epc110
SPI Interface Data (for more details refer to “SPI Interface“)
Symbol Parameter
Conditions/Comments
Min.
f
SCK
t
H
t
L
t
rfSCK
t
1
t
SU
t
hold
t
D
t
rf
SCK Clock frequency
High period of SCK
Low period of SCK
Serial clock rise / fall time of SCK
Edge time CS --> SCK
Set-up time of SI
Hold time of SI
Output data of SO valid after SCK
Output data rise / fall time of SO
50
15
15
50
50
Values
Typ.
Max.
10
Units
MHz
ns
ns
20
ns
ns
ns
ns
20
20
ns
ns
Other Data
(refer to “Functional Description“)
Symbol
I
PDN
I
PDH
I
pulse
Parameter
Photo Current Sensitivity OUTN
Photo Current Sensitivity OUTH
Maximum Input Pulse Current
Conditions/Comments
Pulse height to trigger internal threshold
OUTN. Refer to Functional Description
Pulse height to trigger internal threshold
OUTH. Refer to Functional Description
If the input current pulse is above this level,
the recovery time t
REC
becomes t
relax
. (refer to
parameter t
relax
)
@ I
PDDC
=0
@ I
PDDC
=I
PDDCMax
generated by ambient light with no effect to
the sensitivity
Refer to section Application Information,
Photodiode Capacitance
TPULSE
for fork light barrier, standalone mode
for fork light barrier, controlled mode
t
relax
t
R
Recovery time
Response Time
after a strong current pulse (I
pulse
= 100µA)
Minimum time from light beam detection to
status change of the output OUTN or OUTH.
t
R_MAX
= ( n
V
+ 1 ) * t
Cycle
Minimum time from beam interruption to
status change of the output OUTN or OUTH.
t
F_MAX
= ( n
M
+ 1 ) * t
Cycle
Number of weighted valid (non-missing)
pulses to trigger the output.
Refer to Functional Description
Number of weighted missing pulses to
release the output.
Refer to Functional Description
refer to
t
Cycle
/ n
V
refer to
t
Cycle
/ n
M
INC
TPER
0.0
Para-
meter
SENSN
SENSH
Values
Min.
Typ.
Max.
nA
nA
µA
Programmable between
24...108
Programmable between
60...144
100
Units
I
N_Imin
I
N_Imax
I
PDDC
C
PD
t
Pulse
t
Cycle
Input related noise
Input related noise
DC Photo Diode Current
Photodiode Capacitance
LED Pulse Length
LED Cycle Time
15
20
2
50
Programmable between
1…8
Programmable between
5…100'000
controlled by EN input
50
Programmable between
10µs...3.3s
Programmable between
10µs...54.6min
(Programmable between
1…32 pulses)
(Programmable between
1…32'767 pulses)
nA
RMS
nA
RMS
mA
pF
µs
µs
µs
t
F
Release Time (fall time)
n
V
Valid pulse counts
n
M
Missing pulse counts
DEC
© 2011 ESPROS Photonics Corporation
Characteristics subject to change without notice
3
Datasheet epc110 - V2.1
www.espros.ch
EPC [ ESPROS PHOTONICS CORP ]
