SP303 Ver la hoja de datos (PDF) - Signal Processing Technologies

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componentes Descripción

Fabricante

SP303

RS232/AppleTalk™ Serial Transceiver

Signal Processing Technologies 

SPECIFICATIONS

(TMIN ≤TA ≤TMAX and nominal supply voltages unless otherwise noted)

PARAMETER

MIN. TYP.

MAX.

RS--232 DRIVER

TTL Input Level

VIL

VIH

High Level Output

Low Level Output

Short Circuit Current

Slew Rate

Transition Time

Maximum Transmission Rate

0

2.0

+5.0

200

RS-232 RECEIVER

Input Voltage Range

Input High Threshold

Input Low Threshold

Input Impedance

TTL Output Level

VOL

VOH

Maximum Receiving Rate

–15

+1.75

+0.75

3

2.4

200

DIFFERENTIAL DRIVER

TTL Input Level

VIL

VIH

High Level Output

0

2.0

+3.6

Low Level Output

-3.6

Differential Output

±3.6

Short Circuit Current

(VEE+0.7V)

Output Current

Leakage Current

Transition Time

Maximum Transmission Rate 1000

DIFFERENTIAL RECEIVER

Common Mode Range

Differential Input

Differential Input Threshold

Input Voltage Hysteresis

Input Resistance

TTL Output Level

VOL

VOH

Maximum Receiving Rate

Short Circuit Output Current

–0.2

30

3

2.4

1000

3

+6

-6

0.05

720

0.8

-5.0

±30

30

+15

+2.5

+1.35

7

0.4

0.8

(VDD–0.7V)

40

±500

±10

±7

±15

+0.2

0.4

±120

SINGLE–ENDED RECEIVER

Input Threshold

Input Voltage Hysteresis

Input Impedance

TTL Output Level

VOL

VOH

Maximum Transmission Rate

–200

30

3

2.4

1000

+200

7

0.4

POWER REQUIREMENTS

VDD = +12V, ±10%

VCC = +5V, ±10%

VEE = –12V, ±10%

7

15

5

7

11

20

UNIT

V

V

V

V

mA

V/µs

µs

kbps

V

V

V

kΩ

V

V

kbps

V

V

V

V

V

V

mA

µA

µA

ns

kbps

V

V

V

mV

kΩ

V

V

kbps

mA

mV

mV

kΩ

V

V

kbps

CONDITIONS

Note 1

RL = 3kΩ, VIN = 0.8V

RL = 3kΩ, VIN = 2.0V

VOUT = 0V

CL = 50pF, RL = 3kΩ; TA = 25°C

Note 2

Note 1

Positive-going

Negative-going

CL ≤2,500pF; VSS ≤ VIN ≤ VDD

VCC =+4.75V, IOUT =+1.6mA

VCC =+4.75V, IOUT =-0.5mA

Note 3

IOH = 8mA

IOL = –8mA

RL = 450Ω

RL = ∞

–0.25V ≤ VO ≤ 6V; Power off

TxEN=Vcc, ≤0≤TxDO≤6V, Note 4

RL=450Ω, CL=50pF; Note 5

Note 3

Note 6

Note 6

TA=25°C

VCM=0V TA=25°C

–7V≤VCM≤+7V

VCC=+4.75V, IOUT=+1.6mA

VCC=+4.75V, IOUT=–0.5mA

VOUT =0V

Note 3

TA 25°C

VCM 0V; TA=25°C

VCC=+4.75; IOUT=+1.6mA

VCC=+4.75; IOUT=–0.5mA

mA All Transmitter outputs RL=∞

mA TA=25°C

mA

70

Corporation

SIGNAL PROCESSING EXCELLENCE

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