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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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AD7622 Fiches technique(PDF) 11 Page - Analog Devices |
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AD7622 Fiches technique(HTML) 11 Page - Analog Devices |
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11 / 32 page  AD7952 Rev. 0 | Page 11 of 32 Pin No. Mnemonic Type1 Description 39 IN− AI Analog Input. Referenced to IN+. In the 0 V to 5 V input range, IN− is between 0 V and VREF V centered about VREF/2. In the 0 V to 10 V range, IN− is between 0 V and 2 VREF V centered about VREF. In the ±5 V and ±10 V ranges, IN− is true bipolar up to ±2 VREF V (±5 V range) or ±4 VREF V (±10 V range) and centered about 0 V. In all ranges, IN− must be driven 180° out of phase with IN+. 40 VCC P High Voltage Positive Supply. Normally 7 V to 15 V. 41 VEE P High Voltage Negative Supply. Normally 0 V to −15 V (0 V in unipolar ranges). 43 IN+ AI Analog Input. Referenced to IN−. In the 0 V to 5 V input range, IN+ is between 0 V and VREF V centered about VREF/2. In the 0 V to 10 V range, IN+ is between 0 V and 2 VREF V centered about VREF. In the ±5 V and ±10 V ranges, IN+ is true bipolar up to ±2 VREF V (±5 V range) or ±4 VREF V (±10 V range) and centered about 0 V. In all ranges, IN+ must be driven 180° out of phase with IN−. 45 TEMP AO Temperature Sensor Analog Output. When the internal reference is enabled (PDREF = PDBUF = low), this pin outputs a voltage proportional to the temperature of the AD7952. See the Temperature Sensor section. 46 REFBUFIN AI Reference Buffer Input. When using an external reference with the internal reference buffer (PDBUF = low, PDREF = high), applying 2.5 V on this pin produces 5 V on the REF pin. See the Single-to-Differential Driver section. 47 PDREF DI Internal Reference Power-Down Input. When low, the internal reference is enabled. When high, the internal reference is powered down, and an external reference must be used. 48 PDBUF DI Internal Reference Buffer Power-Down Input. When low, the buffer is enabled (must be low when using internal reference). When high, the buffer is powered down. 1 AI = analog input; AI/O = bidirectional analog; AO = analog output; DI = digital input; DI/O = bidirectional digital; DO = digital output; P = power. 2 In serial configuration mode (SER/PAR = high, HW/SW = low), this input is programmed with the serial configuration register, and this pin is a don’t care. See the Hardware Configuration section and Software Configuration section. |
Numéro de pièce similaire - AD7622 |
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Description similaire - AD7622 |
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