ACT4433-DFI [AEROFLEX]

ACT 4433 DUAL TRANSCEIVER FOR MIL-STD-1553/1760; ACT 4433双收发器符合MIL -STD-一千七百六分之一千五百五十三


型号：	ACT4433-DFI
厂家：	AEROFLEX CIRCUIT TECHNOLOGY
描述：	ACT 4433 DUAL TRANSCEIVER FOR MIL-STD-1553/1760 ACT 4433双收发器符合MIL -STD-一千七百六分之一千五百五十三
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ACT 4433 DUAL TRANSCEIVER

FOR MIL-STD-1553/1760

Features

CIRCUIT TECHNOLOGY

www.aeroflex.com/act1.htm

★ Smaller Case Outline then ACT4489D

• +5 / ±12 Volt Supply Operation

• Low Power Dissipation

General Description

The Aeroflex Circuit Technology

ACT 4433 is a next generation

monolithic

transceiver

design

which provide full compliance to

MIL-STD-1553A/B and 1760 re-

quirements in a smaller package

with lower pin count then the

ACT4489D, for those designs with

less board space.

• Outstanding MIL-STD-1553 performance

• Radiation Hard Dielectric Isolation Monolithic

Construction for Severe Environments

The ACT 4433 series performs

the front-end analog function of

inputting and outputting data

• Input and Output TTL Compatible Design

• Processed and Screened to MIL-STD-883 Specs

• MIL-PRF-38534 Compliant Devices Available

through

transformer to the

MIL-STD-1553 data bus.

Design of this transceiver 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.

Efficient

transmitter electrical and thermal

design provides low internal power

dissipation and heat rise at high as

well as low duty cycles.

TX DATA OUT

TX DATA IN

ACTIVE

FILTER

OUTPUT

DRIVER

STAGE

COMP.

TX DATA IN

Transmitter:

TX INHIBIT IN

+5V (VL)

+15V (VCC)

-15V (VEE)

GND1

The Transmitter section accepts

bi-phase TTL data at the input and

when coupled to the data bus with a

1:1 ratio transformer, isolated on

the data bus side with two 52.5

Ohm fault isolation resistors, and

RX DATA OUT

REFERENCE

GND2

GND3

RX DATA OUT

RX DATA IN

CASE

INPUT

AMPLIFIER

ACTIVE

FILTER

loaded

two

Ohm

terminations, the data bus signal is

typically 7 Volts P-P at point A (See

Figure 5). 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

RX STROBE IN

Block Diagram (Without Transformer)

eroflex Circuit Technology – Data Bus Modules For The Future © SCD4433D REV B 1/30/98

overriding “INHIBIT" input provides

for the removal of the transmitter

output from the line. A logic “1”

signal applied to the “INHIBIT” takes

priority over the condition of the

data inputs and disables the

transmitter (See Transmitter Logic

detect data bus signals, point A

Figure 5, exceeding 1.20 Volts

P-P and reject signals less than

0.6 Volts P-P when used with a

transformer (See Figure 5 for

transformer data and typical

connection).

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 Waveform,

Figure 2).

Waveform,

Figure 1).

The

A low level at the RX Strobe

input inhibits the DATA and

DATA outputs. If unused, a 2K

Transmitter may be safely operated

for an indefinite period with the bus

(point A) short circuited at 100%

duty cycle.

pull-up to +5 Volts

recommended.

