IR Receiver Module for Light Barrier Systems

Transcription

1 IR Receiver Module for Ligh Barrier Sysems MECHANICAL DATA Pinning: 1 = OUT, 2 = GND, 3 = V S APPLICATIONS Reflecive sensors for hand dryers, owel or soap dispensers, waer fauces, oile flush Vending machine fall deecion Securiy and pe gaes Person or objec viciniy acivaion FEATURES Up o 2 m for presence sensing Uses modulaed burss a 38 khz 940 nm peak wavelengh PIN diode and sensor IC in one package Low supply curren Shielding agains EMI Visible ligh is suppressed by IR filer Insensiive o supply volage ripple and noise Supply volage: 2.5 V o 5.5 V Maerial caegorizaion: for definiions of compliance please see DESCRIPTION The is a compac infrared deecor module for presence sensing applicaions. I receives 38 khz modulaed signals and has a peak sensiiviy of 940 nm. This componen has no been qualified according o auomoive specificaions. PARTS TABLE Carrier frequency 38 khz Package Minicas Pinning 1 = OUT, 2 = GND, 3 = V S Dimensions (mm) 5.0 W x 6.95 H x 4.8 D Mouning Leaded Applicaion Presence sensors BLOCK DIAGRAM PRESENCE SENSING 16833_8 +3 V 3 IR emier Inpu AMP Band pass Demodulaor 33 kω V S 1 OUT Envelope signal 38 khz +3 V PIN 2 GND Ou o μc Rev. 1.4, 31-Aug-15 1 Documen Number: 82479

2 ABSOLUTE MAXIMUM RATINGS PARAMETER TEST CONDITION SYMBOL VALUE UNIT Supply volage V S -0.3 o +6 V Supply curren I S 5 ma Oupu volage V O -0.3 o (V S + 0.3) V Oupu curren I O 5 ma Juncion emperaure T j 100 C Sorage emperaure range T sg -25 o +85 C Operaing emperaure range T amb -25 o +85 C Power consumpion T amb 85 C P o 10 mw Noe Sresses beyond hose lised under Absolue Maximum Raings may cause permanen damage o he device. This is a sress raing only and funcional operaion of he device a hese or any oher condiions beyond hose indicaed in he operaional secions of his specificaion is no implied. Exposure o absolue maximum raing condiions for exended periods may affec he device reliabiliy. ELECTRICAL AND OPTICAL CHARACTERISTICS (T amb = 25 C, unless oherwise specified) PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT E v = 0, V S = 5 V I SD 0.55 ma Supply curren (pin 3) E v = 40 klx, sunligh I SH - - ma Supply volage V S V Transmission disance Oupu volage low (pin 1) Minimum irradiance Maximum irradiance Direciviy E v = 0, es signal see fig. 1, IR diode TSAL6200, I F = 400 ma I OSL = 0.5 ma, E e = 2 mw/m 2, es signal see fig. 1 Pulse widh olerance: pi - 5/f o < po < pi + 6/f o, es signal see fig. 1 pi - 5/f o < po < pi + 6/f o, es signal see fig. 1 Angle of half ransmission disance d m V OSL mv E e min. - mw/m 2 E e max W/m 2 ϕ 1/2 - ± 45 - deg Rev. 1.4, 31-Aug-15 2 Documen Number: 82479

3 TYPICAL CHARACTERISTICS (T amb = 25 C, unless oherwise specified) E e V O V OH V OL Opical Tes Signal (IR diode TSAL6200, I F = A, 30 pulses, f = f 0, = 10 ms) pi * T * pi 10/f 0 is recommended for opimal funcion Oupu Signal 1) 7/f 0 < d < 15/f 0 2) pi - 5/f 0 < po < pi + 6/f 0 d 1) po 2) on, off - Oupu Pulse Widh (ms) on off 0.1 λ = 950 nm, opical es signal, Fig E e - Irradiance (mw/m 2 ) Fig. 1 - Oupu Acive Low Fig. 4 - Oupu Pulse Diagram po - Oupu Pulse Widh (ms) Oupu pulse widh Inpu burs lengh λ = 950 nm, opical es signal, Fig E e - Irradiance (mw/m 2 ) E e min. /E e - Rel. Responsiviy f = f 0 ± 5 % Δ f(3 db) = f 0 / f/f 0 - Relaive Frequency Fig. 2 - Pulse Lengh and Sensiiviy in Dark Ambien Fig. 5 - Frequency Dependence of Responsiviy E e V O V OH V OL Opical Tes Signal 600 µs 600 µs = 60 ms Oupu Signal, (see fig. 4) on off E e min. - Threshold Irradiance (mw/m 2 ) T amb - Ambien Temperaure ( C) Fig. 3 - Oupu Funcion Fig. 6 - Sensiiviy vs. Ambien Temperaure Rev. 1.4, 31-Aug-15 3 Documen Number: 82479

4 S (λ) rel - Relaive Specral Sensiiviy λ - Wavelengh (nm) d rel - Relaive Transmission Disance Fig. 7 - Relaive Specral Sensiiviy vs. Wavelengh Fig. 9 - Verical Direciviy d rel - Relaive Transmission Disance E e min. - Sensiiviy (mw/m 2 ) V S - Supply Volage (V) Fig. 8 - Horizonal Direciviy The ypical applicaion of his device is a reflecive or beam break sensor wih acive low deec or no deec informaion conained in is oupu. Applicaions requiring up o 2 m beam break or 1 m reflecive range benefi from he lower gain of hese sensors because hey are less sensiive o sray signal from he emier, simplifying he mechanical design. Fig Sensiiviy vs. Supply Volage Example for a sensor hardware: Emier TSAL6200 Separaion o avoid crossalk by sray ligh inside he housing IR Receiver TSSP6P38 There should be no common window in fron of he emier and deecor in order o avoid crossalk via guided ligh hrough he window. Rev. 1.4, 31-Aug-15 4 Documen Number: 82479

5 PACKAGE DIMENSIONS in millimeers (4) 2.8 R ± ± ± 0.3 (5.55) (1.54) max nom. max. 0.5 max nom. ± Marking area echnical drawings according o DIN specificaions Drawing-No.: Issue: 12; R 2 No indicaed o lerances ± Rev. 1.4, 31-Aug-15 5 Documen Number: 82479

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