ACT4440N-2 [AEROFLEX]
Single Transceiver for MACAIR (A3818, A4905, A5232, A5690), MIL-STD-1553 & SAE-AS15531; 单收发器MACAIR （ A3818 ， A4905 ， A5232 ， A5690 ） ， MIL -STD -1553和SAE- AS15531
| 型号： | ACT4440N-2 |
| 厂家： | 
AEROFLEX CIRCUIT TECHNOLOGY |
| 描述： | Single Transceiver for MACAIR (A3818, A4905, A5232, A5690), MIL-STD-1553 & SAE-AS15531 |
| 文件： | 总9页 (文件大小：160K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Standard Products
ACT4404N Single Transceiver Series
for MACAIR (A3818, A4905, A5232, A5690), MIL-STD-1553
& SAE-AS15531
www.aeroflex.com/Avionics
December 18, 2007
FEATURES
❑
ACT4404N & ACT4440N transceivers meets MIL-STD-1553A & B, Macair A3818, A4905, A5232 and
A5690 specs
❑
❑
❑
❑
❑
❑
❑
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❑
ACT4407N & ACT4467N transceivers meets MIL-STD-1553A & B specs only
Bipolar supply ±15V to ±12V, logic supply +5V
Monolithic construction
ACT4404N is a direct replacement for the CT3232M and the ACT4407N is direct replacement for the CT3231
Voltage source output for higher bus drive power
Variable receiver threshold capability
Designed for commercial, industrial and aerospace applications
MIL-PRF-38534 compliant devices available
Aeroflex-Plainview is a Class H & K MIL-PRF-38534 manufacturer
GENERAL DESCRIPTION
The Aeroflex-Plainview ACT4404N series are a new generation monolithic transceiver which provide full compliance with
Macair and MIL-STD-1553 data bus requirements.
The model ACT4404N series performs the front-end analog function of inputting and outputting data through a transformer to a
MIL-STD-1553 or Macair data bus. The ACT4404N and ACT4440N can be considered a "Universal" Transceiver in that it is
compatible with MIL-STD-1553A/B, Macair (A-3818, A-4905, A-5232 and A-5690).
Design of these transceivers reflects particular attention to active filter performance. This results in low bit and word error rate
with superior waveform purity and minimal zero crossover distortion. The ACT4404N and ACT4440N active filter design has
additional high frequency roll-off to provide the required Macair low harmonic distortion waveform without increasing the pulse
delay characteristics significantly.
Efficient transmitter electrical and thermal design provides low internal power dissipation and heat rise at high and well as low
duty cycles. An optional receiver input threshold adjustment can be accomplished by the use of the ''External Threshold"
terminals.
TRANSMITTER
The Transmitter section accepts bi-phase TTL data at the input and when coupled to the data bus with a 1:1 transformer the data
bus signal produced is 7.0 Volts typical P-P at point A-A’ (See Figure 3 or 4). When both DATA and DATA inputs are held low
or high, the transmitter output becomes a high impedance and is “removed” from the line. In addition, an overriding "INHIBIT''
input provides for the removal of the transmitter output from the line. A logic ''1'' applied to the ''INHIBIT'' takes priority over
the condition of the data inputs and disables the transmitter (See Transmitter Logic Waveforms - Figure 1).
The transmitter utilizes an active filter to suppress harmonics above 1 MHz to meet Macair specifications A-3818, A-4905,
A-5232 and A-5690. The transmitter may be safely operated for an indefinite period at 100% duty cycle into a data bus short
circuit.
RECEIVER
The Receiver section accepts bi-phase differential data at the input and produces two TTL signals at the output. The outputs are
DATA and DATA, and represent positive and negative excursions of the input beyond a pre-determined threshold (See Receiver
Logic Waveforms - Figure 2).
The internal threshold is nominally set to detect data bus signals exceeding 1.05 Vp-p and reject signals less than 0.6 Vp-p when
used with a 1:1 turns ratio transformer (See Figure 3 or 4 for transformer data and typical connection). This threshold setting can
be held by grounding the appropriate pins or modified with the use of external resistors.
A low level at the ''STROBE'' input inhibits the DATA and DATA outputs.
SCD4404N Rev D
TX DATA OUT
TX DATA OUT
TRANSMIT
ACTIVE
TX DATA IN
TX DATA IN
OUTPUT
STAGE
DRIVER
FILTER
TX INHIBIT
V+
GND
CASE GND
EXT. THRESHOLD
DATA
DATA
DATA
RX DATA OUT
RX DATA OUT
COMP.
