ISL3178E datasheet(5/19 Pages) INTERSIL

Part #	ISL3178E

Description	RS-485/RS-422 Transceivers

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Manufacturer	INTERSIL [Intersil Corporation]

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5 / 19 page

5

FN6307.4

June 10, 2008

Absolute Maximum Ratings

Thermal Information

VCC to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V

Input Voltages

DI, DE, RE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V

Input/Output Voltages

A, B, Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -8V to +13V

RO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (VCC +0.3V)

Short Circuit Duration

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

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

Operating Conditions

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

Thermal Resistance (Typical, Note 3)

θJA (°C/W)

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

105

8 Ld MSOP Package . . . . . . . . . . . . . . . . . . . . . . . .

140

10 Ld MSOP Package . . . . . . . . . . . . . . . . . . . . . . .

190

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

128

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

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

Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and

result in failures not covered by warranty.

NOTE:

3.

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

Electrical Specifications

Test Conditions: VCC = 3.0V to 3.6V; Unless Otherwise Specified. Typicals are at VCC = 3.3V, TA = +25°C,

(Note 4)

PARAMETER

SYMBOL

TEST CONDITIONS

TEMP

(°C)

MIN

(Note 18)

TYP

MAX

(Note 18) UNITS

DC CHARACTERISTICS

Driver Differential VOUT

VOD

RL = 100Ω (RS-422) (Figure 1A, Note 15)

Full

2

2.3

-

V

RL = 54Ω (RS-485) (Figure 1A)

Full

1.5

2

VCC

V

No Load

-

VCC

RL = 60Ω, -7V ≤ VCM ≤ 12V (Figure 1B)

Full

1.5

2.2

-

V

Change in Magnitude of Driver

Differential VOUT for

Complementary Output States

ΔVOD

RL = 54Ω or 100Ω (Figure 1A)

Full

-

0.01

0.2

V

Driver Common-Mode VOUT

VOC

RL = 54Ω or 100Ω (Figure 1A)

Full

-

2

3

V

Change in Magnitude of Driver

Common-Mode VOUT for

Complementary Output States

ΔVOC

RL = 54Ω or 100Ω (Figure 1A)

Full

-

0.01

0.2

V

Logic Input High Voltage

VIH

DI, DE, RE

Full

2

-

V

Logic Input Low Voltage

VIL

DI, DE, RE

Full

-

0.8

V

Logic Input Hysteresis

VHYS

DE, RE (Note 14)

25

-

100

-

mV

Logic Input Current

IIN1

DI = DE = RE = 0V or VCC (Note 17)

Full

-2

-

2

μA

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

IIN2

DE = 0V, VCC = 0V or

3.6V

VIN = 12V

Full

-

80

125

μA

VIN = -7V

Full

-100

-50

-

μA

Output Leakage Current (Y, Z) (Full

Duplex Versions Only, Note 12)

IIN3

RE = 0V, DE = 0V,

VCC = 0V or 3.6V

VIN = 12V

Full

-

10

40

μA

VIN = -7V

Full

-40

-10

-

μA

Output Leakage Current (Y, Z)

in Shutdown Mode (Full Duplex,

Note 12)

IIN4

RE = VCC, DE = 0V,

VCC = 0V or 3.6V

VIN = 12V

Full

-

10

40

μA

VIN = -7V

Full

-40

-10

-

μA

Driver Short-Circuit Current,

VO = High or Low

IOSD1

DE = VCC, -7V ≤ VY or VZ ≤ 12V (Note 6)

Full

-

±250

mA

Receiver Differential Threshold

Voltage

VTH

-7V

≤ VCM ≤ 12V

Full

-200

-125

-50

mV

Receiver Input Hysteresis

ΔVTH

VCM = 0V

25

-

15

-

mV

Receiver Output High Voltage

VOH

IO = -4mA, VID = -50mV

Full

VCC - 0.6

-

V

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