ACT4438 Ver la hoja de datos (PDF) - Aeroflex Corporation

Número de pieza

componentes Descripción

Fabricante

ACT4438

Transceiver for MIL-STD-1553 / 1760 in a Chipscale Package

Aeroflex Corporation 

Figure 3 – Transmitter (TX) Output Waveform

Figure 4 – Transmitter (TX) Output Offset

6V P-P MIN

7.7V P-P MAX

90%

tf*

0 volts

0 Volts

10%

tr*

* Rise and fall times measured at point A-A’ in Fig 5

LAST BIT

Magnified View

OUTPUT OFFSET*

OUTPUT OFFSET*

2.5 µsec

*Offset measured at point A-A’ in Fig 5

Figure 5 – Typical Transformer Connection

Direct Stub

+5V

6.8µF 0.1µF

ZO

10,11,33,34

TX DATA OUT 18-21

ACT4438-1

TX DATA OUT 23-26

RX DATA IN 52

RX DATA IN 51

RISET

37

2.7KΩ

GND

9,35,39,50

ZO

ZO

1:2.5 55Ω

1

4

A

2

5

6

3

7

A’

8 55Ω

Transformer Model:

Use Pulse/Technitrol

Part# 1553-45 or equivalent

Figure 6 – Power Dissipation vs. Duty Cycle

2200

2000

1800

1600

1400

1200

1000

Maximum

800

Typical

600

400

200

0

10 20 30 40 50 60 70 80 90 100

DUTY CYCLE – PERCENT

Note: Vcc = 5 Volts, Vbus (pt A-A') at 7.5 Volts P-P

Model No.

ACT4438-1

Configurations and Ordering Information

Screening Level

Industrial Temperature

-55°C to +90°C

Receiver and Transmitter

Data Levels (See Figure 1)

Normally Low

Case

56 Bump Chip

Carrier

Aeroflex Circuit Technology

5

SCD4438-1 REV A 11/19/01 Plainview NY (516) 694-6700

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