COMP.
SET INTERNAL
THRESHOLD
EXT. THRESHOLD
DATA
V-
+5 V
-12V or -15V
RECEIVE
ACTIVE
FILTER
RX DATA IN
RX DATA IN
INPUT
AMP
+15V or +12V
STROBE
BLOCK DIAGRAM (WITHOUT TRANSFORMER
DATA IN
DATA IN
INHIBIT
LINE TO LINE
OUTPUT
Notes: 1. Line to line waveforms illustrate Macair signals, MIL-STD-1553 signals are trapezoidal.
2. DATA and DATA inputs must be complementary waveforms or 50% duty cycle average, with no delays between them.
3. DATA and DATA must be in the same state during off time (both high or low).
FIGURE 1 – TRANSMITTER LOGIC WAVEFORMS IDEALIZED
LINE TO LINE
INPUT
DATA OUT
DATA OUT
Note overlap
Notes: 1. Normally high output in standby.
FIGURE 2 – RECEIVER LOGIC WAVEFORMS IDEALIZED
(Shown for normally high only)
SCD4404N Rev D 12/19/07
Aeroflex Plainview
2
ABSOLUTE MAXIMUM RATINGS
Operating Case Temperature
Storage Case Temperature
Power Supply Voltages
Logic Input Voltage
-55°C to +125°C
-65°C to +150°C
±12VDC to ±18VDC
+5VDC to +7VDC
-0.3 V to +5.5 V
±40 V
Receiver Differential Input
Receiver Input Voltage (Common Mode)
Driver Peak Output Current
±10V
150 mA
Total Package Power Dissipation over the Full Operating Case
3.25 Watts
Temperature Range *
Maximum Junction to Case Temperature (100% duty cycle)
Junction-Case, Thermal Resistance
16.25°C
5°C/W
* See Aeroflex Application Note # 112 for reference.
1/ 2/
ELECTRICAL CHARACTERISTICS – DRIVER SECTION
INPUT CHARACTERISTICS, TX DATA IN OR TX DATA IN
Parameter
Condition
Symbol
Min
Typ
Max
-0.4
40
Unit
mA
µA
V
"0" Input Current
"1" Input Current
"0" Input Voltage
"1" Input Voltage
V
V
= 0.4V
I
-
-
-0.2
IN
IN
ILD
IHD
= 2.7V
I
1
-
-
-
V
-
0.7
-
ILD
IHD
V
2.0
-
V
INHIBIT CHARACTERISTICS
"0" Input Current
V
= 0.4V
I
-
-0.1
1.0
-
-0.2
40
0.7
-
mA
µA
V
IN
ILI
IHI
"1" Input Current
V
= 2.7V
I
-
IN
"0" Input Voltage
-
-
V
-
ILI
"1" Input Voltage
V
2
-
V
IHI
Delay from TX inhibit, (0➝1) to inhibited output
Delay from TX inhibit, (1➝0) to active output
Differential Output Noise, inhibit mode
Differential Output Impedance (inhibited) *
Note 1
t
-
350
300
0.8
-
700
500
10
-
nS
DXOFF
Note 1
-
t
-
-
nS
DXON
V
mVp-p
Ω
NOI
Note 2
Z
10K
OI
* See Aeroflex Application Note # 113 for reference.
