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ADM223 数据表(PDF) 6 Page - Analog Devices |
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ADM223 数据表(HTML) 6 Page - Analog Devices |
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6 / 16 page ![]() ADM223/ADM230L–ADM241L –6– REV. B 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 TOP VIEW (Not to Scale) ADM234L T1IN T3IN T3OUT V+ VCC GND T2IN T4IN T1OUT T4OUT V– C1+ C1– C2– C2+ T2OUT Figure 9. ADM234L DIP/SOIC Pin Configuration 1 2 3 7 24 23 22 18 8 9 10 17 16 15 11 12 14 13 4 5 21 20 6 19 TOP VIEW (Not to Scale) ADM235L T1IN T2IN T3IN T4IN T5IN T1OUT T2OUT T3OUT T4OUT T5OUT VCC GND SD EN R3IN R4IN R5IN R1IN R2IN R2OUT R1OUT R3OUT R4OUT R5OUT Figure 11. ADM235L DIP Pin Configuration ADM234L 1 F 6.3V 1 F 16V C1+ C1– C2– C2+ T1IN T1 T1OUT T2IN T2 T2OUT TTL/CMOS INPUTS* RS-232 OUTPUTS V– 1 F 16V +10V TO –10V VOLTAGE INVERTER 1 F 6.3V 1 F 6.3V 5V INPUT V+ VCC +5V TO +10V VOLTAGE DOUBLER * INTERNAL 400k PULL-UP RESISTOR ON EACH TTL/CMOS INPUT. T3 T4 T3IN T4IN GND T3OUT T4OUT Figure 10. ADM234L Typical Operating Circuit ADM235L T1IN T1 T1OUT T2IN T2 T2OUT TTL/CMOS INPUTS* RS-232 OUTPUTS 1 F 5V INPUT T3 T4 T5 T3IN T4IN T5IN VCC R1OUT R1 R1IN R2OUT R2 R2IN TTL/CMOS OUTPUTS RS-232 INPUTS** R3IN R4IN R5IN R3OUT R4OUT R5OUT T3OUT T4OUT T5OUT EN SD * INTERNAL 400k PULL-UP RESISTOR ON EACH TTL/CMOS INPUT. ** INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT. GND R3 R4 R5 Figure 12. ADM235L Typical Operating Circuit OBSOLETE |
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