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ADM234LAR Datasheet(PDF) 5 Page - Analog Devices |
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ADM234LAR Datasheet(HTML) 5 Page - Analog Devices |
5 / 16 page ADM223/ADM230L–ADM241L –5– REV. 0 *INTERNAL 400k Ω PULL-UP RESISTOR ON EACH TTL/CMOS INPUT **INTERNAL 5k Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT +5V TO +10V VOLTAGE DOUBLER +10V TO –10V VOLTAGE INVERTER 1µF 16V 1µF 6.3V +5V INPUT VCC V+ V– C1+ C1– C2+ C2– ADM232L 1µF 6.3V 1µF 16V 6 GND 15 4 5 3 1 2 1µF 6.3V T1IN RS-232 OUTPUTS TTL/CMOS INPUTS * T1OUT T2IN R1OUT R2OUT T2OUT R1IN R2IN R1 R2 T2 T1 TTL/CMOS OUTPUTS RS-232 INPUTS ** 13 10 7 11 8 14 9 12 16 Figure 6. ADM232L Typical Operating Circuit *INTERNAL 400k Ω PULL-UP RESISTOR ON EACH TTL/CMOS INPUT **INTERNAL 5k Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT +5V INPUT VCC V+ V– C1+ C1– C2+ C2– GND ADM233L 7 T1IN RS-232 OUTPUTS TTL/CMOS INPUTS * T1OUT T2IN R1OUT R2OUT T2OUT R1IN R2IN R1 R2 T2 T1 TTL/CMOS OUTPUTS RS-232 INPUTS ** 4 1 18 2 19 5 20 3 8 13 12 17 14 11 15 10 16 V– C2– C2+ 9 6 GND DO NOT MAKE CONNECTIONS TO THESE PINS INTERNAL –10V POWER SUPPLY INTERNAL +10V POWER SUPPLY Figure 8. ADM233L Typical Operating Circuit 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 TOP VIEW (Not to Scale) ADM233L R1IN T2IN R2IN T1OUT T2OUT R1OUT V+ V– VCC C1+ C2– C2+ C1– GND GND C2+ C2– R2OUT V– T1IN Figure 7. ADM233L DIP Pin Configuration 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 TOP VIEW (Not to Scale) ADM232L T1IN R1IN T1OUT R1OUT V+ VCC GND T2IN R2IN T2OUT R2OUT V– C1+ C1– C2– C2+ Figure 5. ADM232L DIP/SOIC Pin Configuration |
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