SDN137 datasheet(3/12 Pages) SSOUSA

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SDN137/H/S/TR

Rev 1.10 (08/09/2012)

001512

SDN137

Digital High Speed Optocoupler

10MBd, Logic Output

Electrical Characteristics, continued… TA = 25°C (unless otherwise specified)

Parameter

Symbol

Min.

Typ.

Max.

Units

Test Conditions

Isolation Specifications

Input-Output Insulation Leakage Current

II-O

1.0

μA

45% RH, t=5s, VI-O=3kV

Withstand Insulation Test Voltage

VISO

5000

VRMS

RH ≤ 50%, t=1min

Input-Output Resistance

RI-O



VI-O = 500VDC

Input-Output Capacitance

CI-O

1.0

f=1MHz

Notes

A 0.1

F or bigger bypass capacitor for VCC is needed as shown in Figure 1

Peaking driving circuit may be used to speed up the LED. The peak drive current of LED may go up to 50mA and maximum pulse width

50ns, as long as average current doesn’t exceed 20mA.

tPLH (propagation delay) is measured from the 3.75 mA point on the falling edge of the input pulse to the 1.5 V point on the rising edge of

the output pulse.

tPHL (propagation delay) is measured from the 3.75 mA point on the rising edge of the input pulse to the 1.5 V point on the falling edge of

the output pulse.

The tELH enable propagation delay is measured from the 1.5 V point on the falling edge of the enable input pulse to the 1.5 V point on the

rising edge of the output pulse.

The tEHL enable propagation delay is measured from the 1.5 V point on the rising edge of the enable input pulse to the 1.5 V point on the

falling edge of the output pulse.

CMH is the maximum tolerable rate of rise of the common mode voltage to assure that the output will remain in a high logic state (i.e., VO

> 2.0 V).

CML is the maximum tolerable rate of fall of the common mode voltage to assure that the output will remain in a low logic state (i.e., VO <

0.8 V).

No external pull up is required for a high logic state on the enable input. If the enable pin is not used, tying it to VCC.

10. Device is considered a two-terminal device: pins 1, 2, 3, and 4 shorted together, and pins 5, 6, 7, and 8 shorted together.

11. In accordance with UL1577, each optocoupler is proof tested by applying an insulation test voltage 3000 VRMS for one second (leakage

current less than 5

A). This test is performed before the 100% production test for partial discharge

12. In accordance with UL 1577, each optocoupler is proof tested by applying an insulation test voltage 6000 VRMS for one second (leakage

current less than 5

A). This test is performed before the 100% production test for partial discharge

Recommended Operating Conditions, TA = 25°C (unless otherwise specified)

Parameter

Symbol

Min.

Typ.

Max.

Units

Test Conditions

Operating Temperature

°C

-40

°C

Supply Voltage

VCC

4.5

5.5

Low Level Input Current

IFL

250

A

High Level Input Current

IFH

Low Level Enable Voltage

VEL

0.8

High Level Enable Voltage

VEH

VCC

Output Pull Up Resistor

330



Fan Out

RL = 1k

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