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Discontinued
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50 Mbps type

Absolute maximum ratings (Ta = 25°C 77°F)

Item Symbol APS1551S Remarks
Input LED forward current IF 25 mA  
LED reverse voltage VR 5 V  
Peak forward current IFP 1 A f = 100 Hz, Duty factor = 0.1%, 1 shot
Output Supply voltage VCC 6 V  
Output voltage V0 6 V  
Output current I0 10 mA  
Power dissipation Pout 40 mW  
I/O isolation voltage Viso 3,750 V rms  
Temperature
Limits
Operating Topr –40 to +105°C –40 to +221°F Non-condensing at low temperatures
Storage Tstg –40 to +125°C –40 to +257°F  

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Electrical characteristics (Unless otherwise specified, Ta = –40 to 105°C –40 to 221°F, VCC = 4.5 to 5.5V)

Item Symbol APS1551S Condition
Input Threshold input current Max. IFHL 5 mA VCC = 5 V, VO = 0.6 V
LED dropout voltage Min. VF 1.45 V IF = 10 mA, Ta = 25°C 77°F
Typ. 1.6 V
Max. 1.8 V
Input capacitance Typ. Ct 20 pF f = 1 MHz, VB = 0 V, Ta = 25°C 77°F
Output Low level supply current Max. ICCL 5 mA IF = 10 mA
High level supply current Max. ICCH 5 mA IF = 0 mA
Low level output voltage Max. VOL 0.6 V IF = 10 mA, IO = 4 mA, Vcc = 5V
High level output voltage Min. VOH 4.4 V IF = 0 mA, IO = -4 mA, Vcc = 5 V
Item Symbol APS1551S Condition
Transfer
characteristics
Propagation delay time
(H ➝ L)
Max. tpHL 30 ns VIN = 0 ➝ 5 V, RIN = 300 Ω
CIN = 22 pF, CO = 15 pF
Propagation delay time
(L ➝ H)
Max. tpLH 30 ns VIN = 5 ➝ 0 V,, RIN = 300 Ω
CIN = 22 pF, CO = 15 pF
Propagation delay skew Max. tpsk 16 ns
Pulse width distortion Max. |tpHL-tpLH| 10 ns VIN = 5 V/25 MHz, RIN = 300 Ω
CIN = 22 pF, CO = 15 pF
Output fall time Typ. tf 5 ns VIN = 0 ➝ 5 V, RIN = 300Ω
CIN = 22 pF, CO = 15 pF
Output rise time Typ. tr 4 ns VIN = 5 ➝ 0 V, RIN = 300 Ω
CIN = 22 pF, CO = 15 pF
Common mode transient
immunity at low level output
Min. CML 15 kV/μs VCM = 1000 Vp-p′, IF = 10 mA, VCC = 5 V
VO(MAX) = 0.4 V, Ta = 25°C 77°F
Common mode transient
immunity at high level output
Min. CMH 15 kV/μs VCM = 1000 Vp-p′, IF = 0 mA, VCC = 5 V
VO(MIN) = 4 V, Ta = 25°C 77°F
I/O capacitance Typ. Ciso 0.5 pF f = 1 MHz, VB = 0 V, Ta = 25°C 77°F
Initial I/O isolation resistance Min. Riso 1000 MΩ DC 500V, RH ≦ 60 %, Ta = 25°C 77°F

Test circuit for ICCL

Test circuit for ICCH

Test circuit for VOL

Test circuit for VOH

Test circuit for propagation delay time

VIN = 0 ↔ 5 V
f = 25 MHz
Duty factor = 50%

 

Test circuit for common mode transient immunity

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Recommended operating conditions

Please use under recommended operating conditions to obtain expected characteristics.
Additionally, please check other conditions in this specification sheets because they are affected by the actual usage.

Item Symbol Min. Typ. Max. Unit
LED forward current IF 10 16 mA
Supply voltage VCC 4.5 5 5.5 V
LED off voltage VF(OFF) 0 0.8 V

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