EPC111 EPC [Espros Photonics corp], EPC111 Datasheet - Page 3

• Manufacturer Part Number: EPC111
• Description: Fully integrated standalone light barrier driver & receiver
• Manufacturer: EPC [Espros Photonics corp]

Other Data
Other Parameters
(typical values, T
© 2011 ESPROS Photonics Corporation
Characteristics subject to change without notice
Symbol
I
I
I
I
N_Imax
t
t
I
I
N_Imin
C
t
PDDC
pulse
Pulse
Cycle
PDN
PDH
relax
n
n
t
t
PD
R
F
V
M
Photo Current Sensitivity OUTN
Photo Current Sensitivity OUTH
Maximum Input Pulse Current
Input related noise
Input related noise
DC Photo Diode Current
Photodiode Capacitance
LED Pulse Length
LED Cycle Time
Recovery time
Response Time
Release Time (fall time)
Valid pulse counts
Missing pulse counts
Parameter
amb
= 25°C, V
DD
= 3.3V)
120
100
110
90
80
70
60
50
40
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
parameter t
@ I
@ I
generated by ambient light with no effect to
the sensitivity
Refer to section Application Information,
Photodiode Capacitance
after a strong current pulse (I
Minimum time from light beam detection to
status change of the output OUTN or OUTH.
Minimum time from beam interruption to
status change of the output OUTN or OUTH.
Number of valid (non-missing) pulses to
trigger the output. Refer to Functional
Description
Number of missing pulses to release the
output. Refer to Functional Description
Figure 2: Input Sensitivity vs. LED pulse width
t
t
Conditions/Comments
R_MAX
F_MAX
0
PDDC
PDDC
= ( n
= ( n
=0
=I
PDDCMax
M
V
1
relax
+ 1 ) * t
+ 1 ) * t
)
Pulse width [us]
REC
2
Cycle
Cycle
becomes t
3
3
pulse
relax
= 100µA)
. (refer to
4
5
epc112
epc112
epc112
epc112
epc112
epc112
epc112
epc112
epc112
epc112
epc111
epc111
epc111
epc111
epc111
epc111
epc111
epc111
epc111
epc111
Types
6
Min.
0.0
Datasheet epc111_112 - V2.2
Values
Typ.
108
144
100
800
800
60
96
10
30
20
2
1
8
3
8
2
epc111/112
Max.
www.espros.ch
100
100
900
900
15
20
50
50
50
40
30
2
nA
nA
Units
mA
nA
nA
µA
pF
µs
µs
µs
µs
µs
RMS
RMS