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ADM1491EBRMZ-REEL7 Datasheet(PDF) 6 Page - Analog Devices |
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ADM1491EBRMZ-REEL7 Datasheet(HTML) 6 Page - Analog Devices |
6 / 16 page ADM1491E Rev. 0 | Page 6 of 16 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS 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 8 NC = NO CONNECT ADM1491E TOP VIEW (Not to Scale) ADM1491E TOP VIEW (Not to Scale) Figure 6. 14-Lead Narrow-Body SOIC Pin Configuration RO 1 RE 2 DE 3 DI 4 GND 5 VCC 10 A 9 B 8 Z 7 Y 6 Figure 7. 10-Lead MSOP Pin Configuration Table 5. Pin Function Descriptions Pin No. 14-Lead SOIC Mnemonic Description 10-Lead MSOP 1 N/A1 NC No Connect. This pin is available on the 14-lead SOIC only. 2 1 RO Receiver Output. 3 2 RE Receiver Output Enable. A low level enables the receiver output, whereas a high level places the receiver output in a high impedance state. 4 3 DE Driver Output Enable. A high level enables the differential driver outputs, A and B, whereas a low places the differential driver outputs in a high impedance state. 5 4 DI Driver Input. When the driver is enabled, a logic low on DI forces A low and B high, whereas logic high on DI forces A high and B low. 6 5 GND Ground. 7 N/A1 GND Ground. This pin is available on the 14-lead SOIC only. 8 N/A1 NC No Connect. This pin is available on the 14-lead SOIC only. 9 6 Y Noninverting Driver Output Y. 10 7 Z Inverting Driver Output Z. 11 8 B Inverting Receiver Input B. 12 9 A Noninverting Receiver Input A. 13 10 VCC Power Supply (5 V ± 5%). 14 N/A1 VCC Power Supply (5 V ± 5%). This pin is available on the 14-lead SOIC only. 1 N/A indicates not applicable to the MSOP. |
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