SP320 datasheet(3/12 Pages) SIPEX

3 / 12 page

Rev:A Date: 1/27/04

SP320 Complete +5V-Only V.35 Interface with RS-232 (V.28) Control Lines

SPECIFICATIONS (CONTINUED)

MIN to TMAX and VCC = 5V±5% unless otherwise noted.

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

RS-232 DRIVER

TTL Input Levels

0.8

Volts

2.0

Volts

Voltage Outputs

High Level Output

+5.0

+15.0

Volts

L= 3kΩ to Gnd

Low Level Output

-15.0

-5.0

Volts

L= 3kΩ to Gnd

Open Circuit Output

-15

+15

Volts

L= ∞

Short Circuit Current

-100

+100

L= Gnd

Power Off Impedance

300

Ohms

CC= 0V; VOUT= ±2V

AC Characteristics

Slew Rate

V/µs

L= 3kΩ, CL= 50pF; From +3V to -3V

or -3V to +3V, T

A = 25˚C, VCC = +5V

Maximum Transmission Rate

120

kbps

L= 3kΩ, CL= 2500pF

Transition Time

1.56

µs

Rise/fall time, between ±3V

L= 3kΩ, CL= 2500pF

Propagation Delay

PHL

µsR

L= 3kΩ, CL= 2500pF; From 1.5V

of T

IN to 50% of VOUT

PLH

µsR

L= 3kΩ, CL= 2500pF; From 1.5V

of T

IN to 50% of VOUT

RS-232 RECEIVER

TTL Output Levels

0.4

Volts

2.4

Volts

Receiver Input

Input Voltage Range

-15

+15

Volts

High Threshold

1.7

3.0

Volts

Low Threshold

0.8

1.2

Volts

Hysteresis

0.2

0.5

Volts

CC= 5V; TA= +25˚C

Receiver Input Circuit Bias

+2.0

Volts

Input Impedance

kOhms

IN= ±15V

AC Characteristics

Maximum Transmission Rate

120

kbps

Propagation Delay

PHL

0.1

µs

From 50% of R

IN to 1.5V of ROUT

PLH

0.1

µs

From 50% of R

IN to 1.5V of ROUT

POWER REQUIREMENTS

No Load V

CC Supply Current

No load; V

CC= 5.0V; TA= 25˚C

Full Load V

CC Supply Current

RS-232 drivers R

L= 3kΩ to Gnd;

DC Input

V.35 drivers R

L= 100Ω from A to B;

DC Input

Shutdown Current

1.5

TS000 = ENV35 = 0V

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