SP3282EB datasheet(2/15 Pages) SIPEX

2 / 15 page

Date: 02/24/05

SP3282EB Intelligent +2.35V to +5.5V RS-232 Transceivers

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

SUPPLY CURRENT

Supply Current,

1.0

µA

All RxIN open, all TxIN at VLor GND,

AUTO ON-LINE®

VCC=VL=+3.3V, TA=25°C

ONLINE = GND, SHUTDOWN = VL,

Supply Current, Shutdown

1.0

µA

All RxIN open, all TxIN at VL or GND

VCC=VL=+3.3V, TA=25°C

ONLINE = VL or GND, SHUTDOWN =

GND

Supply Current,

0.3

1.0

All TxIN at VL or GND, ONLINE = VL,

AUTO ON-LINE® Disabled

VCC=VL=+3.3V, TA=25°C

SHUTDOWN = VL,no load

LOGIC INPUTS AND RECEIVER OUTPUTS

Input Logic Threshold LOW

TxIN, ONLINE, SHUTDOWN

0.8

VL = +3.3V or +5.0V

0.6

VL = +2.5V

0.4

VL = +1.8V

Input Logic Threshold HIGH

TxIN, ONLINE, SHUTDOWN

2.4

VL = +5.0V

2.0

VL = +3.3V

1.4

VL = +2.5V

0.9

VL = +1.8V

Transmitter Input Hysteresis

0.3

Input Leakage Current

±0.01

±1.0

µA

TxIN, ONLINE, SHUTDOWN,

TA = 25°C

Output Leakage Current

±0.05

±10

µA

RxOUT, Receivers disabled

Output Voltage LOW

0.4

IOUT = +1.6mA, VL=2.5V, 3.3V, or 5.0V

0.4

IOUT = +0.8mA, VL=1.8V

Output Voltage HIGH

VL - 0.6

VL - 0.1

IOUT = -1.0mA, VL=2.5V, 3.3V, 5.0V

VL - 0.6

VL - 0.1

IOUT = -0.5mA, VL=1.8V

DRIVER OUTPUTS

VCC Mode Switch Point

2.95

3.1

3.25

TxOUT=±5.0V to ±3.7V

(VCC is Falling)

VCC Mode Switch Point

3.3

3.5

3.7

TxOUT=±3.7V to ±5.0V

(VCC is Rising)

VCC Mode Switch Point

400

Hysteresis

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.

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

CC (DC VCC or GND current).........................+100mA

Input Voltages

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

ELECTRICAL CHARACTERISTICS

CC = +2.35 to +5.5V, VL=+1.8 to +5.5V, C1 - C4 = 0.22µF.

A=TMIN to TMAX, unless otherwise noted. Typical values are at VCC=VL=+3.3V, and TA = +25°C.)

TxIN, ONLINE, SHUTDOWN, .............0.3V to +6.0V

RxIN..................................................................+25V

Output Voltages

TxOUT............................................................+13.2V

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

L + 0.3V)

Short-Circuit Duration

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

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

Power Dissipation per package

28-pin SSOP

(derate 11.2mW/oC above +70oC)............900mW

28-pin TSSOP

(derate 13.2mW/oC above +70oC).........1100mW

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