ISO15, ISO35, ISO15M, ISO35M

SLOS580G – MAY 2008 – REVISED MARCH 2015

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7.4 Thermal Information

ISO15,

ISO35

THERMAL METRIC(1)

UNIT

DW (SOIC)

16 PINS

High-K board

79.6

RθJA

Junction-to-ambient thermal resistance

Low-K board

168

RθJC(top)

Junction-to-case (top) thermal resistance

39.7

RθJB

Junction-to-board thermal resistance

44.6

°C/W

ψJT

Junction-to-top characterization parameter

11.8

ψJB

Junction-to-board characterization parameter

44

RθJC(bot)

Junction-to-case (bottom) thermal resistance

n/a

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

7.5 Dissipation Ratings

VALUE

UNIT

VCC1 = VCC2 = 3.6 V, TJ = 150°C, CL = 15 pF,

PD

Device Power Dissipation

220

mW

Input a 0.5 MHz 50% duty cycle square wave

7.6 Supply Current

over recommended operating condition (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RE at 0 V or VCC, DE at 0 V, No load (driver disabled)

8

Logic-side supply

ISO35x and

ICC1

mA

current

ISO15x

RE at 0 V or VCC, DE at VCC, No Load (driver enabled)

8

RE at 0 V or VCC, DE at 0 V, No load (driver disabled)

15

Bus-side supply

ISO35x and

ICC2

mA

current

ISO15x

RE at 0 V or VCC, DE at VCC, No Load (driver enabled)

19

7.7 Driver Electrical Characteristics

over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IO = 0 mA, no load

2.5

VCC

RL = 54 Ω, See Figure 3

1.5

2

| VOD |

Differential output voltage magnitude

V

RL = 100 Ω (RS-422), See Figure 3

2

2.3

Vtest from –7 V to +12 V, See Figure 4

1.5

Change in magnitude of the differential

Δ|VOD|

See Figure 3 and Figure 4

–0.2

0

0.2

V

output voltage

VOC(SS)

Steady-state common-mode output voltage

1

2.6

3

See Figure 5

V

Change in steady-state common-mode

ΔVOC(SS)

–0.1

0.1

output voltage

VOC(pp)

Peak-to-peak common-mode output voltage See Figure 5

0.5

V

II

Input current

D, DE, VI at 0 V or VCC1

–10

10

μA

ISO15

See receiver input current

VY or VZ = 12 V

90

Other

IOZ

High-impedance state output current

VY or VZ = 12 V, VCC = 0

90

input

ISO35

μA

VY or VZ = –7 V

–10

at 0 V

VY or VZ = –7 V, VCC = 0

-10

VA or VB at –7 V

Other

input

IOS

Short-circuit output current

–250

250

mA

VA or VB at 12 V

at 0 V

COD

Differential output capacitance

VI = 0.4 sin (4E6πt) + 0.5 V, DE at 0 V

16

pF

CMTI

Common-mode transient immunity

VI = VCC or 0 V, See Figure 14 and Figure 15

25

50

kV/

μs

6

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