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ADM2682E Datasheet(PDF) 8 Page - Analog Devices |
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ADM2682E Datasheet(HTML) 8 Page - Analog Devices |
8 / 24 page ADM2682E/ADM2687E Rev. 0 | Page 8 of 24 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS GND1 1 VCC 2 RxD 3 RE 4 GND2 16 VISOIN 15 A 14 B 13 DE 5 Z 12 TxD 6 Y 11 VCC 7 VISOOUT 10 GND1 8 GND2 9 NOTES 1. PIN 10 AND PIN 15 MUST BE CONNECTED EXTERNALLY. ADM2682E/ ADM2687E TOP VIEW (Not to Scale) Figure 2. Pin Configuration Table 10. Pin Function Descriptions Pin No. Mnemonic Description 1 GND1 Ground, Logic Side. 2 VCC Logic Side Power Supply. It is recommended that a 0.1 μF and a 0.01 μF decoupling capacitor be fitted between Pin 2 and Pin 1. 3 RxD Receiver Output Data. This output is high when (A − B) ≥ −30 mV and low when (A − B) ≤ –200 mV. The output is tristated 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, while driving it high disables the receiver. 5 DE Driver Enable Input. Driving this input high enables the driver, while driving it low disables the driver. 6 TxD Driver Input. Data to be transmitted by the driver is applied to this input. 7 VCC Logic Side Power Supply. It is recommended that a 0.1 μF and a 10 μF decoupling capacitor be fitted between Pin 7 and Pin 8. 8 GND1 Ground, Logic Side. 9 GND2 Ground, Bus Side. 10 VISOOUT Isolated Power Supply Output. This pin must be connected externally to VISOIN. It is recommended that a reservoir capacitor of 10 μF and a decoupling capacitor of 0.1 μF be fitted between Pin 10 and Pin 9. 11 Y Driver Noninverting Output 12 Z Driver Inverting Output 13 B Receiver Inverting Input. 14 A Receiver Noninverting Input. 15 VISOIN Isolated Power Supply Input. This pin must be connected externally to VISOOUT. It is recommended that a 0.1 μF and a 0.01 μF decoupling capacitor be fitted between Pin 15 and Pin 16. 16 GND2 Ground, Bus Side. |
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