He
epc134/epc135/epc136/epc137/epc138/epc139
Parameter
Conditions/Comments
Min.
Recovery Time
epc135
epc137
epc138
epc134
epc136
epc139
After the reception of a pulse current
(100nA<I
PD
<100μA) at pin PD until a next pulse can
be detected. It is to note that a higher input current
pulse may lead to a secondary output pulse and thus
a longer recovery time.
80
Values
Typ.
110
Max.
130
μs
Units
Sym-
bol
t
REC
25
t
OUT
Output Pulse Width at pin
OUT
epc135
epc137
epc138
epc134
epc136
epc139
When a valid pulse at pin PD is detected.
17
22
28
μs
1.5
2.0
2.5
t
PD
Input Pulse Width at pin PD
epc135
epc137
epc138
epc134
epc136
epc139
Current pulse width at pin PD necessary to generate
an output pulse at pin OUT. The input sensitivity is de -
pendent on the input current pulse width (refer to the
section Applications and Other Parameters).
6
μs
0.75
t
rf
Input pulse slew rate
epc135
epc137
epc138
epc134
epc136
epc139
maximum rise and fall time of the current pulse at pin
PD in order to achieve the stated sensitivity.
500
ns
50
R
PD
Photodiode bias resistor
epc135
epc137
epc138
epc134
epc136
epc139
refer to section 'Application Information, Photodiode
Resistor'
27
kΩ
6.8
4.7
© 2011 ESPROS Photonics Corporation
Characteristics subject to change without notice
3
Datasheet epc13x digital - V2.1
www.espros.ch
EPC [ ESPROS PHOTONICS CORP ]
