ISO7641FC datasheet(25/37 Pages) TI2

25 / 37 page

ISO7641

INA

INB

INC

OUTD

OUTA

OUTB

OUTC

IND

GND2

VCC2

0.1 µF

EN2

GND2

EN1

GND1

0.1 µF

VCC1

ISO7631FM, ISO7631FC, ISO7641FC

www.ti.com

SLLSEC3F – SEPTEMBER 2012 – REVISED APRIL 2016

Product Folder Links: ISO7631FM ISO7631FC ISO7641FC

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Typical Application (continued)

10.2.2 Detailed Design Procedure

Figure 25. Typical ISO7641FC Circuit Hookup

10.2.2.1 Typical Supply Current Equations

(Calculated based on room temperature and typical Silicon process)

ISO7631FM:

At VCC1 = VCC2 = 3.3 V

ICC1 = 1.8072 + 0.0244 × f + 0.0016 × f × CL

(1)

ICC2 = 2.4625 + 0.0252 × f + 0.0033 × f × CL

(2)

At VCC1 = VCC2 = 5 V

ICC1 = 2.3183 + 0.04 × f + 0.0025 × f × CL

(3)

ICC2 = 3.2582 + 0.0403 × f + 0.0049 × f × CL

(4)

ISO7631FC:

At VCC1 = VCC2 = 3.3 V

ICC1 = 1.1762 + 0.0325 × f + 0.0017 × f × CL

(5)

ICC2 = 1.5285 + 0.0299 × f + 0.0033 × f × CL

(6)

At VCC1 = VCC2 = 5 V

ICC1 = 1.6001 + 0.0528 × f + 0.0025 × f × CL

(7)

ICC2 = 2.2032 + 0.0475 × f + 0.005 × f × CL

(8)

ISO7641FC:

At VCC1 = VCC2 = 3.3 V

ICC1 = 1.2162 + 0.0462 × f + 0.0017 × f × CL

(9)

ISO7641FC Datasheet(PDF) 25 Page - Texas Instruments

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