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SP3238EDS/04

SP3238E +3.0V to +5.5V RS-232 Transceivers

© Copyright 1999 Sipex Corporation

2

NOTE 1

: V+ and V- can have maximum magnitudes of 7V, but their absolute difference cannot exceed 15V.

ABSOLUTE MAXIMUM RATINGS

These are stress ratings only and functional operation

of the device at these ratings or any other above those

indicated in the operation sections of the specifications

below is not implied. Exposure to absolute maximum

rating conditions for extended periods of time may

affect reliability and cause permanent damage to the

device.

V

CC

.......................................................-0.3V to +6.0V

V+ (NOTE 1).......................................-0.3V to +7.0V

V- (NOTE 1)........................................+0.3V to -7.0V

V+ + |V-| (NOTE 1)...........................................+13V

I

CC

(DC V

CC

or GND current).........................

+100mA

Input Voltages

TxIN, ONLINE,

SHUTDOWN, EN ...............................-0.3V to +6.0V

RxIN...................................................................

+15V

Output Voltages

TxOUT...............................................................

+15V

RxOUT, STATUS.......................-0.3V to (V

CC

+ 0.3V)

Short-Circuit Duration

TxOUT.....................................................Continuous

Storage Temperature......................-65

°

C to +150

°

C

Unless otherwise noted, the following specifications apply for V

CC

= +3.0V to +5.5V with T

AMB

= T

MIN

to T

MAX

.

Typical values apply at V

CC

= +3.3V or +5.0V and T

AMB

= 25

°

C.

SPECIFICATIONS

Power Dissipation per package

28-pin SSOP (derate 11.2mW/

o

C above +70

o

C).......900mW

28-pin TSSOP (derate 13.2mW/

o

C above +70

o

C)...1100mW

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

DC CHARACTERISTICS

Supply Current,

Auto-Online

1.0

10

μ

A

All RxIN open, ONLINE = GND,

SHUTDOWN = V

CC

Supply Current, Shutdown

1.0

10

μ

A

SHUTDOWN = GND

Supply Current,

Auto-Online

0.4

2.0

mA

ONLINE = SHUTDOWN = V

CC

,

Disabled

no load

LOGIC INPUTS AND RECEIVER OUTPUTS

Input Logic Threshold

V

CC

= +3.3V or +5.0V, TxIN

LOW

0.8

V

ONLINE, SHUTDOWN

HIGH

2.4

Input Leakage Current

+0.01

+1.0

μ

A

TxIN, ONLINE, SHUTDOWN

T

AMB

= 25

O

C

Output Leakage Current

+0.05

+10

μ

A

Receivers Disabled

Output Voltage LOW

0.4

V

I

OUT

= 1.6mA

Output Voltage HIGH

V

CC

- 0.6 V

CC

-0.1

V

I

OUT

= 1.0mA

电子发烧友 www.elecfans.com

华强PCB www.hqpcb.com

华强芯城 www.hqchip.com

www.hqchip.com

www.hqchip.com

www.hqchip.com

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