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ADM202E Fiches technique(PDF) 3 Page - Analog Devices |
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ADM202E Fiches technique(HTML) 3 Page - Analog Devices |
3 / 12 page ADM202E/ADM1181A –3– REV. 0 PIN FUNCTION DESCRIPTION Mnemonic Function VCC Power Supply Input: +5 V ± 10%. V+ Internally Generated Positive Supply (+9 V nominal). V– Internally Generated Negative Supply (–9 V nominal). GND Ground Pin. Must Be Connected to 0 V. C1+, C1– External Capacitor 1 is connected between these pins. 0.1 µF capacitor is recommended but larger capacitors up to 47 µF may be used. C2+, C2– External Capacitor 2 is connected between these pins. 0.1 µF capacitor is recommended but larger capacitors up to 47 µF may be used. TIN Transmitter (Driver) Inputs. These inputs ac- cept TTL/CMOS levels. TOUT Transmitter (Driver) Outputs. These are RS- 232 signal levels (typically ±9 V). RIN Receiver Inputs. These inputs accept RS-232 signal levels. An Internal 5 k Ω pull-down resis- tor to GND is connected on each input. ROUT Receiver Outputs. These are CMOS output logic levels. C1+ C1– C2+ C2– VCC 0.1µF 10V 0.1µF 10V V+ V– +5V TO +10V VOLTAGE DOUBLER 3 1 2 +5V INPUT C3 0.1µF 6.3V 4 5 +10V TO –10V VOLTAGE INVERTER 6 C4 0.1µF 10V T1 14 11 T1OUT T1IN 16 C5 0.1µF 7 10 T2OUT T2IN T2 12 13 8 9 R1 R2 ADM202E R1OUT R2OUT R1IN R2IN CMOS INPUTS CMOS OUTPUTS EIA/TIA-232 OUTPUTS EIA/TIA-232 INPUTS * 15 NOTE *INTERNAL 5k Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT GND ADM202E Typical Operating Circuit C1+ C1– C2+ C2– VCC 0.1µF 10V 0.1µF 10V V+ V– +5V TO +10V VOLTAGE DOUBLER 3 1 2 +5V INPUT C3 0.1µF 10V 4 5 +10V TO –10V VOLTAGE INVERTER 6 C4 0.1µF 10V T1 14 11 T1OUT T1IN 16 C5 0.1µF 10V 7 10 T2OUT T2IN T2 12 13 8 9 R1 R2 ADM1181A R1OUT R2OUT R1IN R2IN CMOS INPUTS CMOS OUTPUTS EIA/TIA-232 OUTPUTS EIA/TIA-232 INPUTS * 15 NOTE *INTERNAL 5k Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT GND ADM1181A Typical Operating Circuit PIN CONNECTIONS 14 13 12 11 16 15 10 9 8 1 2 3 4 7 6 5 TOP VIEW (Not to Scale) ADM202E ADM1181A NC = NO CONNECT C1+ R1IN T1OUT GND VCC V+ C1– C2+ T2IN T1IN R1OUT C2– V– T2OUT R2IN R2OUT |
Numéro de pièce similaire - ADM202E |
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Description similaire - ADM202E |
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