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| ARX4404 & 4407 Transceivers for MACAIR A3818, A5690, A5232, A4905 & MIL-STD-1553 Features * ARX4404 Transceiver meets MIL-STD-1553A & B, Macair A3818, A4905, A5232 and A5690 specs * ARX4407 Transceiver meets MIL-STD-1553 specs * Bipolar Supply 15V to 12V, Logic Supply +5V * Direct replacement for CT3231 and CT3232 * Voltage source output for higher bus drive power * Plug-in, flat package or low profile flat package * Monolithic construction using linear ASICs * Variable receiver threshold capability * Low receiver data level versions, ARX4440, 4467 * Processed and screened to MIL-STD-883 specs * DESC SMD (Standard Military Drawing) * MIL-PRF-38534 Compliant Devices Available www.aeroflex.com/act1.htm CIRCUIT TECHNOLOGY General Description The Aeroflex Laboratories transceiver models ARX4404 and ARX4407 are new generation monolithic transceivers which provide full compliance with Macair and MIL-STD-1553 data bus requirements The model ARX4404 and model ARX4407 perform the front-end analog function of inputting and outputting data through a transformer to a MIL-STD-1553 or Macair data bus. The ARX4404 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. The ARX4407 is compatible with MIL-STD-1553A and B. 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 ARX4404 series 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 "Set Internal Threshold" terminals. ARX4404FP/4404 Transceivers TX DATA OUT TX DATA IN TX DATA IN V+ TX INHIBIT EX THRESHOLD DATA DATA SET INTERNAL THRESHOLD DATA EX THRESHOLD DATA +5 V -12V or -15V RX DATA IN RX DATA IN +15V or +12V STROBE INPUT AMP COMP. RX DATA OUT DRIVER SHAPING OUTPUT STAGE TX DATA OUT V- ACTIVE FILTER COMP. RX DATA OUT Transmitter The Transmitter section accepts bi-phase TTL data at the input and when coupled to the data bus with a Block Diagram (without Transformer) EROFLEX CIRCUIT TECHNOLOGY - Data Bus Modules for the Future (c)SCD4404 REV D 10/27/99 1:1 transformer, isolated on the data bus side with two 52.5 Ohm fault isolation resistors, and loaded by two 70 Ohm terminations plus additional receivers, the data bus signal produced is 7.0 Volts minimum P-P at A-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 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 Volts P-P and reject signals less than 0.6 Volts P-P when used with a 1:1 turns ratio transformer. (See Figure 5 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. If unused, a 2K Ohm pull-up to +5 Volts is recommended. Figure 1 - Transmitter Logic Waveforms 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 2 - Receiver Logic Waveforms LINE TO LINE INPUT DATA OUT DATA OUT Note overlap NOTE: Waveforms shown are for normally low devices. For normally high receiver output level devices, the receiver outputs are swapped as shown by the dashed lines Aeroflex Circuit Technology 2 SCD4404 REV D 10/27/99 Plainview NY (516) 694-6700 Absolute Maximum Ratings Operating case temperature Storage Case Temperature Power Supply Voltages Logic Input Voltage Receiver Differential Input Receiver Input Voltage (Common Mode) Driver Peak Output Current Total Package Power Dissipation over the Full Operating Case Temperature Range Maximum Junction to Case