SP332 データシートの表示（PDF） - Signal Processing Technologies

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SP332

RS-232/RS-485 Multi-Mode Serial Transceiver

Signal Processing Technologies 

SPECIFICATIONS (CONTINUED)

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

PARAMETER

MIN.

AC Characteristics

Receiver Data Rate

10

Receiver Input to Output

tPLH

Receiver Input to Output

tPHL

Diff. Receiver Skew |tPLH-tPHL|

TYP.

130

130

13

RS-232 DRIVER

DC Characteristics

TTL Input Levels

VIL

VIH

Voltage Outputs

High Level Output

Low Level Output

Open Circuit Output

Short Circuit Current

Power Off Impedance

AC Characteristics

Transmission Rate

Transition Time

Propagation Delay

tPHL

tPLH

Slew Rate

2.0

+5.0

-15.0

300

120

2

3

10

RS-232 RECEIVER

TTL Output Levels

VOL

VOH

Receiver Input

High Threshold

Low Threshold

Input Voltage Range

Input Impedance

Hysteresis

3.5

2.1

0.8

1.6

-15

3

5

0.2

0.5

AC Characteristics

Transmission Rate

Transition Time

Propagation Delay

tPHL

tPLH

120

50

100

100

POWER REQUIREMENTS

No Load Supply Current

19

Full Load Supply Current

90

Shutdown Supply Current

5

MAX. UNITS CONDITIONS

Mbps

250 ns

RDIFF=54Ω, CL1=CL2=100pF;

Figures 3 and 8

250 ns

RDIFF=54Ω, CL1=CL2=100pF;

Figures 3 and 7

ns

RDIFF=54Ω, CL1=CL2=100pF;

Figures 3 and 7

0.8 Volts

Volts

+15.0

-5.0

±15

±100

Volts

Volts

Volts

mA

Ohms

Applies to transmitter inputs,

SEL A, SEL B, SD, LB

Applies to transmitter inputs,

SEL A, SEL B, SD, LB

RL=3kΩ to Gnd

RL=3kΩ to Gnd

RL=∞

VOUT = 0V

VCC=0V; VOUT= ±2V

kbps

1.56 µs

4

µs

6

µs

30 V/µs

Rise/fall time, +3V to -3V; -3V to +3V

RL=3kΩ, CL=2500pF

RL=3kΩ, CL=2500pF; From 1.5V

of TIN to 50% of VOUT

RL=3kΩ, CL=2500pF; From 1.5V

of TIN to 50% of VOUT

RL=3kΩ, CL=50pF; From +3V

to -3V or -3V to +3V

0.4

Volts

ISINK = 4mA

ISOURCE = -4mA

3.0 Volts

Volts

+15 Volts

7

kOhms VIN=±15V

1.0

Volts

VCC=+5V

kbps

ns

300 ns

200 ns

25 mA

120 mA

50 µA

Rise/fall time 10% to 90%

From 50% of VIN to 1.5V of ROUT

From 50% of VIN to 1.5V of ROUT

No load; VCC=5.0V; TA=25˚C

RS-232 drivers RL=3kΩ to Gnd;

DC Input

RS-485 drivers RL=54Ω from

A to B; DC Input

TA=25˚C, VCC=5.0V

TGoddard/SP332/9617R0

SP332 RS-232/RS-485 Multi-Mode Serial Transceiver

3

© Copyright 2000 Sipex Corporation

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