FEATURES HIGH ISOLATION VOLTAGE BV: 5 k Vr.m.s. MIN HIGH PROPAGATION DELAY TIME, : 5 ns TYP LOW INPUT CURRENT IFHL: 2.5 ma TYP CAN BE SOLDERED BY INFRARED REFLOW SOLDERING TAPING PRODUCT NUMBER PS91L-E3, E4 ESD SENSITIVE HIGH ISOLATION VOLTAGE HIGH SPEED PHOTOCOUPLER ELECTRICAL CHARACTERISTICS (TA = - to +85 C) Diode Detector Coupled DESCRIPTION PS91 PS91L PS91 and PS91L are optically coupled isolators containing a GaAIAs LED on the light emitting side (input side), and a photodiode and a signal processing circuit on the light receiving side (output side), on one chip. PS91 is in a plastic DIP (Dual In-Line Package) and PS91L is in a lead bending type (Gull-wing) for surface mount. APPLICATIONS COMPUTER AND PERIPHERAL MEMORY ELECTRONIC INSTRUMENT AUDIO-VISUAL PART NUMBER PS91, PS91L SYMBOLS PARAMETERS UNITS MIN TYP MAX VF Forward Voltage, IF = ma, TA = 25 C V 1.4 1.65 1.9 IR Reverse Current, VR =, TA = 25 C µa Ct Capacitance, V =, f = 1 MHz, TA = 25 C pf IOH High Level Output Current µa 2 25 VCC = VO = 5., IF = 25 µs, VE = 2 V VOL Low Level Output Voltage V.2.6 VCC = 5., IF = 5 ma, VE = 2 V, IO = 13 ma ICCH High Level Supply Current, VCC = 5., VE =., IF = ma 5 7 ICCL Low Level Supply Current, VCC = 5., VE = 2 V, IF = ma ma 13 18 IEH High Level Enable Current, VCC = 5., VEH = 2 V ma -.7-1 -1.5 IEL Low Level Enable Current, VCC = 5., VEL =. ma -1-1.4-2 IFHL Threshhold Input Current, High Low ma.5 2.5 5, VE = 2 V, TA = - to +85 C, Vo =.8 V, R1-2 Isolation Resistance, Vin-out = 1 k VDC, RH to % Ω 11 C1-2 Isolation Capacitance, V =, f = 1 MHz pf.6 Propagation Delay Time 1, High Low, ns 5 75 Vcc =,,, CL= 15 pf Propagation Delay Time 1, Low High, ns 5 75 Vcc =,,, CL= 15 pf tr Rise Time, Vcc =,,, CL= 15 pf ns tf Fall Time, Vcc =,,, CL= 15 pf ns tehl Enable Propagation 2, Delay Time, High Low ns,, VEH = 3 V, VEL =.,, CL = 15 pf telh Enable Propagation 2, Delay Time, Low High ns 25,, VEH = 3 V, VEL =.,, CL = 15 pf Notes: See Next Page
1. Test Circuit for Propagation delay time Pulse Input 1 VCC 8 PW = 1µs ( IF Duty Cycle = 1/) 2 7 *CL is approximately 15 pf, which includes probe and stray wiring capacitance 2. Test Circuit for enable Propagation delay time ABSOLUTE MAXIMUM RATINGS 1 (TA = 25 C) SYMBOLS PARAMETERS UNITS RATINGS Diode IF Monitor 47 Ω VE Pulse Input PW = 1 µs ( Duty Cycle = 1/) 3 4 GND 5.1 µf VO Monitor *CL IF Forward Current ma 3 VR Reverse Voltage V 5 PD Power Dissipation mw Detector VCC Supply Voltage V 7 VO Output Voltage V 7 IO Output Current ma 5 VE Enable Voltage V 5.5 PC Power Dissipation mw 85 BV Isolation Voltage 2 Vr.m.s. 5 TOP Operating Temperature C - to +85 TSTG Storage Temperature C -55 to +125 Notes: 1. Operation in excess of any one of these parameters may result in permanent damage. 2. AC voltage for 1 minute at TA = 25 C, RH = % between input and output. 6 1 8 2 7 3 6 4 5.1 µf *CL VO IF Monitor Output Monitor VE VO tehl TRUTH TABLE RECOMMENDED OPERATING CONDITIONS (TA = 25 C) PS91, PS91L LED ENABLE OUT ON H L OFF H H ON L H OFF L H ON N/C L OFF N/C H 35 mv () 175 mv (IF = 3.75 ma) 1. VOL PART NUMBER PS91,PS91L SYMBOLS PARAMETERS UNITS MIN TYP MAX IFL Low Level Input Current µa 25 IFH High Level Input Current ma 7 15 VEH High Level Enable Voltage V 2 Vcc VEL High Level Enable Voltage V.8 VCC Supply Voltage V 4.5 5 5.5 TOP Operating Temperature C 25 7 telh 3 V 1.. 1. VOL
