IC-ME Datasheet, PDF (1/11 Pages) IC-Haus GmbH – DUAL LIGHT-GRID PULSE RECEIVER

iC-ME
DUAL LIGHT-GRID PULSE RECEIVER
preliminary
Rev A1, Page 1/11
FEATURES
o Dual photo diode inputs with photoelectric amplifier
o Built-in bandpass filter with 300 kHz center frequency
o Differential current-signal output with open drain low-side
drivers
o Nonlinear transfer function results in wide dynamic range of
100 nA to 1.5 mA for pulsed photocurrents
o Fast flash recovery time of max. 30 µs
o Recovery time below 10 µs for excessive photocurrents of up
to 1.8 mA
o Shift register and control logic
o Compatible to CMOS levels
o Single 5 V supply
o Low standby current; circuit activation by input data
o Power-down reset
o ESD protection
o FMEA driven circuit and layout topology
o Suited for high-risk applications according to IEC 61496-1
o Option: extended temperature range of -25 to 85 °C
APPLICATIONS
o Light curtains
o Light barriers
o Electro-sensitive protective
equipment (ESPE)
PACKAGES
DFN10 4 mm x 4 mm
BLOCK DIAGRAM
+5 V
2
VDD
10 _PD0
6 _PD1
1 _DIN
3 _CLK
SAFETY
SWITCHES
LOGIC
INPUTS
6 μA
6 μA
iC-ME
EN1
EN0
SAFEN
NEN
INH
BP-AMPLIFIER
PD
OUTPUT
IAC
IDC
ENA
&
SAFEN
NEN
1
1
1
1
CONTROL
LOGIC
ISUM
ISUM
D Q ^Q1
C
R
D Q ^Q2
C
R
D Q ^Q3
C
R
D Q ^Q4
C
R
D Q ^Q5
C
R
D Q ^Q6
C
R
NPDR
LOGIC OUTPUT
POWER DOWN
RESET
GND
9
SN ⁸
SP ⁵
NC 7
DOUT 4
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