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ICPL4502
HIGH SPEED, NON BASE LEAD OPTICALLY COUPLED ISOLATOR PHOTOTRANSISTOR OUTPUT
APPROVALS l UL recognised, File No. E91231 DESCRIPTION These diode-transistor optocouplers use a light emitting diode and an integrated photon detector to provide 2500Volts RMS electrical isolation between input and output. Seperate connection for the photodiode bias and output transistor collector improve the speed up to a hundred times that of a conventional photo-transistor coupler by reducing the base-collector capacitance. FEATURES l High speed - 1 MBits/s l High Common Mode Transient Immunity 10000V/s typical l Pin 7 not connected to give enhanced Noise Immunity l TTL Compatible l 2 MHz Bandwidth l Open Collector Output l 2500V RMS Withstand Test Voltage,1 Min 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 All electrical parameters 100% tested l Custom electrical selections available APPLICATIONS l Line receivers l Pulse transformer replacement l Wide bandwidth analog coupling l Output interface to CMOS-LSTTL-TTL
2.54 1 6.9 6.3 2 3 4 1.3 9.7 9.1 4.0 3.6 0.5 3.3 0.5 1.3
Dimensions in mm 8 7 6 5 7.62
0.3
15 Max
ABSOLUTE MAXIMUM RATINGS (25C unless otherwise specified) Storage Temperature -55C to + 125C Operating Temperature -55C to + 100C Lead Soldering Temperature (1/16 inch (1.6mm) from case for 10 secs) 260C INPUT DIODE Average Forward Current Peak Forward Current ( 50% duty cycle, 1ms pulse width ) Peak Transient Current (equal to or less than 1s P.W., 300 pps) Reverse Voltage Power Dissipation DETECTOR Average Output Current Peak Output Current Supply and Output Voltage Power Dissipation 8mA 16mA -0.5 to +15V 100mW(4 ) 25mA ( 1 ) 50mA ( 2 ) 1.0A 5V 45mW( 3 )
OPTION SM
SURFACE MOUNT
OPTION G 7.62
1.2 0.6 10.2 9.5
1.4 0.9
0.3 10.16
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
7/12/00
ISOCOM INC 1024 S. Greenville Ave, Suite 240, Allen, TX 75002 USA Tel: (214) 495-0755 Fax: (214) 495-0901 e-mail info@isocom.com http://www.isocom.com
DB91008-AAS/A2
ELECTRICAL CHARACTERISTICS ( TA= 0C to 70C Unless otherwise noted ) PARAMETER SYM MIN TYP* MAX UNITS 19 Current Transfer Ratio (note 5) CTR 15 25 % 24 % TEST CONDITION IF = 16mA, VO = 0.4V VCC = 4.5V, TA= 25C IF = 16mA, VO = 0.5V VCC = 4.5V
Logic Low Output Voltage
VOL
0.1
0.4
V
IF = 16mA, IO = 2.4mA VCC = 4.5V, TA= 25C
0.02 Logic High Output Current IOH 0.01
500 1 50
nA
A A A A A
V
IF = 0mA, TA= 25C VO = VCC = 5.5V IF = 0mA, TA= 25C VO = VCC = 15V IF = 0mA VO = VCC = 15V IF = 16mA,VO= open VCC = 15V IF = 0mA, VO= open VCC = 15V, TA= 25C IF = 0mA,VO= open VCC = 15V IF = 16mA, TA= 25C IF = 16mA IR = 10A,TA= 25C f = 1MHz, VF = 0 R.H.equal to or less than 50%, t = 1min. TA= 25C VIO = 500V dc (note 6) f = 1MHz (note 6) VO = 5V, IO = 3mA
Logic Low Supply Current
ICCL 0.02
40 1 2 1.5 -1.6 1.7
Logic High Supply Current Input Forward Voltage Temperature Coefficient of Forward Voltage Input Reverse Voltage Input Capacitance Input-output Isolation Voltage Resistance (Input to Output) Capacitance (Input to Output) Transistor DC Current Gain * All typicals at TA= 25C
ICCH VF
VF TA
mV/C
VR CIN VISO RIO CIO HFE
5 60 2500 5000 1012 0.6 150
V pF VRMS
pF
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DB91008-AAS/A2
SWITCHING SPECIFICATIONS AT TA = 25C ( VCC = 5V, IF = 16mA Unless otherwise noted ) PARAMETER SYM DEVICE MIN TYP MAX UNITS 0.2 0.2 0.8 0.8
s s
TEST CONDITION RL = 1.9k,( note 8 ) RL = 1.9k,( note 8 )
Propagation Delay Time tPHL Logic Low at Output ( fig 1 ) Propagation Delay Time tPLH Logic High at Output ( fig 1) Common Mode Transient Immunity at Logic High Level Output ( fig 2 )
CMH
10000
V/s
IF = 0mA, VCM = 10VPP RL = 1.9k,(note 7,8 )
Common Mode Transient Immunity at Logic Low Level Output ( fig 2 ) Bandwidth NOTES:1. 2. 3. 4. 5. 6. 7.
