ACT4402 AEROFLEX | Alldatasheet

Document overview

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Technical content

Features

  • +5 / ±15 Volt Supply Operation
  • Low Power Dissipation
  • Outstanding MIL-STD-1553 performance
  • Superior High Frequency Line Transient and Input Ripple Rejection
  • 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 n Available in a 24pin Ceramic Housing which is 21% smaller than the metal plug-in n Non-conductive mounting surface n No package glass beads n Small size & light weight ACT4402 SINGLE TRANSCEIVER FOR MIL-STD-1553/1760

Aeroflex Circuit Technology SCD4402 REV A 5/28/99 Plainview NY (516)694-67003 Absolute Maximum Ratings Operating case temperature -55°C to +125°C Storage case temperature -65°C to +150°C Power supply voltage VCC VEE VL -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 Receiver differential input ±40 VP-P Receiver input voltage (common mode) ±10 V Driver peak output current 300 mA Total package power dissipation over the full operating case temperature rise

2.5 Watts

Maximum junction to case temperature 10°C Thermal resistance – junction to case 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 VIN = 0.4 V IILD -0.1 -0.2 mA "1" Input Current VIN = 2.7 V IIHD 1 40 µA "0" Input Voltage VIHD 0.7 V "1" Input Voltage VIHD 2.0 V Inhibit Characteristics "0" Input Current VIN = 0.4 V IILI -0.1 -0.2 mA "1" Input Current VIN=2.7V IIHI 1.0 40 µA "0" Input Voltage VILI 0.7 V "1" Input Voltage VIHI 2.0 V Delay from TX inhibit, (0Õ1) to inhibited output From mid pt inhibit to ±1.2V pt B, See Figure 5 t DXOFF 175 225 nS Delay from TX inhibit, (1Õ0) to active output tDXON 90 150 nS Differential output noise, inhibit mode VNOI 2 10 mVP-P Differential output impedance (inhibited) Note 1 See Figure 5 Point B ZOI 2K Ω Point C ZOI 1K Ω Output Characteristics Differential output level, See Figure 5 Point A VO 6 7.5 9 VP-P Rise and fall times(10% to 90% at pt A output) See Figure 5 Point A tr 100 160 300 nS Output offset, Figure 3, 2.5µS after midpoint crossing of the parity bit of the last word of a 660µS message See Figure 5 Point A VOS ± 90 mV peak Delay from 50% point of TX DATA or TX DATA input to zero crossing of differential signal. See Fig 5 Point A tDXT 100 200 nS

Aeroflex Circuit Technology SCD4402 REV A 5/28/99 Plainview NY (516)694-67004 Electrical Characteristics — Receiver Section Parameter Condition Symbol Min Typ Max Unit Differential Receiver Input Voltage Range (See Figure 5, Point B) TXFMR 1.4:1 VIDR 40 VP-P Common Mode Rejection Ratio (Note 3) CMRR 45 dB "1" State – Rx Data or Rx Data Output IOH = -0.4 mA VOH 2.5 3.7 V "0" State – Rx Data or Rx Data Output IOI = 4 mA VOL 0.35 0.5 V Delay (average) from Differential Input Zero Crossings to RX DATA and RX DATA Output 50% points tDXT 270 400 nS Input Threshold Voltage (referred to the bus) 100KHz–1MHz VTH 0.60 0.75 1.20 VP-P Strobe Characteristics (Logic "0" Inhibits Output) "0" Input Current VS = 0.4V IIL -0.1 -0.2 mA "1" Input Current VS = 2.7V IIH 1 +40 µA "0" Input Voltage VIL 0.7 V "1" Input Voltage VIH 2.0 V Strobe Delay (Turn-on or Turn-off) tSD 50 100 nS Power Data Power Supply Currents – Per Channel – See Figure 4 Transmitter Standby ICC IEE IL mA 25% duty cycle ICC IEE IL 50% duty cycle I CC IEE IL 100 100% duty cycle I CC IEE IL 180 200 Power Supply Voltages ±15V Operating Power Supply Voltage Range VCC VEE +14.25 -14.25 +15.00 -15.00 +15.75 -15.75 V +5V Operating Power Supply Voltage Range) VL +4.50 +5.00 +5.50 V Note 1. Power on or off, measured from 75KHz to 1MHz at point A and transformer self impedance of 3K Ω minimum at 1MHz. Note 2: Power Supplies: ±15 Volts ±0.75 V & +5 Volts ±0.5 V, bypassed by 10µF (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 BUS at point A = 7.5 VP-P

Aeroflex Circuit Technology SCD4402 REV A 5/28/99 Plainview NY (516)694-67005 Configuration and Ordering Information ACT Model # / Ordering Part # Case Style DESC Number Rx Standby ACT4402 Ceramic Dip TBA Normally Low ACT4402-I Ceramic Dip TBA Normally High Figure 3 – Transmitter (TX) Output Offset OUTPUT OFFSET * OUTPUT OFFSET * LAST BIT 2.5 µsec *Offset measured at point A in Figure 5

0 Volts

Figure 5 – Typical 1553 Bus Connections 1.4:1TX DATA OUT TX DATA OUT RX DATA IN RX DATA IN 70Ω 70Ω 52.5Ω Transformer Model use Technitrol Part# 1553-2 52.5Ω 2:1TX DATA OUT TX DATA OUT RX DATA IN RX DATA IN 52.5Ω 52.5Ω 1:1.4 Transformer Coupled Stub Direct Coupled Stub C B Zoi VCM Zoi A A T1553-2 T1553-2 ACT4402 ACT4402 or equivalent Figure 4 – Hybrid Power Dissipation vs. Duty Cycle 0 10 20 30 40 50 60 70 80 90 100 3200 2800 2400 2000 1600 1200 800 400 DUTY CYCLE – PERCENT POWER DISSIPATION MILLIWATTS 0.270 3600 2.97W 1.87W Typical Hybrid Dissipation Typical Hybrid Input Power Note: Vcc= +15V, VEE = -15V, VL= +5V, Transformer ratio 1.4:1, VBUS (point A) at 7.5VP-P. Specifications subject to change without notice.

Aeroflex Circuit Technology SCD4402 REV A 5/28/99 Plainview NY (516)694-67006 Figure 6 – Lead Numbers & Functions ACT4402 Pin # Function

1 TX DATA OUT

2 TX DATA OUT

3 GROUND

7 RX DATA OUT

8 STROBE

9 GROUND

10 RX DATA OUT

13 VCC

15 RX DATA IN

16 RX DATA IN

18 CASE

19 VEE

21 TX INHIBIT

22 TX DATA IN

23 TX DATA IN

Aeroflex Circuit Technology SCD4402 REV A 5/28/99 Plainview NY (516)694-67007 Ceramic Package Outline All dimensions in inches .200 MAX 1.270 MAX .620 MAX .150 MIN.030 .010 .050 TYP .019 .015 .590 .610 .008 .012 1324 Pin# 1 & ESD Designator Aeroflex Circuit Technology

35 South Service Road

Telephone: (516) 694-6700 FAX: (516) 694-6715 Toll Free Inquiries: (800) THE-1553 www.aeroflex.com E-Mail: sales-act@aeroflex.com CIRCUIT TECHNOLOGY