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ADC12181 Fiches technique(PDF) 4 Page - National Semiconductor (TI) |
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ADC12181 Fiches technique(HTML) 4 Page - National Semiconductor (TI) |
4 / 17 page Pin Descriptions and Equivalent Circuits #2 (Continued) No. Symbol Equivalent Circuit Description 14-19, 22-27 D0 - D11 Digital output word, CMOS compatible. D0 (pin 14) is LSB, D11 (pin 27) is MSB. Load with no more than 50pF. 3V IN com Analog input common. Connect to a quiet point in analog ground near the driving device. See section 1.2. 5V A Positive analog supply pin. Connect to a clean, quiet voltage source of +5V. V A and VD should have a common supply and be separately bypassed with a 5µF to 10µF capacitor and a 0.1µF chip capacitor. 4, 6 AGND The ground return for the analog supply. AGND and DGND should be connected together close to the ADC12181 package. See section 5.0. 13 V D Positive analog supply pin. Connect to a clean, quiet voltage source of +5V. V A and VD should have a common supply and be separately bypassed with a 5µF to 10µF capacitor and a 0.1 µF chip capacitor. 9, 12 DGND The ground return for the analog supply. AGND and DGND should be connected together close to the ADC12181 package. See section 5.0 21 V D I/O The digital output driver supply pin. This pin can be operated from a supply voltage of 3V to 5V, but the voltage on this pin should never exceed the V D supply pin voltage. 20 DGND I/O The ground return for the output drivers. This pin should be returned to a point in the digital ground that is removed from the other ground pins of the ADC12181. www.national.com 4 |
Numéro de pièce similaire - ADC12181 |
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Description similaire - ADC12181 |
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