ISL8491EIBZ datasheet(4/13 Pages) INTERSIL

Part #	ISL8491EIBZ

Description	-15kV ESD Protected, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers

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Manufacturer	INTERSIL [Intersil Corporation]

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4

FN6073.3

Absolute Maximum Ratings

Thermal Information

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

Input Voltages

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

Input/Output Voltages

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

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

Short Circuit Duration

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

ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . See Specification Table

Thermal Resistance (Typical, Note 1)

θJA (°C/W)

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

170

14 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . .

128

Maximum Junction Temperature (Plastic Package) . . . . . . . 150°C

Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C

(Lead Tips Only)

Operating Conditions

Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to 85°C

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.

θJA 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 = 25°C,

Note 2

PARAMETER

SYMBOL

TEST CONDITIONS

TEMP

(°C)

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

∆VOC

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

DI

Full

-2

-

2

µA

DE, RE (Note 6)

Full

-40

-

40

µA

Input Current (A, B) (Note 5)

IIN2

DE = 0V, VCC = 0V or 4.5

to 5.5V

VIN = 12V

Full

-

1

mA

VIN = -7V

Full

-0.8

-

mA

Driver Three-State Output Current (Y, Z)

IOZD

DE = 0V, -7V

≤ VO ≤ 12V (Note 6)

Full

-100

-

100

µA

Receiver Differential Threshold Voltage

VTH

-7V

≤ VCM ≤ 12V

Full

-0.2

-

0.2

V

Receiver Input Hysteresis

∆VTH

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

Receiver Three-State Output Current

IOZR

RE = VCC, 0.4V ≤ VO ≤ 2.4V (Note 6)

Full

-

±1

µA

Receiver Input Resistance

RIN

-7V

≤ VCM ≤ 12V

Full

12

-

k

Ω

No-Load Supply Current (Note 3)

ICC

ISL8488E, DI = 0V or VCC

Full

-

120

140

µA

ISL8489E, DE, DI, RE = 0V or VCC

Full

-

140

190

µA

ISL8491E, DE, DI, RE = 0V or VCC

Full

-

370

460

µA

Driver Short-Circuit Current,

VO = High or Low

IOSD1

DE = VCC, -7V ≤ VY or VZ ≤ 12V (Note 4)

Full

35

-

250

mA

Receiver Short-Circuit Current

IOSR

0V

≤ VO ≤ VCC

Full

7

-

85

mA

ISL8488E, ISL8489E, ISL8491E

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