OUTPUT CHARACTERISTICS
Differential output Level, Figure 3 Point B-B'
Z = 70Ω
V
18
-
21
-
24
Vp-p
O
O
Output offset at point A-A on Figures 3 or 4, 2.5µS after
midpoint crossing of the last bit
V
±90
mVpeak
OS
Output rise / fall times (10% to 90% of p-p output)
t & t
200
-
250
220
300
350
nS
nS
R
F
Delay from 50% point of TX DATA or TX DATA input
to zero crossing of differential output (Note 1)
t
DTX
SCD4404N Rev D 12/19/07
Aeroflex Plainview
3
ELECTRICAL CHARACTERISTICS – RECEIVER SECTION 1/ 2/
Parameter
Condition
Symbol
Min
10K
-
Typ
Max
Unit
Ω
Differential Input Impedance
Differential Input Voltage Range
Input Common Mode Voltage Range
Common Mode Rejection Ratio
f = 1MHz
Z
-
-
-
-
-
40
-
IN
-
-
-
V
Vp-p
Vp-p
dB
IDR
ICR
V
10
CMRR
40
-
STROBE CHARACTERISTICS (LOGIC "0" INHIBITS OUTPUT)
"0" Input Current
V = 0.4V
I
-
-
-0.2
1
-0.4
+40
0.7
-
mA
µA
V
S
IL
"1" Input Current
V = 2.7V
I
S
IH
"0" Input Voltage
-
-
-
V
-
-
IL
"1" Input Voltage
V
2.0
-
-
V
IH
Strobe Delay (Turn-on or Turn-off)
40
150
nS
tSD
THRESHOLD CHARACTERISTICS (SINEWAVE INPUT)
Point B - B'
V
Internal Threshold Voltage Figure 3
0.60
0.80
1.10
Vp-p
TH
1MHz
OUTPUT CHARACTERISTICS, RX DATA AND RX DATA
"1" State
I
= -0.4 mA
V
2.5
3.6
0.35
-
-
V
V
OH
OH
"0" State
I
= 4 mA
V
-
-
0.5
10
OL
OL
Receiver Output Skew
t
RXSK
Note 6
Note 7
nS
Delay (average), from differential input zero
crossings to RX DATA and RX DATA output
50% points
t
-
300
450
nS
DRX
POWER SUPPLY CURRENT 1/ 2/
Duty Cycle
Condition
Symbol
Typ
Max
Unit
mA
Transmitter Standby
Point B-B', Z = 70 Ω, V = 29 VP-P
I
5
25
18
10
35
30
O
O
CC
Bit Pattern = FFFFHEX
Figure 4
I
EE
I
L
25%
I
I
I
20
40
18
30
60
30
CC
EE
L
50%
I
I
I
40
60
18
60
80
30
CC
EE
L
100%
I
I
I
85
105
18
120
140
30
CC
EE
L
SCD4404N Rev D 12/19/07
Aeroflex Plainview
4
TYPICAL HYBRID POWER DISSIPATION *
100% Duty
Cycle
Power Supply Conditions
Condition
Standby
Unit
PSC1
Point B-B', Z = 70 Ω, V = 29 VP-P
Watts
O
O
V
V
= +15V
= -15V
Bit Pattern = FFFFHEX
Figure 4
CC
0.540
0.465
0.450
2.167
1.852
1.600
EE
V = +5V
L
PSC2
V
V
= +15V
= -12V
CC
EE
V = +5V
L
PSC3
V
V
= +12V
= -12V
CC
EE
V = +5V
L
* See Aeroflex Application note# 112 for reference.
Recommended Power Supply Voltage Range
+V
+11.4 Volts to +15.75 Volts
-11.4 Volts to -15.75 Volts
+4.5 Volts to +5.5 Volts
-V
Logic
Notes:
1. VCC = +15VDC ±0.75V, VEE = -15VDC ±0.75V, VIL = +5VDC ±0.5V, TC = -55°C to +125°C, unless otherwise specified.
2. All typical values are measured at +25°C.
3. Characteristics guaranteed by design, not production tested.
4. Power ON/OFF, measured from 75KHz to 1MHz at Point A-A' Figure 4, in accordance with MIL-STD-1553B paragraph 4.5.2.2.2.3.
5. At point A-A' on Figure 3 or 4, 2.5µS after midpoint crossing of the parity bit of the last word of a 660 µS message.
6. Receiver skew is defined as the time from the rising edge of RX DATA OUT to the rising edge of RX DATA OUT minus 500 nS, with a
sine wave input of 3 VP-P at 1MHz driven into Point B-B' of Figure 4 or 2.1 VP-P at 1MHz driven into Point B-B' of Figure 3. The
specification maximum is guaranteed for TA = 25°C only. Standard TTL loads applied to RX DATA Outputs.
7. This test is performed while the Transceiver is reading its own transmission. This condition is called "Wraparound". Standard TTL loads
applied to RX DATA Outputs.
