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ADM239LAN 데이터시트(PDF) 9 Page - Analog Devices |
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ADM239LAN 데이터시트(HTML) 9 Page - Analog Devices |
9 / 16 page ADM223/ADM230L–ADM241L –9– REV. 0 ADM241L SD GND 10 25 RS-232 INPUTS ** TTL/CMOS OUTPUTS R3 IN R4 IN R5 IN R3 OUT R4 OUT R5 OUT R5 R4 R3 24 *INTERNAL 400k Ω PULL-UP RESISTOR ON EACH TTL/CMOS INPUT **INTERNAL 5k Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT EN 18 27 23 19 22 26 R1 IN R2 IN R1 OUT R2 OUT R2 R1 9 4 5 8 T1 IN RS-232 OUTPUTS TTL/CMOS INPUTS * T1 OUT T2 IN T3 IN T4 IN T2 OUT T3 OUT T4 OUT T3 20 7 6 3 2 1 T4 T2 T1 +5V TO +10V VOLTAGE DOUBLER +10V TO –10V VOLTAGE INVERTER 16 15 14 12 17 1 µF 16V 13 1 µF 6.3V +5V INPUT V CC V+ V– C1+ C1– C2+ C2– 1 µF 16V 1 µF 16V 21 28 11 1 µF Figure 22. ADM241L Typical Operating Circuit ADM223 GND 10 25 RS-232 INPUTS ** TTL/CMOS OUTPUTS R3 IN R4 IN R5 IN R3 OUT R4 OUT R5 OUT R5 R4 R3 24 *INTERNAL 400k Ω PULL-UP RESISTOR ON EACH TTL/CMOS INPUT **INTERNAL 5k Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT NOTE: RECEIVERS R4 AND R5 REMAIN ACTIVE IN SHUTDOWN. EN SD 18 27 23 19 22 26 R1 IN R2 IN R1 OUT R2 OUT R2 R1 9 4 5 8 T1 IN RS-232 OUTPUTS TTL/CMOS INPUTS * T1 OUT T2 IN T3 IN T4 IN T2 OUT T3 OUT T4 OUT T3 20 7 6 3 2 1 T4 T2 T1 +5V TO +10V VOLTAGE DOUBLER +10V TO –10V VOLTAGE INVERTER 16 15 14 12 17 1 µF 16V 13 1 µF 6.3V +5V INPUT V CC V+ V– C1+ C1– C2+ C2– 1 µF 16V 1 µF 16V 21 28 11 1 µF Figure 24. ADM223 Typical Operating Circuit 1 2 3 7 28 27 26 22 8 9 10 21 20 19 11 12 18 17 4 5 25 24 6 23 TOP VIEW (Not to Scale) 13 14 16 15 ADM241L R2OUT R2IN R5IN T4IN R3IN T1OUT T2OUT T3OUT T4OUT R5OUT V+ V– VCC C1+ C1– C2+ C2– GND SD R3OUT EN T3IN R4IN R4OUT R1IN R1OUT T1IN T2IN Figure 21. ADM241L SOIC/SSOP Pin Configuration 1 2 3 7 28 27 26 22 8 9 10 21 20 19 11 12 18 17 4 5 25 24 6 23 TOP VIEW (Not to Scale) 13 14 16 15 ADM223 R2OUT R2IN R5IN T4IN R3IN T1OUT T2OUT T3OUT T4OUT R5OUT V+ V– VCC C1+ C1– C2+ C2– GND R3OUT EN SD T3IN R4IN R4OUT R1IN R1OUT T1IN T2IN Figure 23. ADM223 SOIC/SSOP Pin Configuration |
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