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E909-05 Datasheet, PDF (11/67 Pages) ELMOS Semiconductor AG – The HALIOS® multi purpose optical sensor is based on an optical bridge which provides a contactless detec-tion of gestures (e.g. movement of a finger).
HALIOS® MULTI-PURPOSE OPTICAL SENSOR WITH HIGH LIGHT IMMUNITY
E909.05
PRELIMINARY INFORMATION AUG 02, 2011
4.4.4.2 LED Driver 1 -4
No. Parameter
Condition
Symbol Min.
Typ. Max. Unit
1
Regulated proportion of
LED current @ DAC = 0
2
Max. regulated proportion
of LED current (RANGE)
DAC = 0
RANGE = 31
DAC = 1023
IR_MINS
IR_MAXS
5 % of
IR_MAXS 1)
mA
10.0
mA
3
Step size for regulated
current-range configuration
IR_STEPS
312.5
µA
4
Resolution current-range
configuration
NRS
5
bit
5
Max. fixed proportion of
LED current (OFFSET)
OFFSET = 31
IO_MAXS
10.0
mA
6
Step size for fixed offset-
current configuration
IO_STEPS
312.5
µA
7
Resolution offset-current
configuration
NOS
5
bit
8 DC-bias current
IBIAS S
200
µA
Table 4.4.4.2.1 Transmitting path: current sources LED1-4
________
1) IR_MAXS is the maximum current selected with parameter RANGE (Parameter “RANGE” described in
chapter Fehler: Referenz nicht gefunden on page Fehler: Referenz nicht gefunden).
4.4.4.3 LED Driver C
No. Parameter
Condition
Symbol Min.
Typ. Max. Unit
1
Regulated proportion of
LED current @ DAC = 0
2
Max. regulated proportion
of LED current (RANGE)
DAC = 0
RANGE = 31
DAC = 1023
IR_MINC
IR_MAXC
5 % of
IR_MAXS 1)
mA
4.0
mA
3
Step size for regulated
current-range configuration
IR_STEPC
125.0
µA
4
Resolution current-range
configuration
NRC
5
bit
5
Max. fixed proportion of
LED current (OFFSET)
OFFSET = 127
IO_MAXC
5.0
mA
6
Step size for fixed offset-
current configuration
IO_STEPC
40.0
µA
7
Resolution offset-current
configuration
NOC
7
bit
8 DC-bias current
IBIAS C
100
µA
Table 4.4.4.3.1 Transmitting path: current source LEDC
________
1) IRANGEMAXSX is the maximum current selected with parameter RANGE (Parameter “RANGE” described in
chapter Fehler: Referenz nicht gefunden on page Fehler: Referenz nicht gefunden).
This document contains information on a pre-production product. ELMOS Semiconductor AG reserves the right to change specifications and information herein without notice.
ELMOS Semiconductor AG
Data Sheet 11 / 67
QM-No.: 25DS0014E.00