Datenblatt-Suchmaschine für elektronische Bauteile |
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ADM2486 Datenblatt(PDF) 9 Page - Analog Devices |
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ADM2486 Datenblatt(HTML) 9 Page - Analog Devices |
9 / 20 page Data Sheet ADM2486 Rev. E | Page 9 of 20 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 1 PIN 2 AND PIN 8 ARE INTERNALLY CONNECTED. EITHER OR BOTH MAY BE USED FOR GND1. PIN 9 AND PIN 15 ARE INTERNALLY CONNECTED. EITHER OR BOTH MAY BE USED FOR GND2. VDD1 1 GND11 2 RxD 3 RE 4 VDD2 16 GND21 15 NC 14 B 13 RTS 5 A 12 TxD 6 NC 11 PV 7 DE 10 GND11 8 GND21 9 NC = NO CONNECT ADM2486 TOP VIEW (Not to Scale) Figure 2. Pin Configuration Table 8. Pin Function Descriptions Pin No. Mnemonic Description 1 VDD1 Power Supply (Logic Side), 3 V or 5 V Supply. Decoupling capacitor to GND1 required, capacitor value should be between 0.01 µF and 0.1 µF. 2, 8 GND1 Ground (Logic Side). 3 RxD Receiver Output Data. This output is high when (A – B) > 200 mV and low when (A – B) < –200 mV. The output is three-stated when the receiver is disabled, that is, when RE is driven high. 4 RE Receiver Enable Input. This is an active-low input. Driving this input low enables the receiver, and driving it high disables the receiver. 5 RTS Request to Send Input. Driving this input high enables the driver, and driving it low disables the driver. 6 TxD Transmit Data Input. Data to be transmitted by the driver is applied to this input. 7 PV Power_Valid. Used during power-up and power-down, needs to be tied high when the ADM2486 is operational, see the Applications Information section. 9, 15 GND2 Ground (Bus Side). 10 DE Driver Enable Status Output. This output signals the driver enable or disable status to other devices on the bus. DE is high when the driver is enabled and low when the driver is disabled. 11, 14 NC No Connect. 12 A Noninverting Driver Output/Receiver Input. When the driver is disabled, or when VDD1 or VDD2 is powered down, Pin A is put into a high impedance state to avoid overloading the bus. 13 B Inverting Driver Output/Receiver Input. When the driver is disabled, or when VDD1 or VDD2 is powered down, Pin B is put into a high impedance state to avoid overloading the bus. 16 VDD2 Power Supply (Bus Side), 5 V Isolated Supply. Decoupling capacitor to GND2 required, capacitor value should be between 0.01 µF and 0.1 µF. |
Ähnliche Teilenummer - ADM2486_15 |
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Ähnliche Beschreibung - ADM2486_15 |
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