4435 datasheet(3/6 Pages) AEROFLEX

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Aeroflex Circuit Technology

SCD4435 REV B 2/3/99 Plainview NY (516) 694-6700

Absolute Maximum Ratings

Operating case temperature

-55°C to +125°C

Storage case temperature

-65°C to +150 °C

Power supply Voltages

±15 V P.S. to ±18V MAX

+5 V P.S. to +7V MAX

Logic input Voltage

-0.3 V to +5.5 V

Receiver differential input

±40 V

Receiver input voltage (common mode)

±10V

Driver peak output current

300 mA

Total package power dissipation over the full operating

case temperature range

3.8 Watts

Maximum junction to case temperature rise

(100 % duty cycle)

38°C

Junction-Case thermal resistance

10°C/W

Electrical Characteristics, Transmitter Section

Input Characteristics, TX DATA in or TX DATA in

Parameter

Condition

Symbol

Min

Typ

Max

Unit

“0” Input Current

VIN = 0.4 V

IILD

-0.2

-0.4

“1” Input Current

VIN = 2.7 V

IIHD

1.0

µA

“0” Input Voltage

VIHD

0.7

“1” Input Voltage

VIHD

2.0

Inhibit Characteristics

"0" Input Current

VIN=0.4V

IILI

-0.2

-0.4

"1" Input Current

VIN=2.7V

IIHI

1.0

µA

"0" Input Voltage

VILI

0.7

"1" Input Voltage

VIHI

Delay from TX inhibit(0¡1) to inhibited output

Note 1

tDXOFF

350

700

Delay from TX inhibit, (1¡0) to active output

Note 1

tDXON

200

500

Differential output noise, inhibit mode

VNOI

0.8

mV p-p

Differential output impedance (inhibited)

Note 2

ZOI

10K

Ω

Output Characteristics

Differential output level

RL=170 Ω

V p-p

Rise and fall times

(10% to 90% of p-p output)

200

300

Output offset at point A-A on Figure 5, 2.5

µS after midpoint crossing of the last bit

RL=170 Ω

VOS

±265

mV peak

Delay from 50% point of TX DATA or

TX DATA input to zero crossing of differen-

tial signal. (note1)

tDTX

220

350

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