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SP304ES 数据表(PDF) 2 Page - Sipex Corporation |
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SP304ES 数据表(HTML) 2 Page - Sipex Corporation |
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2 / 12 page ![]() Corporation SIGNAL PROCESSING EXCELLENCE 78 SPECIFICATIONS (T MIN ≤ TA ≤ TMAX and nominal supply voltages unless otherwise noted) PARAMETER MIN. TYP. MAX. UNITS CONDITIONS RS-232 DRIVER TTL Input Level V IL 0 0.8 V V IH 2.0 V High Level Output +5.0 V R L = 3k Ω, V IN = 0.8V Low Level Output -5.0 V R L = 3k Ω, V IN = 2.0V Short Circuit Current ±30 mA V OUT = 0V Loopback Output Voltage -1.5 V R L = 3k Ω, V EE = -12.0V; Note 1 Slew rate 30 V/ µsC L = 50pF, RL = 3k Ω; T A = 25 °C Transition Time 3 µsV OUT from +3V to -3V or -3V to +3V Maximum Transmission Rate 200 kbps RS-232 RECEIVER Input Voltage Range -15 +15 V Note 6 Input High Threshold +1.75 +2.5 V Positive-going Input Low Threshold +0.75 +1.35 V Negative-going Input Impedance 3 7 k Ω TTL Output Level V OL 0.4 V V CC = +4.75V, IOUT = +1.6mA V OH 2.4 V V CC = +4.75V, IOUT = -0.5mA Maximum Receiving Rate 200 kbps RS-422 DRIVER TTL Input Level V IL 0 0.8 V V IH 2.0 V High Level Output 2.75 6.0 V I OH = -20mA Low Level Output 1.0 V I OL = +20mA Differential Output ±2V R L = 100 Ω ±6V R L = ∞ Short Circuit Current ±100 mA Note 2 Output Current ±500 µA -0.25V ≤ V O ≤ 6V; power off Transition Time 400 ns R L = 100 Ω, C L = 15pF; Note 3 Maximum Transmission Rate 1,000 kbps RS-422 RECEIVER Common Mode Range ±7 V Note 4 Differential Input ±15 V Note 4 Differential Input Threshold -0.2 +0.2 V T A = 25 °C Input Voltage Hysteresis 30 mV V CM = 0V; TA = 25 °C Input Resistance 3 k Ω -7V ≤ V CM ≤ +7V TTL Output Level V OL 0.4 V V CC = +4.75V, IOUT = +1.6mA V OH 2.4 V V CC = +4.75V, IOUT = -0.5mA Maximum Receiving Rate 1,000 kbps Short Circuit Output Current ±120 mA V OUT = 0V POWER REQUIREMENTS V DD = +12V, ±10% 7 15 mA Note 5 V CC = +5V, ±10% 5 7 mA Note 5 V EE = -12V, ±10% 11 20 mA Note 5 ENVIRONMENTAL Operating Temperature -CS 0 +70 °C -MR -55 +125 °C Storage Temperature -65 +150 °C |
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