He

epc134/epc135/epc136/epc137/epc138/epc139

Sym-

bol

Parameter

Conditions/Comments

Values

Units

Min.

Typ.

Max.

Recovery Time

epc135

epc137

epc138

After the reception of a pulse current

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

110

130

μs

epc134

epc136

epc139

25

Output Pulse Width at pin

OUT

epc135

epc137

epc138

When a valid pulse at pin PD is detected.

17

22

28

μs

epc134

epc136

epc139

1.5

2.0

2.5

Input Pulse Width at pin PD

epc135

epc137

epc138

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

epc134

epc136

epc139

0.75

Input pulse slew rate

epc135

epc137

epc138

maximum rise and fall time of the current pulse at pin

PD in order to achieve the stated sensitivity.

500

ns

epc134

epc136

epc139

50

Photodiode bias resistor

epc135

epc137

epc138

refer to section 'Application Information, Photodiode

Resistor'

27

kΩ

epc134

6.8

epc136

epc139

4.7

© 2014 ESPROS Photonics Corporation

Characteristics subject to change without notice

3

Datasheet_epc134-139_digital-V2.5

www.espros.ch