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ICPL2730 ICPL2731
HIGH SPEED DUAL CHANNEL OPTICALLY COUPLED ISOLATOR PHOTODARLINGTON OUTPUT
APPROVALS l UL recognised, File No. E91231 DESCRIPTION These dual channel diode-darlington optocouplers use a pair of light emitting diodes and an integrated high gain photon detectors to provide 2500Volts RMS electrical isolation between input and output. Seperate connection for the photodiode bias and output darlington collector improve the speed up to a hundred times that of a conventional photodarlington coupler by reducing the base-collector capacitance. FEATURES l High speed - DC to 200kBits/s operation l High Common Mode Transient Immunity 10kV/s typical l TTL Compatible - 0.1V VOL typical l Low Input Current Requirement - 0.5mA l High Current Transfer Ratio - 2000% typ. l Open Collector Output l 2500V RMS Withstand Test Voltage, 1 min l ICPL2731 has improved noise shield which gives superior common mode rejection 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 Digital logic ground isolation l Telephone ring detector l Current loop receiver
OPTION SM
SURFACE MOUNT
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 * 7.62 5
* ICPL2731 NOISE SHIELD
0.3
15 Max
ABSOLUTE MAXIMUM RATINGS (25C unless otherwise specified) Storage Temperature -55C to + 125C Operating Temperature -40C to + 85C 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 ) Reverse Voltage Power Dissipation DETECTOR Output Current Supply and Output Voltage ICPL2730 ICPL2731 Power Dissipation 60mA ( 3 ) -0.5 to +7V -0.5 to +18V 100mW (4 ) 20mA ( 1 ) 40mA 5V 35mW( 2 )
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
DB92018-AAS/A2
ELECTRICAL CHARACTERISTICS ( TA= 0C to 70C, VCC = 4.5V Unless otherwise noted ) PARAMETER SYM DEVICE ICPL2731 Current Transfer Ratio (note 5, 6) CTR ICPL2731 ICPL2730 ICPL2731 ICPL2731 Logic Low Output Voltage (note 5) VOL ICPL2731 ICPL2731 ICPL2730 ICPL2731 Logic High Output Current (note 5) IOH ICPL2730 0.01 100 MIN TYP* MAX UNITS 400 500 300 2000
2000 2000
TEST CONDITION IF = 0.5mA,VO = 0.4V IF = 1.6mA,VO = 0.4V IF = 1.6mA, VO = 0.4V IF = 0.5mA, IO= 2mA IF = 1.6mA, IO = 8mA IF = 5mA, IO = 15mA IF = 12mA, IO= 24mA IF = 1.6mA, IO= 4.8mA IF = 0mA VO = VCC = 18V IF = 0mA VO = VCC = 7V IF1= IF2= 1.6mA,VCC=18V VO1= VO2= open IF1= IF2= 1.6mA,VCC=7V VO1= VO2= open IF1= IF2= 0mA,VCC=18V VO1= VO2= open IF1= IF2= 0mA,VCC=18V VO1= VO2= open IF = 1.6mA, TA= 25C IF = 1.6mA IR = 10A,TA= 25C f = 1MHz, VF = 0 R.H.equal to or less than 50%, t = 1min. TA= 25C VI-O = 500V dc f = 1MHz R.H.equal to or less than 50%,t = 5sec.VI-I=500DC VI-I = 500V dc f = 1MHz
% % % 0.4 0.4 0.4 0.4 0.4 100 V V V V V
A A
0.1 0.1 0.1 0.1 0.1 0.01
ICPL2731 Logic Low Supply Current ICCL
0.5
mA
ICPL2730
0.4
mA
ICPL2731 Logic High Supply Current ICCH ICPL2730
5
nA
4
nA
Input Forward Voltage (note 5) Temperature Coefficient of Forward Voltage (note 5) Input Reverse Voltage (note 5) Input Capacitance (note 5) Input-output Isolation Voltage (note 10) Resistance (Input to Output) (note 10) Capacitance (Input to Output) (note 10) Input-Input Insulation (note 7) Resistance (Input to Input) (note7) Capacitance (Input to Input) (note7) * All typicals at TA= 25C
