ISO7420FE datasheet(13/25 Pages) TI

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1 MW

500 W

ISO742xFx Input

VCC1

OUT

8 W

13 W

Output

VCC2

VCC1

1 MW

500 W

ISO742xE Input

VCC1

ISO7420E, ISO7420FE, ISO7420FCC

ISO7421E, ISO7421FE, ISO7421FCC

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SLLSE45D

– DECEMBER 2010 – REVISED DECEMBER 2011

ISO7421

At VCC1 = VCC2 = 3.3V

ICC1(typ) = ICC1_Q (typ) + 1.567 x 10

-2 x f + 1.640 x 10-3 x f x C

(13)

ICC2(typ) = ICC2_Q (typ) + 1.567 x 10

-2 x f + 1.640 x 10-3 x f x C

(14)

At VCC1 = VCC2 = 5V

ICC1(typ) = ICC1_Q (typ) + 2.550 x 10

-2 x f + 2.416 x 10-3 x f x C

(15)

ICC2(typ) = ICC2_Q (typ) + 2.550 x 10

-2 x f + 2.461 x 10-3 x f x C

(16)

ICC1_Q (typ) and ICC2_Q (typ) are equivalent to the typical supply currents measured in mA under DC input

conditions (provided in the specification tables of this data sheet); f is data rate in Mbps of each channel; CL is

the capacitive load in pF of each channel. ICC1(typ) and ICC2(typ) are measured in mA.

Spacer

Figure 7. Device I/O Schematics

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Product Folder Link(s): ISO7420E ISO7420FE ISO7420FCC ISO7421E ISO7421FE ISO7421FCC

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