iC-LQNP
PULSE AND AC LIGHT SENSOR
Rev B1, Page 1/10
FEATURES
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Fast response amplifier with on-chip photodiode
High interference immunity due to monolithic design
Active photodiode area of ca. 1 mm²
Suitable for visible light and near infrared
Integrated band-pass filter with 140 kHz center frequency
Maximum gain obtained for pulse light of 1.4 µs and upwards
High LF and DC (ambient) light suppression
Transfer characteristics irrespective of ambient light level
Soft signal and noise limiter with excess ambient light
Fast recovery from flashes
Complementary analogue current source outputs,
transimpedance can be set by external resistor
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Single 5 to 12 V supply, low power consumption also with
bright ambient light
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Options:
customised COB versions
APPLICATIONS
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Receiver for through beam and
reflection light barriers with
background suppression
(sunlight) e.g. for presence
detection in power operated
gates, doors and windows etc.
PACKAGES
TO18-4F/L
cDFN6
oBGA LQ1C
BLOCK DIAGRAM
+4.5...13.2 V
VCC
iC−LQNP
iph
A
f
NOUT
OUT
RL
1..30 k
Ω
Vout
Vnout
AC−AMP
GND
RL
1..30 k
Ω
Copyright © 2009 iC-Haus
ICHAUS [ IC-HAUS GMBH ]
