
C1
C2
R1
R2
M1
M2
LED1/2
PDA / PDB
PDC
PDD
Type
SMD capacitor
SMD capacitor
SMD resistor
SMD resistor
Value
47nF
68nF
6.4 Ohms
56k Ohms
Description
Blocking capacitor, connected to analog GND
Blocking capacitor for int. voltage regulator,
connected to analog GND
Shunt Resistor
Ambient Light Diagnostic termination resistor
LED driver MOSFET
LED driver MOSFET
Active light channel Infrared LED
Active light channel infrared photodiode,
daylight blocking mold
V-lambda photodiode
Photodiode
Table 25: Application circuit components for 2 ActiveLight and 2 ambient light channels
REVISION 005 – DECEMBER 2013
3901075030
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