PS91, PS91L TYPICAL PERFORMANCE CURVES (TA = 25 C) MAX. Forward Current, IF (ma) Forward Current, IF (ma) Output Voltage, VO (V) 5 3 MAX. FORWARD CURRENT 8 1.1 FORWARD CURRENT vs. FORWARD VOLTAGE TA = C 5 C 25 C C -25 C.1 1. 1.2 1.4 1.6 1.8 2. 2.2 2.4 7 6 5 4 3 2 1 Forward Voltage, VF (V) OUTPUT VOLTAGE vs. FORWARD VOLTAGE RL = Ω RL = 1 k Ω Forward Current, IF (ma) RL VO 2 4 6 8 12 Power Dissipation, PC (ma) Threshold Input Current, IFHL (ma) Low Level Output Voltage, VOL (V) 8 POWER DISSIPATION vs. AMBIENT TEMPERATURE 8 8 6 4 2 THRESHOLD CURRENT vs. AMBIENT TEMPERATURE VE = 2 V VO =.8 V -5-25 25 5 75 LOW LEVEL OUTPUT VOLTAGE VE = 2 V IF = 5 ma IO = 13 ma 1..8..6.4.2-5 -25 25 5 75
PS91, PS91L TYPICAL PERFORMANCE CURVES (TA = 25 C) Propagation Delay Time,, (ns) Propagation Delay Time,, (ns) Enable Propagation Delay Time, tehl, telh (ns) 8 1 PROPAGATION DELAY TIME vs. FORWARD CURRENT Forward Current, IF (ma) RL = 35 W 5 15 25 3 8 PROPAGATION DELAY TIME -5-25 25 5 75 ENABLE PROPAGATION DELAY TIME telh tehl VEH = 3 V VEL =. Propagation Delay Time,, (ns) Switching Time, tr, tf (ns) 5 5 PROPAGATION DELAY TIME vs. LOAD RESISTANCE Load Resistance, RL (Ω) PW = 1 µs, duty 1/ 1 5 1 k 5 k k 5 k 25 15 5 SWITCHING TIME vs. AMBIENT TEMPERATURE -5-25 25 5 75-5 -25 25 5 75 tr tf
PS91, PS91L OUTLINE DIMENSIONS (Units in mm) 4.55 MAX.16 MAX 8 5 1 4 3.8 MAX 2.8 MIN.65 1.34 PS91.5±. 1.27 MAX PIN CONNECTION (Top View) PS91 8 7 6 5 VCC GND 1 2 3 4 7.62 6.5 to 15 3.8 MAX.16 MAX 8 5 1 4 INPUT OUTPUT 1.34±. PS91L 1.27 MAX 7.62 6.5 2.54 9.±.4 PIN Function 1. NC 2. Anode 3. Cathode 4. NC 5. GND 6. VO 7. VE* 8. VCC *VE is pulled - up to enable operation.5 to.2.9±.25
PS91, PS91L RECOMMENDED SOLDERING CONDITIONS (1) Precautions in mounting the devices by infrared reflow soldering Peak reflow temperature 235 C or below (plastic surface temperature) Reflow time 3 seconds or less (Time period during which the plastic surface temperature is 2 C Number of reflows Processes One Flux Rosin flux containing small amount of chlorine (The flux with a max. chlorine content of.2 Wt % is recommended.) Package Surface Temperature T (ßC) 1 to 1 ßC (2) Precautions in mounting the devices in solder dip method INFRARED RAY REFLOW TEMPERATURE PROFILE to 1 s (pre-heat) Time (s) Temperature 2 C or below Time seconds or less Flux Rosin group flux, where the amount of chloride component is small. (Actual heat) to s to 3 s 235 ßC Peak 2 ßC Peak Temperature 23 ºC or Lower EXCLUSIVE NORTH AMERICAN AGENT FOR RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS CALIFORNIA EASTERN LABORATORIES Headquarters 459 Patrick Henry Drive Santa Clara, CA 9554-1817 (8) 988-35 Telex 34-6393 FAX (8) 988-279 24-Hour Fax-On-Demand: 8-39-3232 (U.S. and Canada only) Internet: http://www.cel.com DATA SUBJECT TO CHANGE WITHOUT NOTICE 8/6/1