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iC-VP
PHOTOSWITCH
FEATURES High spectral sensitivity Sensitive to visible light and near infrared Adjustable threshold Short switching time Supply voltage of 4.5..16V CMOS/LSTTL-compatible output Photosensor size: 400x400m Option: enhanced temperature range of -40..125C APPLICATIONS Receiver for reflecting and nonreflecting light barriers Multi-chip modules for absolute encoders
PACKAGES
customized COB
chip size 2.17mm x 1.0mm
TO18-4L/F
BLOCK DIAGRAM
4.5..16V
VCC AMP COMP DRIVER A OUT
-Ai
iph
1 k
iC-VP
THRESHOLD GND ISET
Rset 10k
(c)1997 iC-Haus GmbH Integrated Circuits Am Kuemmerling 18, D-55294 Bodenheim
Rev A0 Tel +49-6135-9292-0 Fax +49-6135-9292-192 http://www.ichaus.com
iC-VP
PHOTOSWITCH
Rev A0, Page 2/5 DESCRIPTION The iC-VP device is a photocurrent amplifier with downstream threshold switch and monolithic integrated sensor diode. The device functions as a photoelectric detector, in light barriers for example. The threshold is adjusted with an external resistor. After approx. 1s delay a photocurrent of sufficient size creates a low signal which is compatible with CMOS and LSTTL levels at the output. The iC-VP can be utilized in a customized COB package as a multi-chip module for multi-channel scanning absolute encoders. TO18 metal can packages are available for single-channel light barrier applications.
PACKAGES TO18-4 PACKAGE LABEL iC-VP Code yyww PHYSICAL DIMENSIONS (dimensions given in mm)
PIN CONFIGURATION (top view)
PIN FUNCTIONS No. Name Function
1 2 3 4
GND A ISET VCC
Ground Output Threshold Adjustment; Attachment RSET Supply Voltage 4.5..16V
optical input from top
iC-VP
PHOTOSWITCH
Rev A0, Page 3/5 ABSOLUTE MAXIMUM RATINGS
Values beyond which damage may occur; device operation is not guaranteed. Item Symbol Parameter Conditions Fig. Min. G001 VCC G002 V(A) G003 I(A) TG1 Tj TG2 Ts Supply Voltage Voltage at Output A Current in Output A Junction Temperature Storage Temperature 0 0 -5 -40 -40 Max. 18 VCC 8 130 130 V V mA C C Unit
THERMAL DATA
Operating Conditions: VCC= 4.5..16V Item Symbol Parameter Conditions Fig. Min. T1 Ta Operating Ambient Temperature Range (extended temperature range on request) TO18-4 package -25 Typ. Max. 90 C Unit
TYPICAL CHARACTERISTICS
Directional characteristics Srel()
Relative spectral sensitivity Srel()
All voltages are referenced to ground unless otherwise noted. All currents into the device pins are positive; all currents out of the device pins are negative.
iC-VP
PHOTOSWITCH
Rev A0, Page 4/5 ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC= 4.5..16V, Tj= -40..125C, unless otherwise noted Item Symbol Parameter Conditions Tj C Total Device 001 VCC 002 I(VCC) Permissible Supply Voltage Supply Current in VCC, Output hi I(A)= 0, iph= 0, A= hi; RSET= 1.4k RSET= 7k RSET= 70k I(A)= 0, iph= 0, A= hi; RSET= 1.4k RSET= 7k RSET= 70k I(A)= 0, A= lo; RSET= 1.4k, iph= 2A RSET= 7k, iph= 200nA RSET= 70k, iph= 20nA I(A)= 0, A= lo; RSET= 1.4k, iph= 2A RSET= 7k, iph= 200nA RSET= 70k, iph= 20nA 27 27 27 4.3 2.2 1.6 0.4 x 0.4 = 850nm Se()= 0.1xS()max -40 27 70 125 500 0.5 1050 5 5 8 50 27 27 27 2.0 1.1 0.8 8.1 5.5 5.0 4.5 16 3.1 1.8 1.5 V mA mA mA mA mA mA mA mA mA mA mA mA Fig. Min. Typ. Max. Unit
003 I(VCC)
Supply Current in VCC, Output hi
004 I(VCC)
Supply Current in VCC, Output lo
005 I(VCC)
Supply Current in VCC, Output lo
Photodiode 006 Aph 007 S()max 008 Se() 009 Ierr Radiant Sensitive Area Spectral Sensitivity Range of Spectral Sensitivity Error Current at Photodiode mm A/W nm nA nA nA nA
25
Photocurrent Amplifier 101 fo Upper Cutoff Frequency triangular waveform iph= 0..(2xIphth); RSET= 1.4k RSET= 7k RSET= 70k
400 200 50
kHz kHz kHz
Comparator 201 Hys Hysteresis in refer to the Photocurrent Threshold Iphth -30 -20 -15 %
Threshold Adjustment ISET 301 V(ISET) Voltage at ISET RSET= 1.4..70k -40 27 70 125 302 TC Temperature Coefficent of V(ISET) -2.05 -40 27 70 125 RSET= 1.4k RSET= 7k RSET= 70k 27 -1.83 -1.87 -1.90 -1.93 1/500 xISET 1/880 xISET 1/1000 xISET 420 780 660 580 480 -1.7 830 mV mV mV mV mV mV/C mV/C mV/C mV/C mV/C
303 Iphth
Photocurrent Threshold for V(A)= lo
iC-VP
PHOTOSWITCH
Rev A0, Page 5/5 ELECTRICAL CHARACTERISTICS
Operating Conditions: VCC= 4.5..16V, Tj= -40..125C, unless otherwise noted Item Symbol Parameter Conditions Tj C Driver Stage, Output A 401 Vs(A)hi 402 Vs(A)lo 403 Isc(A)hi 404 Isc(A)lo Saturation Voltage hi Saturation Voltage lo Short-Circuit Current hi Short-Circuit Current lo Vs(A)hi= VCC-V(A); I(A)= -400A I(A)= 5mA 27 VCC= 16V, V(A)= 0 V(A)= VCC -30 0.22 -15 38 50 1.0 27 0.8 0.4 V V V V mA mA Fig. Min. Typ. Max. Unit
ORDERING INFORMATION
Type iC-VP iC-VP iC-VP
Package customized TO18-4 lens TO18-4 flat
Order designation iC-VP-BLCC type, iC-VP-BMST type iC-VP-TO18-4L IC-VP-TO18-4F
For information about prices, terms of delivery, options for other case types, etc., please contact: iC-Haus GmbH Am Kuemmerling 18 D-55294 Bodenheim GERMANY Tel +49-6135-9292-0 Fax +49-6135-9292-192 http://www.ichaus.com
This specification is for a newly developed product. iC-Haus therefore reserves the right to modify data without further notice. Please contact us to ascertain the current data. The data specified is intended solely for the purpose of product description and is not to be deemed guaranteed in a legal sense. Any claims for damage against us - regardless of the legal basis - are excluded unless we are guilty of premeditation or gross negligence. We do not assume any guarantee that the specified circuits or procedures are free of copyrights of third parties. Copying - even as an excerpt - is only permitted with the approval of the publisher and precise reference to source.

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