EPC111_17 Datasheet, PDF (8/14 Pages) Espros Photonics corp – Fully integrated standalone light barrier driver & receiver

epc111/112
Below you find some examples for such circuits for converting OUTH levels to full CMOS compatible digital output.
+3.3V
VDD
epc11x
VDD33
VDD18
LED
PD
OUTN
OUTH
GND
R4
10k
R2
R1
12k
OUTH
3k6
T1
BC846 B
R3
4k7
GND
Figure 7: Non-inverting, low power level shifter (additional current ca.0.6mA)
+3.3V
+3.3V
VDD
epc11x
VDD33
R3
R1
33k
1k5
OUTH
VDD
epc11x
VDD33
R2
R1
12k
3k6
VDD18 _<Title>LED
VDD18
LED
PD
File:
This document
is
confidential
OUTN
OUTH
and protected
by
law
and
intern^Rat²ional
trades.
It
T1
BC846 B
must not be shown
to
any
third
party
nor
be
PD
copied in
any
OUTN
OUTH
form^GNw^Dithout our written
permission.
GND
10k
R3
4k7
R4
R5
22k
33k
OUTH
T1
T2
BC846 B <name>BC846 B
<xx>
GND
Figure 8: Simple inverting level shifter
(additional current ca.1.6mA or 2.6mA)
GND
Figure 9: Inverting, low power level shifter
(additional current ca.0.8 ... 1.0mA)
02.12.
Page 1
<Title>
File:
This document is confidential and protected by law and international trades. It must not be shown to any third party nor be copied in any form without our written permission .
cted by law and international trades. It must not be shown to any third party nor be copied in any form without our written permissio.n
<name>
<xx>
02.12.2011
Page 1
<name>
<xx>
© 2013 ESPROS Photonics Corporation
8
Characteristics subject to change without notice
Datasheet epc111_112 - V2.5
www.espros.ch