EPC110 EPC [Espros Photonics corp], EPC110 Datasheet - Page 10

• Manufacturer Part Number: EPC110
• Description: Fully integrated configurable light barrier driver & receiver
• Manufacturer: EPC [Espros Photonics corp]

To have still digital compatible signals a level conversion is necessary. Below you find some examples for such circuits for converting OUTH
levels to full CMOS compatible digital output.
© 2011 ESPROS Photonics Corporation
Characteristics subject to change without notice
VDD33
VDD18
PD
<Title>
(additional current approx. 1.6mA or 2.6mA)
epc110
Figure 10: Simple inverting level shifter
+3.3V
VDD
GND
GND
OUTN
OUTH
LED
Figure 9: Non-inverting, low power level shifter (additional current approx. 0.6mA)
R1
1k5
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File:
R2
10k
VDD33
VDD18
PD
epc110
<Title>
T1
BC846 B
+3.3V
VDD
R3
33k
GND
GND
OUTH
OUTN
OUTH
LED
10
R1
3k6
.
PD
VDD33
VDD18
R2
12k
R3
4k7
epc110
+3.3V
Figure 11: Inverting, low power level shifter
VDD
GND
GND
(additional current approx. 0.8 ... 1.0mA)
T1
BC846 B
R4
10k
OUTN
OUTH
<name>
<xx>
LED
OUTH
R1
3k6
R2
12k
R3
4k7
.
T1
BC846 B
R4
22k
Datasheet epc110 - V2.1
24.01.2011
Page 1
www.espros.ch
T2
BC846 B
<name>
<xx>
R5
33k
epc110
.
OUTH
<name>
<xx>