SCD4404N Rev D 12/19/07
Aeroflex Plainview
5
Terminal
TRANSCEIVER
UNDER TEST
Zo
Isolation
Coupling
TX DATA OUT
RX DATA IN
Transformer
Transformer
R
1 : N
1 : 1.414
B
A
Data
Bus
Wire
Pair
RX DATA OUT
RX DATA OUT
TX DATA OUT
Isolation
Resistors
R = 0.75 Z
O
R
B'
A'
RX DATA IN
Zo
INT INT EXT EXT
Transformer turns ratio:
Terminal Input Impedance B – B'
MIL-STD-1553B para 4.5.2.1.2.3
1KΩ minimum. 75KHz – 1MHz
RX RX
RX RX
N = 0.707
Recommend Technitrol 1553-1
NC NC
NOTE: Internal RX Threshold
Wiring Shown
FIGURE 3 – DATABUS INTERFACE USING TRANSFORMER COUPLING
(FIGURE 9, MIL-STD-1553B)
Terminal
TRANSCEIVER
UNDER TEST
Zo
Isolation
TX DATA OUT
RX DATA IN
Transformer
55
Ω
Ω
1 : N
B
A
RX DATA OUT
RX DATA OUT
TX DATA OUT
Data
Bus
Wire
Pair
55
B'
A'
RX DATA IN
Zo
INT INT EXT EXT
Terminal Input Impedance B – B'
MIL-STD-1553B para 4.5.2.2.2.3
2KΩ minimum. 75KHz – 1MHz
Transformer turns ratio:
N = 1
Recommend Technitrol 1553-1
RX RX
RX RX
NC NC
R
R
NOTE: External RX Threshold Wiring
Shown – R < 10K Ohms.
FIGURE 4 – DATABUS INTERFACE USING DIRECT COUPLING
(FIGURE 10, MIL-STD-1553B)
SCD4404N Rev D 12/19/07
Aeroflex Plainview
6
LAST BIT
t *
f
90%
Magnified View
OUTPUT OFFSET*
6.0VP-P MIN
8.5VP-P MAX
0 volts
0 Volts
OUTPUT OFFSET*
10%
2.5 µsec
t *
r
* Offset measured at point A-A’ in Figure 3
* Rise and fall times measured at point A-A’ in Figure 3
FIGURE 5 – TRANSMITTER (TX) OUTPUT
WAVEFORM
FIGURE 6 – TRANSMITTER (TX) OUTPUT
OFFSET
4.0
3.6
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
PSC 1
PSC 2
PSC 3
0
10 20 30 40 50 60 70 80 90 100
DUTY CYCLE, PERCENT
FIGURE 7 – TYPICAL POWER DISSIPATION
vs. DUTY CYCLE
SCD4404N Rev D 12/19/07
Aeroflex Plainview
7
PLUG-IN PACKAGE
FLAT PACKAGE
Pin Function
1
2
3
4
5
6
7
8
9
TX DATA OUT
TX DATA OUT
TX GND (+5)
1.27 MAX
1.10
1.27 MAX
+15V (TX)
0.017
±0.002
EXT. DATA THRES
INT. DATA THRES
RX DATA OUT
STROBE
24
13
12
Pin 1 & ESD
Designator
RX GND (+5V)
1.27
MAX
1.27
MAX
1.10
10 RXDATA OUT
11 INT. DATA THRES
12 EXT. DATA THRES
13 +15V (RX)
14 NC
0.10 Typ
1
15 RX DATA IN
16 RX DATA IN
17 GND
18 CASE GND
19 -15V (RX)
20 +5V
21 TX INHIBIT
22 TX DATA IN
23 TX DATA IN
24 -15V(TX)
0.400
MIN
2 sides
0.175
MAX
0.24
MIN
0.009
±0.002
0.167 for Low Profile Flat Pack
0.200 for Std Flat Pack
0.018 DIA.
±0.002
0.100
0.080
±0.015
Notes
1. Dimensions shown are in inches.
2. Pins are equally spaced at 0.100±0.002 tolerance, non-cumulative, each row.
PACKAGE CONFIGURATION OUTLINE
SCD4404N Rev D 12/19/07
Aeroflex Plainview
8
CONFIGURATIONS AND ORDERING INFORMATION
Model No.
Data Bus
Receiver Data level
Configuration
ACT4404N
ACT4404N-2
ACT4440N
ACT4440N-2
ACT4407N
ACT4407N-2
ACT4467N
ACT4467N-2
McAir/1553
Normally High
Plug In
Flat Pack
Plug In
Normally Low
Normally High
Normally Low
Flat Pack
Plug In
1553 Only
Flat Pack
Plug In
Flat Pack
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Tel: 321-951-4164
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Tel: 949-362-2260
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Tel: 719-594-8017
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Aeroflex Microelectronic Solutions reserves the right to
change at any time without notice the specifications, design,
function, or form of its products described herein. All
parameters must be validated for each customer's application
by engineering. No liability is assumed as a result of use of
this product. No patent licenses are implied.
Our passion for performance is defined by three
attributes represented by these three icons:
solution-minded, performance-driven and customer-focused
SCD4404N Rev D 12/19/07
9
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