IS900

IS900 MICROPROCESSOR COMPATIBLE SCHMITT TRIGGER OPTICALLY COUPLED ISOLATOR APPROVALS l UL recognised, File No. E91231 DESCRIPTION The IS900 optically coupled isolator consists of a Gallium Arsenide infrared emitting diode and a Microprocessor Compatible Schmitt trigger output mounted in a standard 6 pin dual in line package. FEATURES l Options :10mm lead spread - add G after part no. Surface mount - add SM after part no. Tape&reel - add SMT&R after part no. l High data rate, 1MHz typical (NRZ) l Microprocessor compatible drive l Logic compatible output sinks 16 milliamperes at 0.4 volts maximum l High Isolation Voltage (5.3kVRMS ,7.5kVPK) l High common mode rejection ratio l Fast switching : t rise, t fall = 100nS typical l Wide supply voltage capability, compatible with all popular logic systems l Guaranteed On / Off threshold hysteresis APPLICATIONS l Logic to logic isolator l Line receiver-eliminates noise and transient problems l Programmable current level sensor l AC to TTL conversion - square wave shaping l Digital programming of power supplies l Interfaces computers with peripherals Dimensions in mm 2.54 ±0.25 6.5 ±0.3 1 2 3 1.2 ±0.3 7.12 ±0.3 3.5 ±0.5 0.5typ 2.9 ±0.5 0.5 ±0.1 3.25 ±0.5 0.26 ±0.1 13° Max 7.62 ±0.3 6 VCC 5 GROUND 4 VO ABSOLUTEMAXIMUMRATINGS (25°C unless otherwise specified) Storage Temperature -40°C to + 125°C Operating Temperature -25°C to + 85°C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260°C INPUT DIODE Forward Current, IF Peak forward current Reverse Voltage, VR Power Dissipation (derate linearly 1.41mW / °C above 25°C) 50mA 1A (Pulse width ≤ 100uS, Duty ratio=0.001) 6V 70mW OUTPUTDETECTOR Output Voltage, Vcc Supply Voltage, VOH Output current, IOL Power Dissipation (derate linearly 2mW / °C above 25°C) OPTION SM SURFACE MOUNT OPTION G 7.62 16V 16V 50mA 150mW 0.6 0.1 10.46 9.86 POWER DISSIPATION 1.25 0.75 0.26 10.16 Total Power Dissipation (derate linearly 2.94mW/ °C above 25°C) 170mW ISOCOM COMPONENTS LTD Unit 25B, Park View Road West, Park View Industrial Estate, Brenda Road Hartlepool, Cleveland, TS25 1YD Tel: (01429) 863609 Fax :(01429) 863581 5/3/03 DB92175-AAS/A1 ELECTRICAL CHARACTERISTICS ( TA= 25°C Unless otherwise noted ) PARAMETER Input Forward Voltage (VF ) Forward Voltage (VF ) Reverse Current (IR ) Reverse Breakdown Voltage(VR ) Operating Voltage Range (VCC ) Supply Current I 6 (off ) Output Current High ( IOH ) Supply Current I6 (on ) Output Voltage, Low (VOL ) Turn-on Threshold Current IF (on ) 1.1 MIN TYP MAX UNITS 0.7 1.0 1.1 V V µA V V mA µA mA V mA mA mA 0.9 VRMS VPK µs µs µs µs See note 1 See note 1 TA = 25°C VCC = 5V IF = 4mA RL= 280Ω TEST CONDITION IF = 0.3mA IF = 4mA VR = 3V IR =10 µA IF = 0mA, VCC = 5V IF=0mA,VCC=VO=15V IF = 4mA, VCC = 5V IOL= 16mA, IF = 4mA, VCC = 5V RL= 280Ω, VCC = 5V, TA = 25°C RL= 280Ω, VCC = 5V RL= 270Ω, VCC = 5V 1.4 10 3.0 3 15 5 100 5 0.4 2.0 4.0 Output Coupled Turn-off Threshold Current IF (off ) Hysteresis Ratio IF (off ) / IF (on ) Input to Output Isolation Voltage VIS0 High to Low (tPHL) Fall Time (tf) Low to High (tPLH) Rise Time (tr) Note 1 Note 2 0.3 0.5 5300 7500 1 2 3 0.5 6 0.5 Measured with input leads shorted together and output leads shorted together. Special Selections are available on request. Please consult the factory. SWITCHING CHARACTERISTICS 47Ω 6 VIN tr = tf = 0.01µ sec Z = 50Ω 5 I6 5V VIN 270Ω 4 VO 0.1µF VO tf 50% tPHL VO tPLH VOH 1.5V 90% 10% tr SWITCHINGTESTCIRCUIT 5/3/03 D B92175-AAS/A1 Transfer Characteristics 6 VOH Output voltage low VOL ( V ) 5 Output voltage VO ( V ) 4 IF (off ) 3 2 1 0 0 1 Input current IF (mA) Threshold Current vs. Supply Voltage Threshold current IF ( normalized ) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 2 4 6 8 10 12 14 16 Supply voltage VCC ( V ) Threshold Current vs. Ambient Temperature ( normalized ) IF Normalized to IF (on) at VCC = 5V TA = 25°C Turn-off threshold Forward current IF (mA) Turn-on threshold 100 50 20 10 5 2 1.0 0.5 0.2 0 0 2 RL= 270Ω VCC = 5V TA = 25°C VOL IF (on) 1.0 0.5 On Voltage vs. Load Current 0.2 0.1 0.05 VCC = 5V TA = 25°C 0.02 0 1 2 5 10 20 50 Load current IO (mA) Forward Voltage vs. Forward Current 100°C 25°C -55°C 0.5 1 1.5 2 2.5 3 Forward voltage VF ( V ) Supply Current vs. Supply Voltage TA = 25°C 6 Supply Current IC (mA) IF = 5mA 4 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 -55 -25 0 25 50 75 100 Ambient temperature TA ( °C ) Normalized to VCC = 5V TA = 25°C Threshold current IF (on) IF (off ) 2 IF = 0mA 0 0 2 4 6 8 10 12 14 16 Supply voltage VCC ( V ) D B92175-AAS/A1 5/3/03