ISO7421-EP

SLLSEN3 – DECEMBER 2015

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6.7 Electrical Characteristics: VCC1 at 3.3 V ±10%, VCC2 at 5 V ±10%

TJ = –55°C to 136°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VCCO

(1) –

5-V side

4.6

0.8

IOH = –4 mA; see Figure 6.

VOH

High-level output voltage

V

3.3-V side

VCCO – 0.4

3

IOH = –20 μA; see Figure 6

VCCO – 0.1

VCC

IOL = 4 mA; see Figure 6.

0.2

0.4

VOL

Low-level output voltage

V

IOL = 20 μA; see Figure 6.

0

0.1

VI(HYS)

Input threshold voltage hysteresis

400

mV

IIH

High-level input current

10

μA

INx at 0 V or VCCI

(1)

IIL

Low-level input current

–10

μA

CMTI

Common-mode transient immunity

VI = VCCI or 0 V; see Figure 8.

25

40

kV/

μs

SUPPLY CURRENT (ALL INPUTS SWITCHING WITH SQUARE WAVE CLOCK SIGNAL FOR DYNAMIC ICC MEASUREMENT)

ICC1

Supply current for VCC1

1.5

3.5

VI = VCCI or 0

DC to 1 Mbps

mA

V, 15 pF load

ICC2

Supply current for VCC2

2

4

(1)

VCCI = Input-side power supply, VCCO = Output-side power supply

6.8 Electrical Characteristics: VCC1 and VCC2 at 3.3 V ±10%

TJ = –55°C to 136°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IOH = –4 mA; see Figure 6.

VCCO

(1) – 0.4

3

VOH

High-level output voltage

V

IOH = –20 μA; see Figure 6.

VCCO – 0.1

3.3

IOL = 4 mA; see Figure 6.

0.2

0.4

VOL

Low-level output voltage

V

IOL = 20 μA; see Figure 6.

0

0.1

VI(HYS) Input threshold voltage hysteresis

400

mV

IIH

High-level input current

10

μA

INx at 0 V or VCCI

(1)

IIL

Low-level input current

–10

μA

Common-mode transient

CMTI

VI = VCCI or 0 V; seeFigure 8 .

25

40

kV/

μs

immunity

SUPPLY CURRENT (ALL INPUTS SWITCHING WITH SQUARE WAVE CLOCK SIGNAL FOR DYNAMIC ICC MEASUREMENT)

ICC1

Supply current for VCC1

1.5

3.5

DC to 1 Mbps

VI = VCCI or 0 V, 15 pF load

mA

ICC2

Supply current for VCC2

1.5

3.5

(1)

VCCI = Input-side power supply, VCCO = Output-side power supply

6.9 Power Dissipation

ISO7421-EP

THERMAL METRIC

D (SOIC)

UNIT

8 PINS

VCC1 = VCC2 = 5.25 V, TJ = 150°C, CL = 15 pF

PD

Device power dissipation

55

mW

Input a 1-Mbps 50% duty-cycle square wave

6

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