Aeroflex Circuit Technology

5

SCDCT3232 REV A 6/27/02 Plainview NY (516) 694-6700

Power and Thermal Data, Total Hybrid (Driver and Receiver)

Total Supply Current, “Standby” mode or transmitting at less than

1% duty cycle (e.g. 20µS of transmission every 2mS or longer

interval)

-

-

-

40

30

35

50

40

45

mA

mA

mA

Total Supply Current transmitting at 1MHz into a 35

Ω

load at point A in Figure 4

or duty cycle)

Duty Cycle

Note 4

70

80

mA

25%

Note 4

65

75

mA

100%

Note 4

175

190

mA

Note 3

165

180

mA

Power Dissipation of most critical (hottest) device in

hybrid during continuous transmission

(100% duty cycle)

Supply

Voltage

±12V

±15V

Note 3

Note 3

300

450

400

600

mA

mA

Thermal Resistance, junction-to-case, of most critical device

-

80

100

°C / W

Allowable transmitting duty cycle when case is held to +100°C

maximum

Note 5

-

-

100

%

Allowable transmitting duty cycle when case is held

to +125°C maximum

Supply

Voltage

±12V

±15V

Note 5

Note 5

-

-

-

-

80

55

%

%

Note 3: Decreases linearly to zero at zero duty cycle.

Note 4: Decreases linearly to applicable “Standby” value at zero duty cycle.

Note 5: Based upon operating junction temperature of 160°C for hottest device. For lower operating junction temperatures,

reduce maximum duty cycle accordingly.

Electrical Characteristics con’t

Parameter / Condition

Sym

Min

Typ

Max

Unit

Figure 2 – Receiver Logic Waveforms

LINE-TO-LINE

INPUT

DATA

OUT

DATA

OUT

INPUT tr

90%

10%

NOTE: BOTH OUTPUTS HIGH

WITH NO INPUT OR STROBE

AT LOGIC "0"

OVERLAP