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ADM1385ARS датащи(PDF) 4 Page - Analog Devices |
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ADM1385ARS датащи(HTML) 4 Page - Analog Devices |
4 / 8 page ADM3202/ADM3222/ADM1385 –4– REV. A PIN FUNCTION DESCRIPTIONS Mnemonic Function VCC Power Supply Input: +3.3 V ± 0.3 V. V+ Internally Generated Positive Supply (+6 V Nominal). V– Internally Generated Negative Supply (–6 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. TxIN Transmitter (Driver) Inputs. These inputs accept TTL/CMOS levels. TxOUT Transmitter (Driver) Outputs. These are RS-232 signal levels (typically ±9 V). RxIN Receiver Inputs. These inputs accept RS-232 signal levels. An internal 5 k Ω pull-down resistor to GND is connected on each input. RxOUT Receiver Outputs. These are CMOS output logic levels. EN (ADM3222) Receiver Enable, Active Low. When low, the receiver outputs are enabled. When high, they are three-stated. SD (ADM3222) Shutdown Control. Active Low. When low, the charge pump is shut down and the transmitter outputs are disabled. SD (ADM1385) Shutdown Control. When low, the charge pump is shut down and all transmitters and receivers are disabled. DD (ADM1385) Driver Disable. When low, the charge pump is turned off and the transmitters are disabled. The receivers remain active. PIN CONNECTIONS DIP (N, R Packages) PIN CONNECTIONS DIP (RS, RU Packages) TOP VIEW (Not to Scale) 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 ADM1385 (SSOP) NC = NO CONNECT NC R2IN T2OUT C1+ V+ C1– V– C2– C2+ NC T2IN T1IN VCC GND T1OUT R2OUT R1OUT R1IN DD SD TOP VIEW (Not to Scale) 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 C1+ V+ C1– C2+ C2– V– T2OUT R2IN VCC GND T1OUT R1IN R1OUT T1IN T2IN R2OUT ADM3202 TOP VIEW (Not to Scale) 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 ADM3222 (SSOP TSSOP) NC = NO CONNECT R2OUT R2IN T2OUT C1+ V+ C1– V– C2– C2+ NC T2IN T1IN VCC GND T1OUT NC R1OUT R1IN EN SD TOP VIEW (Not to Scale) 18 17 16 15 14 13 12 11 10 1 2 3 4 5 6 7 8 9 ADM3222 R2IN T2OUT EN C1+ V+ C1– V– C2– C2+ T2IN SD VCC GND T1OUT T1IN R1OUT R1IN R2OUT |
Аналогичный номер детали - ADM1385ARS |
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Аналогичное описание - ADM1385ARS |
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