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ADM3085AN Scheda tecnica(PDF) 11 Page - Analog Devices |
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ADM3085AN Scheda tecnica(HTML) 11 Page - Analog Devices |
11 / 14 page ADM3082/ADM3085/ADM3088 –11– PRELIMINARY TECHNICAL DATA PIN FUNCTION DESCRIPTION Pin Mnemonic Description 1 R O Receiver Output. When RE is low and A - B (more positive than) –50mV, RO will be high. When RE is low and A – B (more negative than) –200mV, RO will be low. 2 RE Receiver Output Enable. Take RE low to enable RO; RO is high impedance when RE is high. Take RE high and DE low to enter low-power shutdown mode. 3 D E Driver Output Enable. Take DE high to enable driver outputs. These outputs are high impedance when DE is low. Take RE high and DE low to enter low-power shutdown mode. 4 D I Driver Input. With DE high, a low on DI forces non-inverting output low and inverting output high. Similarly, a high on DI forces non-inverting output high and inverting output low. 5 G N D Ground 6 A Non-Inverting Receiver Input and Non-Inverting Driver Output 7 B Inverting Receiver Input and Inverting Driver Output 8VCC Positive Supply 4.75V =VCC =5.25V TRANSMITTING INPUTS OUTPUTS RE DE DI B/Z A/Y X1 1 0 1 X1 0 1 0 0 0 X High-Z High-Z 1 0 X Shutdown RECEIVING INPUTS OUTPUT RE DE DE DE DE DE A-B A-B A-B A-B A-B RO RO RO RO RO 0X -0.05V 1 0X -0.2V 0 0 X Open/shorted 1 1 1 X High-Z 1 0 X Shutdown X = Don’t care Shutdown mode, driver and receiver outputs high impedance DEVICE TRUTH TABLES REV. PrA 02/02 |
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