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ADM2487EBRWZ 데이터시트(PDF) 9 Page - Analog Devices |
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ADM2487EBRWZ 데이터시트(HTML) 9 Page - Analog Devices |
9 / 20 page ADM2482E/ADM2487E Rev. 0 | Page 9 of 20 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS NC = NO CONNECT ADM2482E/ ADM2487E TOP VIEW (Not to Scale) D1 1 D2 2 GND1 3 VDD1 4 VDD2 16 GND2 15 A 14 B 13 RxD 5 Z 12 RE 6 Y 11 DE 7 NC 10 TxD 8 GND2 9 Figure 13. Pin Configuration Table 7. Pin Function Descriptions Pin No. Mnemonic Description 1 D1 Transformer Driver Terminal 1. 2 D2 Transformer Driver Terminal 2. 3 GND1 Ground, Logic Side. 4 VDD1 Power Supply, Logic Side (3.3 V or 5 V). Decoupling capacitor to GND1 required; capacitor value should be between 0.01 μF and 0.1 μF. 5 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. 6 RE Receiver Enable Input. This is an active-low input. Driving this input low enables the receiver; driving it high disables the receiver. 7 DE Driver Enable Input. Driving this input high enables the driver; driving it low disables the driver. 8 TxD Transmit Data. 9 GND2 Ground, Bus Side. 10 NC No Connect. This pin must be left floating. 11 Y Driver Noninverting Output. 12 Z Driver Inverting Output. 13 B Receiver Inverting Input. 14 A Receiver Noninverting Input. 15 GND2 Ground, Bus Side. 16 VDD2 Power Supply, Bus Side (Isolated 3.3 V Supply). Decoupling capacitor to GND2 required; capacitor value should be between 0.01 μF and 0.1 μF. |
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