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| Audio ICs Bus interface for car audio BA8272F The BA8272F is a bus interface IC (slave side) developed for car audio applications. When used with the BA8272F (master side), it is possible to construct a communication system for the deck and components such as power amplifiers, CD and MD changers, tuners and TVs using BUS ON, DATA, CLOCK and RESET signals. FApplications Car audio systems FFeatures 1) Allows construction of a communication system with BUS ON, DATA, CLOCK and RESET signals when used with the BA8270F (master side). 2) Ideal for car audio systems. FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 920 Audio ICs FBlock diagram BA8272F 921 Audio ICs FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 5.5V) BA8272F 922 Audio ICs FMeasurement circuit BA8272F 923 Audio ICs FMeasurement circuit switch operation table BA8272F 924 Audio ICs FApplication example BA8272F FOperation notes (1) We guarantee the application circuit design, but recommend that you thoroughly check its characteristics in actual use. If you change any of the external component values, check both the static and transient characteristics of the circuit, and allow sufficient margin in your selections to take into account variations in the components and ICs. Note that Rohm has not fully investigated patent rights regarding this product. (2) Based on the EIAJ static electric destruction voltage measurement (C = 200pF and R = 0), the withstanding voltage of pins 4, 5 and 12 has been determined to be 200V or less. Take due care. FExternal dimensions (Units: mm) 925 |
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