ACT4402 Aeroflex Circuit Technology, ACT4402 Datasheet

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ACT4402

Manufacturer Part Number
ACT4402
Description
Act4402 Single Transceiver For Mil-std-1553/1760
Manufacturer
Aeroflex Circuit Technology
Datasheet
Features
• +5 / ±15 Volt Supply Operation
• Low Power Dissipation
• Outstanding MIL-STD-1553 performance
• Superior High Frequency Line Transient and Input
• Input and Output TTL Compatible Design
• Processed and Screened to MIL-STD-883 Specs
• MIL-PRF-38534 Compliant Devices Available
• Replacement for Aeroflex’s 3402 & 2402
• Packaging – Hermetic Ceramic
RX STROBE IN
Ripple Rejection
TX INHIBIT IN
I
I
I
I
TX DATA IN
RX DATA IN
RX DATA IN
TX DATA IN
+15V (V
eroflex Circuit T
-15V (V
smaller than the metal plug-in
Non-conductive mounting surface
No package glass beads
Small size & light weight
Available in a 24pin Ceramic Housing which is 21%
+5V (V
GND1
GND2
GND3
CASE
CC
EE
L
)
)
)
ACT4402 SINGLE TRANSCEIVER
Block Diagram (Without Transformer)
AMPLIFIER
DRIVER
INPUT
echnology
FOR MIL-STD-1553/1760
REFERENCE
ACTIVE
FILTER
– Data Bus Modules For The Future © SCD4402 REV A 5/28/99
ACTIVE
FILTER
OUTPUT
STAGE
COMP.
COMP.
TX DATA OUT
TX DATA OUT
RX DATA OUT
RX DATA OUT
ACT4402 is a next generation
monolithic
which provide full compliance to
MIL-STD-1553A/B
requirements in a small ceramic
package
consumption.
front-end
inputting
through
MIL-STD-1553 data bus.
particular attention to active filter
performance. This results in low bit
and word error rate with superior
waveform purity and minimal zero
crossover
transmitter electrical and thermal
design provides low internal power
dissipation and heat rise at high as
well as low duty cycles.
Transmitter
bi-phase TTL data at the input and
when coupled to the data bus with a
1.4:1 ratio transformer, isolated on
the data bus side with two 52.5
Ohm fault isolation resistors, and
loaded
terminations, the data bus signal is
typically 7.5 Volts P-P at point A
(See Figure 5). When both DATA
and DATA inputs are held low or
high,
becomes a high impedance and is
“removed” from the line. In addition,
an
General Description
The Aeroflex Circuit Technology
The ACT4402 series performs the
Design of this transceiver reflects
The Transmitter section accepts
overriding
the
CIRCUIT TECHNOLOGY
a
by
www.aeroflex.com
and
analog
with
distortion.
transceiver
transformer
transmitter
two
“INHIBIT"
outputting
low
function
and
70
Efficient
to
design
power
output
1760
Ohm
input
data
the
of

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ACT4402 Summary of contents

Page 1

... ACT4402 is a next generation monolithic transceiver design which provide full compliance to MIL-STD-1553A/B and 1760 requirements in a small ceramic package with low power consumption. The ACT4402 series performs the front-end analog function inputting and outputting data through a transformer to MIL-STD-1553 data bus. Design of this transceiver reflects particular attention to active filter performance ...

Page 2

... LINE TO LINE OUTPUT Note: DATA and DATA inputs must be complementary waveforms or 50% duty cycle average, with no delays between them, and must be in the same state during off times (both high or low). Figure 2 — Receiver Logic Waveforms Idealized (ACT4402) LINE TO LINE INPUT STROBE ...

Page 3

... Output offset, Figure 3, 2.5µS after midpoint crossing of the parity bit of the last word of a 660µS message See Figure 5 Delay from 50% point of TX DATA or TX DATA input to zero crossing of differential signal. See Fig 5 Aeroflex Circuit Technology Absolute Maximum Ratings Condition Symbol ...

Page 4

... All measurements & specifications apply over the temperature range of -55°C to +125°C (case temperature) unless otherwise specified. Note 3: When measured as shown per Figure 5 with ± 10 Volt peak, line to ground 2MHz Note 4: Typical power is measured with V Aeroflex Circuit Technology Condition Symbol TXFMR V 1 ...

Page 5

... Specifications subject to change without notice. Aeroflex Circuit Technology Figure 5 – Typical 1553 Bus Connections Magnified View ACT4402 * TX DATA OUT OUTPUT OFFSET * OUTPUT OFFSET TX DATA OUT RX DATA IN RX DATA IN ACT4402 TX DATA OUT 2.97W TX DATA OUT RX DATA IN 1.87W RX DATA IN Typical Hybrid Dissipation 100 ...

Page 6

... Aeroflex Circuit Technology Figure 6 – Lead Numbers & Functions ACT4402 Pin # Function 1 TX DATA OUT 2 TX DATA OUT 3 GROUND DATA OUT 8 STROBE 9 GROUND 10 RX DATA OUT DATA DATA CASE ...

Page 7

... Designator .200 MAX .030 .010 .050 TYP All dimensions in inches Aeroflex Circuit Technology 35 South Service Road Plainview New York 11803 www.aeroflex.com Aeroflex Circuit Technology Ceramic Package Outline 13 12 1.270 MAX .150 MIN .019 .015 Toll Free Inquiries: (800) THE-1553 E-Mail: sales-act@aeroflex.com 7 ...

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