7/12/00
VF
VF TA
1.45 -1.8
1.7
V
mV/C
VR CIN VISO RI-O CI-O II-I RI-I CI-I
5 60 2500 5000 1012 0.6 0.005 1011 0.25
V pF VRMS
pF
A
pF
DB92018-AAS/A2
SWITCHING SPECIFICATIONS AT TA = 25C ( VCC = 5V Unless otherwise noted ) PARAMETER Propagation Delay Time to Logic Low at Output ( fig 1 )( note 5 ) Propagation Delay Time to Logic High at Output ( fig 1 )( note 5 ) Common Mode Transient Immunity at Logic High Level Output ( fig 2 )( note 9 ) Common Mode Transient Immunity at Logic Low Level Output ( fig 2 )( note 8 ) SYM DEVICE tPHL ICPL2731 ICPL2730/1 ICPL2730/1 ICPL2731 ICPL2730/1 ICPL2730/1 MIN TYP MAX UNITS 25 0.5 4.0 20 4 12 1000 10000 100 2 20 60 10 35
s s s s s s
TEST CONDITION IF = 0.5mA,RL = 4.7k IF = 12mA,RL = 270 IF = 1.6mA,RL = 2.2k IF = 0.5mA,RL = 4.7k IF = 12mA,RL = 270 IF = 1.6mA,RL = 2.2k IF = 0mA, VCM = 10VPP RL = 2.2k IF= 1.6mA,VCM= 10VPP RL = 2.2k
tPLH
CMH
V/s
CML
-1000 -10000
V/s
NOTES:1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Derate linearly above 70oC free air temperature at a rate of 0.5 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 0.6 mA/C. Derate linearly above 35oC free air temperature at a rate of 1.7 mW/C. Output power = (Collector output) + (Supply output). Each channel. CURRENT TRANSFER RATIO is defined as the ratio of output collector current,IO , to the forward LED input current, IF times 100%. Measured between pins 1 and 2 shorted together, and pins 3 and 4 shorted together. 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).Measured in volts per microsecond (V/s). 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).Measured in volts per microsecond (V/s). Device considered a two-terminal device: pins 1,2,3, and 4 shorted together and pins 5,6,7 and 8 shorted together.
FIG.1 SWITCHING TEST CIRCUIT
IF VO
PULSE GENERATOR ZO = 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
IF Monitor 100
4
CL = 15pF
7/12/00
DB92018-AAS/A2
FIG. 2 TEST CIRCUIT FOR TRANSIENT IMMUNITY AND TYPICAL WAVEFORMS
VCM 0V VO VO
10V 90% 10% tr tf
IF 10% 90% A 5V VOL B VFF
1 2 3 4 VCM + -
8 7 6 5
5V RL VO
SWITCH AT A: IF = 0mA SWITCH AT B: IF = 1.6mA
PULSE GEN.
Forward Current vs. Forward Voltage 10 4 Forward current I F (mA) 2 1 0.4 0.2 0.1 0.04 0.02 0.01 1.0 TA = 25C Output current I O (mA) 100 90 80 70 60 50 40 30 20 10 1.2 1.4 1.6 0 0
Output Current vs. Output Voltage VCC = 5V TA = 25C IF = 0.5mA / step
Forward voltage VF (V) Current Transfer Ratio vs. Forward Current 10000 TA = 85C Current transfer ratio CTR (%) 4000 2000 1000 TA= 0C TA= -40C 400 200 100 0.1 1.0 10 100 Forward current IF (mA)
7/12/00
1.0 Output voltage VO (V) Supply Current vs. Forward Current
2.0
100 40 Supply current I CCL (mA) 20 10 4 2 1 0.4 0.2 0.1 0.1 1.0 10 Forward current IF (mA) 100 VCC = 18V VCC = 7V ICPL2731 VCC = 18V ICPL2730 VCC = 7V
VO = 0.4V VCC = 5V
DB92018-AAS/A2

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