ISL4238EIR datasheet(6/17 Pages) INTERSIL

Part #	ISL4238EIR

Description	QFN Packaged, ±15kV ESD Protected, 2.7V to 5.5V, 10Nanoamp, 250kbps/ 1Mbps, RS-232 Transceivers with Enhanced Automatic Power-down

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Manufacturer	INTERSIL [Intersil Corporation]

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6 / 17 page

6

FN8038.5

May 13, 2010

Absolute Maximum Ratings

Thermal Information

VCC to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V

V+ to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V

V- to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3V to -7V

V+ to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V

Input Voltages

TIN, FORCEOFF, FORCEON. . . . . . . . . . . . . . . . . . . -0.3V to 6V

RIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±25V

Output Voltages

TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±13.2V

ROUT, INVALID. . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VCC +0.3V

Short Circuit Duration

TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous

ESD Rating . . . . . . . . . . . . See “ESD PERFORMANCE” on page 8

Thermal Resistance (Typical, Notes 1, 2)

θ

JA (°C /W) θJC (°C /W)

32 Ld QFN Package. . . . . . . . . . . . . . .

32

3.0

Moisture Sensitivity (see Technical Brief TB363)

QFN Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Level 1

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

Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below

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

Operating Conditions

Temperature Range

ISL42xxEIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C

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:

1.

θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See

Tech Brief TB379, and Tech Brief TB389.

2. For

θJC, the “case temp” location is the center of the exposed metal pad on the package underside.

Electrical Specifications

Test Conditions: ISL4238E VCC = 3.15V to 5.5V, C1 to C4 = 0.1µF; VCC = 3V, C1 to C4 = 0.22µF;

ISL424xE VCC = 3V to 5.5V, C1 to C4 = 0.1µF; Unless Otherwise Specified. Typicals are at TA = +25°C

PARAMETER

TEST CONDITIONS

TEMP

(°C)

MIN

(Note 7)

TYP

MAX

(Note 7) UNITS

DC CHARACTERISTICS

Operating Voltage Range

Full

2.7

-

5.5

V

Supply Current, Automatic Power-

down

All RIN Open, FORCEON = GND, FORCEOFF = VCC

25

-

3

300

nA

Full

50

300

nA

Supply Current, Power-down

All RIN Open, FORCEOFF = GND

25

-

3

300

nA

Full

50

300

nA

Supply Current,

Automatic Power-down Disabled

All Outputs Unloaded, FORCEON = FORCEOFF = VCC,

VCC = 3.0V

25

-

0.3

1.0

mA

Full

0.3

1.5

mA

LOGIC AND TRANSMITTER INPUTS AND RECEIVER OUTPUTS

Input Logic Threshold Low

TIN, FORCEON, FORCEOFF

Full

-

0.8

V

Input Logic Threshold High

TIN, FORCEON, FORCEOFF, VCC = 3.6V

Full

2.0

-

V

Transmitter Input Hysteresis

25

-

0.5

-

V

Input Leakage Current

TIN, FORCEON, FORCEOFF (ISL4238E, Note 3)

Full

-

±0.01

±1.0

µA

Output Leakage Current

FORCEOFF = GND

Full

-

±0.05

±10

µA

Output Voltage Low

IOUT = 1.6mA

Full

-

0.4

V

Output Voltage High

IOUT = -1.0mA

Full

VCC - 0.6 VCC - 0.1

-

V

RECEIVER INPUTS

Input Voltage Range

Full

-25

-

25

V

Input Threshold Low

VCC = 3.0V

Full

-

1.0

0.6

V

Input Threshold High

VCC = 3.6V

Full

2.4

1.5

-

V

Input Hysteresis

25

-

0.5

-

V

Input Resistance

Full

3

5

7

k

Ω

TRANSMITTER OUTPUTS

Output Voltage Swing

All Transmitter Outputs Loaded with 3k

Ω to Ground

Full

±5.0

±5.4

-

V

Output Resistance

VCC = V+ = V- = 0V, Transmitter Output = ±2V

Full

300

10M

-

Ω

Output Short-Circuit Current

Full

-

±35

±60

mA

Output Leakage Current

VOUT = ±12V, VCC = 0V or 3V to 5.5V,

Automatic Power-down or FORCEOFF = GND

Full

-

±25

µA

ISL4238E, ISL4244E, ISL4245E

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