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CS5461-IS Datenblatt(PDF) 7 Page - Cirrus Logic |
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CS5461-IS Datenblatt(HTML) 7 Page - Cirrus Logic |
7 / 46 page CS5461 DS546PP2 7 Measurement and Reference Input Differential Voltage Inputs 9,10 VIN+, VIN- - Differential analog input pins for the voltage channel. Differential Current Inputs 15,16 IIN+, IIN- - Differential analog input pins for the current channel. Voltage Reference Output 11 VREFOUT - The on-chip voltage reference output. The voltage reference has a nominal magnitude of 2.5 V and is referenced to the VA- pin on the converter. Voltage Reference Input 12 VREFIN - The input to this pin establishes the voltage reference for the on-chip modula- tor. Power Supply Connections Positive Digital Supply 3 VD+ - The positive digital supply relative to DGND. Digital Ground 4 DGND - The common-mode potential of digital ground must be equal to or above the common-mode potential of VA-. Positive Analog Supply 14 VA+ - The positive analog supply relative to VA-. Analog Ground 13 VA- - The analog ground pin must be at the lowest potential. Power Fail Monitor 17 PFMON - The power fail Monitor pin monitors the analog supply. Typical threshold level (PMLO) is 2.45 V with respect to the VA- pin. If PFMON voltage threshold is tripped, the LSD (low-supply detect) bit is set in the Status Register. Once the LSD bit has been set, it cannot be reset until the PFMON voltage increases ~100 mV (typical) above the PMLO voltage. |
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Ähnliche Beschreibung - CS5461-IS |
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