The pre-set internal thresholds will

Figure 1 — Transmitter Logic Waveforms Idealized

DATA IN

INHIBIT

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 (ACT 4433D)

LINE TO LINE

INPUT

STROBE

DATA OUT

Note overlap

Aeroflex Circuit Technology

SCD4433D REV B 1/30/98 Plainview NY (516)694-6700

Absolute Maximum Ratings

Operating case temperature

Storage case temperature

-55°C to +125°C

-65°C to +150°C

Power supply voltage

VCC

VEE

-0.3 V to +18 V

+0.3 V to-18 V

-0.3 V to +7.0 V

Logic input voltage

-0.3 V to +5.5 V

±40 VP-P

±10 V

Receiver differential input

Receiver input voltage (common mode)

Driver peak output current

300 mA

Total package power dissipation over the full operating

case temperature rise

2.5 Watts

(Note: Normal operation conditions require one

transceiver on and the other off)

Maximum junction to case temperature

Thermal resistance – junction to case

10°C

4°C/W

Electrical Characteristics — Driver Section

Input Characteristics, TX DATA IN or TX DATA IN (Notes 2 & 3 apply)

Parameter

Condition Symbol Min Typ Max

Unit

"0" Input Current

"1" Input Current

"0" Input Voltage

"1" Input Voltage

V_IN= 0.4 V

V_IN= 2.7 V

I_ILD

I_IHD

µA

-0.1

-0.2

V_IHD

0.7

2.0

Inhibit Characteristics

"0" Input Current

V_IN= 0.4 V

V_IN=2.7V

I_ILI

µA

-0.1

1.0

-0.2

"1" Input Current

I_IHI

"0" Input Voltage

V_ILI

0.7

"1" Input Voltage

V_IHI

2.0

Delay from TX inhibit, (0→1) to inhibited output

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

From mid pt

inhibit to

±1.2V pt B,

See Figure 5

t_DXOFF

175

225

t_DXON

150

Differential output noise, inhibit mode

mV_P-P

V_NOI

Z_OI

Differential output impedance (inhibited) Note 1

See Figure 5

Point B

Point C

Z_OI

Output Characteristics

Differential output level,

See Figure 5

Rise and fall times(10% to 90% at pt A output)

See Figure 5

Point A

V_O

V_P-P

t_r

100

160

300

Output offset, Figure 3, 2.5µS after midpoint crossing

of the parity bit of the last word of a 660µS message

See Figure 5

V_OS

± 90

200

Point A

mV peak

Delay from 50% point of TX DATA or TX DATA input

to zero crossing of differential signal. See Fig 5

t_DXT

100

Aeroflex Circuit Technology

SCD4433D REV B 1/30/98 Plainview NY (516)694-6700

Electrical Characteristics — Receiver Section

Parameter

Condition

Symbol Min Typ Max Unit

Differential Receiver Input Voltage Range

(See Figure 5, Point B)

TXFMR

1:1

V_IDR

V_P-P

Common Mode Rejection Ratio (Note 3)

"1" State – Rx Data or Rx Data Output

"0" State – Rx Data or Rx Data Output

CMRR

V_OH

2.5

I_OH= -0.4 mA

I_OI= 4 mA

3.7

0.35

V_OL

0.5

Delay (average) from Differential Input Zero

Crossings to RX DATA and RX DATA Output

50% points

t_DXT

270

400

0.60

1.15

V_P-P

0.75

Input Threshold Voltage (referred to the bus)

V_TH

100KHz–1MHz

Strobe Characteristics (Logic "0" Inhibits Output)

I_IL

I_IH

µA

"0" Input Current

V_S=0.4V

V_S=2.7V

-0.2

-0.1

"1" Input Current

+40

0.7

"0" Input Voltage

V_IL

V_IH

t_SD

"1" Input Voltage

2.0

Strobe Delay (Turn-on or Turn-off)

100

Power Data

Power Supply Currents – Per Channel – See Figure 4

I_CC

I_EE

I_L

Transmitter Standby

I_CC

I_EE

I_L

25% duty cycle

50% duty cycle

115

I_CC

I_EE

I_L

125

I_CC

I_EE

I_L

230

250

100% duty cycle

Power Supply Voltages

VCC

VEE

+11.40

-11.40

+12.60

-12.60

+12.00

-12.00

±12V Operating Power Supply Voltage Range

+5V

Operating Power Supply Voltage Range)

+4.50 +5.00 +5.50

Note 1. Power on or off, measured from 75KHz to 1MHz at point A and transformer self impedance of 3KW minimum

at 1MHz.

