ISL81483IB datasheet(4/13 Pages) INTERSIL

Part #	ISL81483IB

Description	1/8 Unit Load, 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers

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Manufacturer	INTERSIL [Intersil Corporation]

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4

Absolute Maximum Ratings

Thermal Information

VCC to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V

Input Voltages

DI, DE, RE . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to (VCC +0.5V)

Input/Output Voltages

A/Y, B/Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -8V to +12.5V

RO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to (VCC +0.5V)

Short Circuit Duration

Y, Z. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous

ESD Rating

HBM (Per MIL-STD-883, Method 3015.7) . . . . . . . . . . . . . . >7kV

Operating Conditions

Temperature Range

ISL8XXXIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40oC to 85oC

Thermal Resistance (Typical, Note 1)

θ

JA (

oC/W)

8 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . .

170

8 Ld PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . .

140

Maximum Junction Temperature (Plastic Package) . . . . . . . 150oC

Maximum Storage Temperature Range . . . . . . . . . -65oC to 150oC

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300oC

(SOIC - Lead Tips Only)

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE:

1.

θ

JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

Electrical Specifications

Test Conditions: VCC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are at VCC = 5V, TA = 25oC,

(Note 2)

PARAMETER

SYMBOL

TEST CONDITIONS

TEMP

(oC)

MIN

TYP

MAX

UNITS

DC CHARACTERISTICS

Driver Differential VOUT (no load)

VOD1

Full

-

VCC

V

Driver Differential VOUT (with load)

VOD2

R = 50

Ω (RS-422), (Figure 1)

Full

2

3

-

V

R = 27

Ω (RS-485), (Figure 1)

Full

1.5

2.3

5

V

Change in Magnitude of Driver

Differential VOUT for

Complementary Output States

∆VOD

R = 27

Ω or 50Ω, (Figure 1)

Full

-

0.01

0.2

V

Driver Common-Mode VOUT

VOC

R = 27

Ω or 50Ω, (Figure 1)

Full

-

3

V

Change in Magnitude of Driver

Common-Mode VOUT for

Complementary Output States

∆V

OC

R = 27

Ω or 50Ω, (Figure 1)

Full

-

0.01

0.2

V

Logic Input High Voltage

VIH

DE, DI, RE

Full

2

-

V

Logic Input Low Voltage

VIL

DE, DI, RE

Full

-

0.8

V

Logic Input Current

IIN1

DE, DI, RE

Full

-2

-

2

µA

Input Current (A/Y, B/Z), (Note 10)

(ISL81483, ISL81487)

IIN2

DE = 0V, VCC = 4.5 to

5.5V

VIN = 12V

Full

-

140

µA

VIN = -7V

Full

-

-120

µA

IIN2

DE = 0V, VCC = 0V

VIN = 12V

Full

-

180

µA

VIN = -7V

Full

-

-100

µA

Input Current (A/Y, B/Z), (Note 11)

(ISL8487 Only)

IIN2

DE = 0V, VCC = 0V, or

4.5 to 5.5V

VIN = 12V

Full

-

250

µA

VIN = -7V

Full

-

-100

µA

Receiver Differential Threshold

Voltage

VTH

-7V

≤ VCM ≤ 12V

Full

-0.2

-

0.2

V

Receiver Input Hysteresis

∆V

TH

VCM = 0V

25

-

70

-

mV

Receiver Output High Voltage

VOH

IO = -4mA, VID = 200mV

Full

3.5

-

V

Receiver Output Low Voltage

VOL

IO = -4mA, VID = 200mV

Full

-

0.4

V

Three-State (high impedance)

Receiver Output Current

IOZR

0.4V

≤ V

O ≤ 2.4V

Full

-

±1

µA

ISL8487, ISL81483, ISL81487

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