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ADM3491E Arkusz danych(PDF) 8 Page - Analog Devices |
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ADM3491E Arkusz danych(HTML) 8 Page - Analog Devices |
8 / 20 page ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E Rev. A | Page 8 of 20 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS RO 1 RE 2 DE 3 DI 4 VCC 8 B 7 A 6 GND 5 ADM3483E/ ADM3486E TOP VIEW (Not to Scale) VCC 1 RO 2 DI 3 GND 4 A 8 B 7 Z 6 Y 5 ADM3488E/ ADM3490E TOP VIEW (Not to Scale) NC 1 RO 2 RE 3 DE 4 VCC 14 VCC 13 A 12 B 11 DI 5 Z 10 GND 6 Y 9 GND 7 NC NC = NO CONNECT 8 ADM3491E TOP VIEW (Not to Scale) Figure 4. ADM3483E/ADM3486E Pin Configuration Figure 5. ADM3488E/ADM3490E Pin Configuration Figure 6. ADM3491E Pin Configuration Table 8. Pin Function Descriptions ADM3483E/ ADM3486E Pin No. ADM3488E/ ADM3490E Pin No. ADM3491E Pin No. Mnemonic Description 1 2 2 RO Receiver Output. If A > B by 200 mV, RO is high; if A < B by 200 mV, RO is low. 2 N/A 3 RE Receiver Output Enable. A low level enables the receiver output. A high level places it in a high impedance state. If RE is high and DE is low, the device enters a low power shutdown mode. 3 N/A 4 DE Driver Output Enable. A high level enables the driver differential A and B outputs. A low level places it in a high impedance state. If RE is high and DE is low, the device enters a low power shutdown mode. 4 3 5 DI Driver Input. With a half-duplex part when the driver is enabled, a logic low on DI forces A low and B high; a logic high on DI forces A high and B low. With a full-duplex part when the driver is enabled, a logic low on DI forces Y low and Z high; a logic high on DI forces Y high and Z low. 5 4 6, 7 GND Ground. N/A 5 9 Y Noninverting Driver Output. 6 N/A N/A A Noninverting Receiver Input A and Noninverting Driver Output A. N/A 8 12 A Noninverting Receiver Input A. N/A 6 10 Z Inverting Driver Output. 7 N/A N/A B Inverting Receiver Input B and Inverting Driver Output B. N/A 7 11 B Inverting Receiver Input B. 8 1 13, 14 VCC Power Supply, 3.3 V ± 0.3 V. Bypass VCC to GND with a 0.1 μF capacitor. N/A N/A 1, 8 NC No Connect. Not internally connected. Can be connected to GND. |
Podobny numer części - ADM3491E |
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Podobny opis - ADM3491E |
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