ACPL-064L Datasheet, PDF(14/16 Page) AVAGO TECHNOLOGIES LIMITED – Ultra Low Power 10 MBd Digital CMOS Optocouplers Low input current: 1.6 mA

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ACPL-064L Datasheet, PDF (14/16 Pages) AVAGO TECHNOLOGIES LIMITED – Ultra Low Power 10 MBd Digital CMOS Optocouplers Low input current: 1.6 mA

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For ACPL-M61L/W61L:

VDD = 3.3 V: R1 = 510 â¦ Â± 1%, R2 = 360 â¦ Â± 1%

VDD = 5.0 V: R1 = 1000 â¦ Â± 1%, R2 = 680 â¦ Â± 1%

RT = R1 + R2 R1/R2 â 1.5

For ACPL-064L/K64L:

VDD = 3.3 V: R1 = 430 â¦ Â± 1%, R2 = 430 â¦ Â± 1%

VDD = 5.0 V: R1 = 845 â¦ Â± 1%, R2 = 845 â¦ Â± 1%

RT = R1 + R2 R1/R2 â 1

ILP

CLA

ILN

CLC

Shield

VDD2

0.1ÂµF

GND2

Figure 12. AC equivalent circuit of ACPL-x6xL.

Table 1. Common Mode Pulse Polarity and LED Current Transients

If dVCM/dt Is:

positive (> 0)

negative (< 0)

Then ILP flows:

away from the LED

anode through CLA

toward the LED

anode through CLA

and ILN flows:

away from the LED

cathode through CLC

toward the LED

cathode through CLC

If |ILP| < |ILN|

LED current IF

is momentarily:

increased

decreased

If |ILP| > |ILN|

LED Current IF

is momentarily:

decreased

increased

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