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ADM2582EBRWZ Arkusz danych(PDF) 7 Page - Analog Devices |
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ADM2582EBRWZ Arkusz danych(HTML) 7 Page - Analog Devices |
7 / 20 page ADM2582E/ADM2587E Rev. 0 | Page 7 of 20 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS GND1 1 VCC 2 GND1 3 RxD 4 GND2 20 VISOIN 19 A 18 B 17 RE 5 GND2 16 DE 6 Z 15 TxD 7 GND2 14 VCC 8 Y 13 GND1 9 VISOOUT 12 GND1 10 GND2 11 NOTES 1. PIN 12 AND PIN 19 MUST BE CONNECTED EXTERNALLY. ADM2582E ADM2587E TOP VIEW (Not to Scale) Figure 2. Pin Configuration Table 10. Pin Function Description 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 10 μF decoupling capacitor be fitted between Pin 2 and Pin 1. 3 GND1 Ground, Logic Side. 4 RxD Receiver Output Data. This output is high when (A − B) > 200 mV and low when (A − B) < –200 mV. The output is tristated when the receiver is disabled, that is, when RE is driven high. 5 RE Receiver Enable Input. This is an active-low input. Driving this input low enables the receiver; driving it high disables the receiver. 6 DE Driver Enable Input. Driving this input high enables the driver; driving it low disables the driver. 7 TxD Driver Input. Data to be transmitted by the driver is applied to this input. 8 VCC Logic Side Power Supply. It is recommended that a 0.1 μF and a 0.01 μF decoupling capacitor be fitted between Pin 8 and Pin 7. 9 GND1 Ground, Logic Side. 10 GND1 Ground, Logic Side. 11 GND2 Ground, Bus Side. 12 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 12 and Pin 11. 13 Y Driver Noninverting Output 14 GND2 Ground, Bus Side. 15 Z Driver Inverting Output 16 GND2 Ground, Bus Side. 17 B Receiver Inverting Input. 18 A Receiver Noninverting Input. 19 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 19 and Pin 20. 20 GND2 Ground, Bus Side. |
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