Temperature Junction-Case, Thermal Resistance 16 V -0.3 V to +5.5 V 40 V 10V 300 mA 3.6 Watts 18C 5C/W -55C to +125C -65C to +150C +7 V Electrical Characteristics, Transmitter Section Input Characteristics, TX DATA IN or TX DATA IN Parameter Condition "0" Input Current "1" Input Current "0" Input Voltage "1" Input Voltage VIN = 0.4 V VIN = 2.7 V Symbol IILD IIHD VIHD VIHD Min 2.0 Typ -0.2 1.0 - Max -0.4 40 0.7 - Unit mA A V V Inhibit Characteristics "0" Input Current "1" Input Current "0" Input Voltage "1" Input Voltage Delay from TX inhibit(01) to inhibited output Delay from TX inhibit, (10) to active output Differential output noise, inhibit mode Differential output impedance (inhibited) Note 2 Note 1 Note 1 VIN = 0.4 V VIN = 2.7 V IILI IIHI VILI VIHI tDXOFF tDXON VNOI ZOI 2 2K -0.2 1.0 300 300 0.8 -0.4 40 0.7 450 450 10 mA A V V nS nS mVp-p Output Characteristics Differential output level Rise and fall times (10% to 90% of p-p output) Output offset at point A-A' on Fig 5., 2.5 S after midpoint crossing of the parity bit of the last word of a 660 S message Delay from 50% point of TX DATA or TX DATA input to zero crossing of differential signal. (Note 1) Aeroflex Circuit Technology RL = 35 ARX4404 ARX4407 RL = 35 ARX4404 ARX4407 VO t R & tF 7 200 100 7.5 250 180 9 300 300 90 Vp-p nS VOS 240 tDTX 150 mVpeak nS nS 300 300 3 SCD4404 REV D 10/27/99 Plainview NY (516) 694-6700 Electrical Characteristics, Receiver Section Parameter Differential Input Impedance Differential Input Voltage Range Input Common Mode Voltage Range Common Mode Rejection Ratio Note 3 Note 1 Note 1 Condition f = 1MHz Symbol ZIN VIDR VICR CMRR Min 20K 10 40 Typ 100K - Max 40 - Unit Vp-p Vp-p dB Strobe Characteristics (Logic "0" Inhibits Output) "0" Input Current "1" Input Current "0" Input Voltage "1" Input Voltage Strobe Delay (Turn-on or Turn-off) Note 1 VS = 0.4 V VS = 2.7 V IIL IIH VIL VIH tSD 2.0 -0.2 -1.0 -0.4 +40 0.7 150 mA A V V nS Threshold Characteristics (Sinewave Input ) Internal Threshold Voltage 100KHz-1MHz (Referred to the bus) Pins 6 and 11 grounded External Threshold Pins 6 & 11 open, Pin 5 with a 5.9K resistor to GND, Pin 12 with a 6.65K resistor to GND, 1MHZ Sinewave applied to point A-A" VTH 0.60 0.80 1.15 Vp-p VTH(EXT) 1.5 1.9 2.3 Vp-p Output Characteristics, RX DATA and RX DATA "1" State "0" State Delay (average), from differential input zero crossings to RX DATA and RX DATA output 50% points IOH = -0.4 mA IOL = 4 mA Note 1 VOH VOL tDRX 2.5 3.6 0.35 300 0.5 450 V V nS Power Supply Currents (Power Supplies set at +15V, -15V, +5V) Transmitter Standby ICC IEE IL ICC IEE IL ICC IEE IL ICC IEE IL 30 50 25 50 70 25 75 45 25 120 140 25 60 75 35 85 105 35 110 130 35 160 180 35 Power Data 25% duty cycle mA 50% duty cycle 100% duty cycle Recommended Power Supply Voltage Range +V -V Logic Aeroflex Circuit Technology +11.4 Volts to +15.75 Volts -11.4 Volts to -15.75 Volts +4.5 Volts to +5.5 Volts 4 SCD4404 REV D 10/27/99 Plainview NY (516) 694-6700 Figure 3 - Transmitter (TX) Output Wave form Figure 4 - Transmitter (TX) Output offset Last Bit tf* 90% Magnified View OUTPUT OFFSET* 6.5V P-P MIN 8.5V P-P MAX 0 Volts 0 Volts OUTPUT OFFSET* 10% 2.5 sec tr* * Rise and fall times measured at point A-A' in Fig 5 *Offset measured at point A-A' in Fig 5 Figure 5 - Typical Transformer connection 70 70 Figure 6 - Power Dissipation vs. Duty Cycle 4.0 N1:N2 B Ctr tap B' TX DATA OUT 52.5 RX DATA IN RX DATA IN Transformer turns ratios: N1:N2 = 1:1 N1:N3 = 1:0.71 Use Aeroflex 25T1553-1 0 0 10 20 30 40 50 60 70 80 90 100 A' 52.5 A N1:N3 for stub coupling POWER DISSIPATION WATTS 3.5 3.0 2.5 2.0 1.5 1.0 0.5 (TYPICAL) TX DATA OUT DUTY CYCLE, PERCENT Notes: 1. Characteristics guaranteed by design, not production tested. 