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ACT4489-DI Datasheet(PDF) 4 Page - Aeroflex Circuit Technology |
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ACT4489-DI Datasheet(HTML) 4 Page - Aeroflex Circuit Technology |
4 / 7 page Aeroflex Circuit Technology SCD4489D REV A 1/30/98 Plainview NY (516) 694-6700 4 Electrical Characteristics — Receiver Section Parameter Condition Symbol Min Typ Max Unit Differential Receiver Input Voltage Range (See Figure 5, Point B) TXFMR 1:1 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 0 12 18 1 16 30 mA 25% duty cycle ICC IEE IL 58 12 18 63 20 30 50% duty cycle ICC IEE IL 115 12 18 125 20 30 100% duty cycle ICC IEE IL 230 12 18 250 20 30 Power Supply Voltages ±12V Operating Power Supply Voltage Range VCC VEE +11.40 -11.40 +12.00 -12.00 +12.60 -12.60 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: ±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 BUS at point A = 7 VP-P |
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