ACPL-M75L-060E 查看數據表（PDF） - Avago Technologies

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ACPL-M75L-060E

Single-channel High Speed 15 MBd CMOS optocoupler with Glitch-Free Power-Up Feature

Avago Technologies 

1.8

1.7

1.6

1.5

1.4

1.3

1.2

1.1

1

-40 -20

0 20 40 60

TA - TEMPERATURE - oC

Figure 7. Typical VF vs. temperature.

80 100

Iin

1

Gnd1

2

5

V DD2

C

4

VO

3

Gnd2

C = 0.01 uF to 0.1uF

Figure 8. Recommended printed circuit board layout

Application Information

Bypassing and PC Board Layout

The ACPL-M75L optocoupler is extremely easy to use.

ACPL-M75L provides CMOS logic output due to the high-

speed CMOS IC technology used.

The external components required for proper operation

are the input limiting resistor and the output bypass ca-

pacitor. Capacitor values should be between 0.01 μF and

0.1 μF.

For each capacitor, the total lead length between both

ends of the capacitor and the power-supply pins should

not exceed 20 mm.

Propagation Delay, Pulse-Width Distortion and Propa-

gation Delay Skew

Propagation delay is a figure of merit which describes how

quickly a logic signal propagates through a system. The

propagation delay from low to high (tPLH) is the amount

of time required for an input signal to propagate to the

output, causing the output to change from low to high.

Similarly, the propagation delay from high to low (tPHL) is

the amount of time required for the input signal to propa-

gate to the output, causing the output to change from

high to low (see Figure 9).

IF

50%

VO

2.5 V,

CMOS

tPSK

IF

50%

VO

2.5 V,

CMOS

Figure 9. Propagation delay and skew waveform

DATA

INPUTS

CLOCK

DATA

OUTPUTS

tPSK

CLOCK

tPSK

Figure 10. Parallel data transmission example

9

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