Note 2: Power Supplies: ±12 Volts ±0.60 V & +5 Volts ±0.5 V, bypassed by 10 µF (Tantalum recommended)

Capacitor minimum. 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, DC to 2MHz

Note 4: Typical power is measured with V_BUSat point A = 7 V_P-P

Aeroflex Circuit Technology

SCD4433D REV B 1/30/98 Plainview NY (516)694-6700

Figure 3 – Transmitter (TX) Output Offset

Figure 5 – Typical 1553 Bus Connections

Transformer Coupled Stub

LAST BIT

70W

Magnified View

ACT 4433

52.5W

1 : 1.4

1 : 0.707

TX DATA OUT

OUTPUT OFFSET

0 Volts

OUTPUT OFFSET

TX DATA OUT

T1553-1

52.5W

2.5 µsec

RX DATA IN

Zoi

VCM

*Offset measured at point A in Figure 5

Direct Coupled Stub

Figure 4 – Hybrid Power Dissipation vs. Duty Cycle

(Total hybrid with one channel transmitting

ACT 4433

and the other not powered – 100% Duty Cycle)

52.5W

1 : 1

TX DATA OUT

3600

3200

3.0W

2800

Typical Hybrid Input Power

2400

TX DATA OUT

T1553-1

52.5W

RX DATA IN

2000

Zoi

1.9W

70W

1600

1200

800

400

Typical Hybrid

Dissipation

Transformer Model use Technitrol Part# 1553-1

or equivalent

0.270

10 20 30 40 50 60 70 80 90 100

DUTY CYCLE – PERCENT

Note: Vcc= +12V, VEE = -12V, VL= +5V, Transformer ratio 1:1,

V_BUS(point A) at 7VP-P.

Configurations and Ordering Information

ACT

Case

Style

DESC

Number

Rx Standby

Model # / Ordering Part #

ACT 4433-D

ACT 4433-DI

ACT 4433-DF

Plug In

TBA

Normally Low

Normally High

Plug In

Flat Package

Normally Low

Normally High

Flat Package

ACT 4433-DFI

Specifications subject to change without notice.

Aeroflex Circuit Technology

SCD4433D REV B 1/30/98 Plainview NY (516)694-6700

Figure 6 – Lead Numbers & Functions

ACT 4433D – Plug In and Flat Package

Pin #

Function

Channel

TX DATA OUT/ RX DATA IN

GROUND

RX STROBE

RX DATA OUT

CASE

TX DATA OUT/ RX DATA IN

GROUND

RX STROBE

RX DATA OUT

GROUND

-V

TX INHIBIT

TX DATA IN

GROUND

-V

TX INHIBIT

TX DATA IN

Aeroflex Circuit Technology

SCD4433D REV B 1/30/98 Plainview NY (516)694-6700

C I R C U I T T E C H N O L O G Y

Plug In Package Outline

1.480 MAX.

0.780

MAX.

0.600

Pin 1 & ESD

Designator

0.210

MAX.

.250

.018

.100

1.300

(13 Equal Spaces at .100)

Flat Package Outline

.180

MAX.

.072

1.500 MAX.

.015

0.780

MAX.

Lead 1 & ESD

Designator

.400

MIN.

.100

.010

1.300

(13 Equal Spaces at .100)

Telephone: (516) 694-6700

FAX: (516) 694-6715

Aeroflex Circuit Technology

35 South Service Road

Plainview New York 11830

www.aeroflex.com/act1.htm

Toll Free Inquiries: (800) THE-1553

E-Mail: sales-act@aeroflex.com

Aeroflex Circuit Technology

SCD4433D REV B 1/30/98 Plainview NY (516)694-6700

ACT4433-DFI [AEROFLEX]

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