CML
-10000
V/s
VCM = 10VPP RL = 1.9k,(note 7,8 ) RL = 100, (note 9 )
BW
2
MHz
8. 9.
Derate linearly above 70oC free air temperature at a rate of 0.8 mA/C. Derate linearly above 70oC free air temperature at a rate of 1.6 mA/C. Derate linearly above 70oC free air temperature at a rate of 0.9 mW/C. Derate linearly above 70oC free air temperature at a rate of 1.0 mW/C. CURRENT TRANSFER RATIO is defined as the ratio of output collector current,IO , to the forward LED input current, IF times 100%. Device considered a two-terminal device: pins 1,2,3, and 4 shorted together and pins 5,6,7 and 8 shorted together. Common mode transient immunity in Logic High level is the maximum tolerable (positive) dVcm/dt on the leading edge of the common mode pulse VCM to assure that the output will remain in a Logic High state (i.e. VO > 2.0V). Common mode transient immunity in Logic Low level is the maximum tolerable (negative) dVcm/dt on the trailing edge of the common mode pulse signal, VCM to assure that the output will remain in Logic Low state (i.e. VO< 0.8V). The 1.9k load represents 1 TTL unit load of 1.6mA and the 5.6k pull-up resistor. The frequency at which the a.c. output voltage is 3dB below the low frequency asymptote.
FIG.1 SWITCHING TEST CIRCUIT
IF VO
PULSE GENERATOR Z O = 50 tr = 5ns 0 1.5V tPHL tPLH 5V 1.5V VOL 10% Duty Cycle 1/f < 100s
IF
1 2 3
8 7 6 5 RL
5V
VO CL = 15pF
IF Monitor 100
4
7/12/00
DB91008-AAS/A2
FIG. 2 TEST CIRCUIT FOR TRANSIENT IMMUNITY AND TYPICAL WAVEFORMS
VCM 0V VO VO
10V 90% 10% tr tf 5V B VFF 10% 90% A
IF
1 2 3 4 VCM + -
8 7 6 5
5V RL VO
SWITCH AT A: IF = 0mA SWITCH AT B: IF = 16mA
VOL
PULSE GEN.
Normalized Current Transfer Ratio vs. Forward Current (nA) 1.6 1.5 Normalized current transfer ratio 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 1 Normalized to IF = 16mA VO = 0.4V VCC = 5V TA = 25C 2 5 10 20 50 101
Logic High Output Current vs. Ambient Temperature IF = 0mA VO = VCC = 5V
OH
Logic high output current I
10
0
10-1
10-2
10-3 -55 -25 0 25 50 75 100 Ambient temperature TA ( C ) Normalized Propagation Delay vs. Ambient Temperature 1.5 1.4 Normalized propagation delay 1.3 1.2 1.1 1.0 0.9 0.8 0.7 -25 0 25 Normalized to IF = 16mA VCC = 5V RL = 4.1k TA = 25C 50 70 tPLH tPHL
Forward current IF (mA) Normalized Current Transfer Ratio vs. Ambient Temperature 1.3 Normalized current transfer ratio 1.2 1.1 1.0 0.9 0.8 0.7 Normalized to IF = 16mA VO = 0.4V VCC = 5V TA = 25C -55 -25 0 25 50 75 100 Ambient temperature TA ( C )
7/12/00
Ambient temperature TA ( C )
DB91008-AAS/A2

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