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CPC7582BB Datasheet(PDF) 5 Page - Clare, Inc. |
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CPC7582BB Datasheet(HTML) 5 Page - Clare, Inc. |
5 / 12 page Table 6. Make-Before-Break Operation (Ringing to Idle/Talk Transition) Ring Ring Break Return Access Line Access Switches Switch Switch Switches Access Input TSD State Timing 1 & 2 3 4 5 & 6 0V 5V Float Ringing - Open Closed Closed Open 0V 0V Float Make-before-break SW4 waiting for next zero current Closed Open Closed Open crossing to turn off. Maximum time is one half of ringing. In this transition state, current that is limited to the dc break switch current limit value will be sourced from the ring node of the SLIC 0V 0V Float Idle / Talk Zero cross current has occurred Closed Open Open Open Table 5. Additional Electrical Characteristics Parameters Conditions Symbol Min Typ Max Units Digital Input Characteristics Input Low Voltage - - - - 1.5 V Input High Voltage - - 3.5 - - V Input Leakage Current (High) V DD = 5.5V, VBAT = -75V, I log - 0.1 1 µA V log = 5V Input Leakage Current (Low) V DD = 5.5V, VBAT = -75V, I log - 0.1 1 µA V log = 0V Power Requirements Power Dissipation V DD = 5V, VBAT = -48V, Idle/Talk State or All Off State I DD, IBAT - 5.5 7.5 mW Ringing State or Access State I DD - 6.5 10 mW V DD Current V DD = 5V, Idle/Talk State or All Off State I DD - 1.1 1.5 mA Ringing State or Access State I DD - 1.3 1.9 mA V BAT Current V BAT = -48V, Idle/Talk State or All Off State I BAT - 0.1 10 µA Ringing State or Access State I BAT - 0.1 10 µA Temperature Shutdown Requirements1 Shutdown Activation Temperature - - 110 125 150 ˚C Shutdown Circuit Hysteresis - - 10 - 25 ˚C 1 Temperature shutdown flag (TSD) will be high during normal operation and low during temperature shutdown state. CPC7582 www.clare.com 5 Rev. 1.0 |
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