2. Measured from 75KHz to 1MHz at point A-A' with transformer self impedance of 3K minimum, power on or off. 3. Specifications apply over the temperature range of -55C to +125C (case temperature) unless otherwise noted. 4. All typical values are measured at +25C The information contained in this data sheet is believed to be accurate; however, Aeroflex Circuit Technology. assumes no responsibility for its use, and no licence or rights are granted by implication or otherwise in connection therewith. Aeroflex Circuit Technology 5 SCD4404 REV D 10/27/99 Plainview NY (516) 694-6700 CIRCUIT TECHNOLOGY PLUG-IN PACKAGE 1.27 MAX 1.10 24 1.27 MAX 13 Pin Connections 1. TX DATA OUT 2. TX DATA OUT 3. TX GND (+5V) 4. +15V (TX) 5. EXT. DATA THRES 6. INT. DATA THRES 7. RX DATA OUT 8. STROBE 9. RX GND (+5V) 10. RXDATA OUT 11. INT DATA THRES 12. EXT DATA THRES 13. +15V (RX) 14. N.C. 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) FLAT PACKAGE 1.27 MAX 0.017 0.002 Designator Pin 1 & ESD 1.27 MAX 1.10 12 Designator Pin 1 & ESD 0.10 Typ 0.400 MAX 2 sides 0.175 MAX 0.24 MIN 0.018 DIA. 0.002 0.100 0.009 0.002 0.167 for Low Profile Flat Pack 0.200 for Std Flat Pack 0.080 0.015 Notes 1. Dimensions shown are in inches 2. Pins are equally spaced at 0.1000.002 tolerance non-cumulative each row. Special Note If using the 4404 To replace the 3404 4440 3464 " " " 4407 " 3407 4467 3467 " " Please note that Pins 6 and 11 must be GROUNDED in order for the receiver to operate. These Pins were No Connect in the 3400 Series, because the External Variable Threshold was not an option. Configurations and Ordering Information DESC No. 5962-9174909HXC 5962-9174909HXA 5962-9174909HYC 5962-9174909HYA 5962-9174908HXC 5962-9174908HXA 5962-9174908HYC 5962-9174908HYA To Be Assigned To Be Assigned To Be Assigned To Be Assigned Model No. ARX4404-001-1 ARX4404-001-2 ARX4404-201-1 ARX4404-201-2 ARX4407-001-1 ARX4407-001-2 ARX4407-201-1 ARX4407-201-2 ARX4440 ARX4440-FP ARX4467 ARX4467-FP Receiver Data level Normally High Normally High Normally High Normally High Normally High Normally High Normally High Normally High Normally Low Normally Low Normally Low Normally Low Case Plug In Plug In Flat Pack Flat Pack Plug In Plug In Flat Pack Flat Pack Plug In Flat Pack Plug In Flat Pack Specs. 1553 & Macair 1553 & Macair 1553 & Macair 1553 & Macair 1553 1553 1553 1553 1553 & Macair 1553 & Macair 1553 1553 Specifications subject to change without notice Aeroflex Circuit Technology 35 South Service Road Plainview New York 11803 www.aeroflex.com/act1.htm Aeroflex Circuit Technology Telephone: (516) 694-6700 FAX: (516) 694-6715 Toll Free Inquiries: (800) 843-1553 E-Mail: sales-act@aeroflex.com 6 SCD4404 REV D 10/27/99 Plainview NY (516) 694-6700 |
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