BU2615S Rohm, BU2615S Datasheet
BU2615S
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BU2615S Summary of contents
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... Audio ICs PLL frequency synthesizer for tuners BU2615S / BU2615FS The BU2615 PLL frequency synthesizers work up through the FM band. Featuring low radiation noise, low power con- sumption, and highly sensitive built-in RF amps, they support an IF count function. FApplications Tuners (Mini components, radio cassette players, radio equipment, etc ...
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... Audio ICs FBlock diagram FPin assignments 126 BU2615S / BU2615FS ...
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... Audio ICs FPin descriptions BU2615S / BU2615FS 127 ...
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... Audio ICs FElectrical characteristics (unless otherwise noted 25_C, V 128 BU2615S / BU2615FS 5.0V ...
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... PS: If this bit is set to ON while AMIN is selected, swallow counter division is possible. (7) CH: If this bit set to ON, output port P5 goes to phase comparison output PD2 (8) GT: Frequency measurement time and unlock detection ON / OFF (9) TS: Test data. Input(0). (When use D through BU2615S / BU2615FS 129 ...
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... Audio ICs FInput data format 130 BU2615S / BU2615FS ...
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... When control data GT equals equals 1, the un- lock detection circuit goes into operation for 8ms. When CT equals 1, the unlock detection circuits stops operating before the frequency counter gate pulse is emitted. When CT equals equals 0, the unlock detection circuit is reset. Explanation of output data BU2615S / BU2615FS 131 ...
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... FExplanation of CD terminal When frequency measurement or unlock detection is fin- ished, the CD terminal goes indicate that the count and unlock detection have finished. It also syn- chronizes with CK to output counter data. When the next data is input, it goes to HI. 132 BU2615S / BU2615FS ...
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... Audio ICs FExternal dimensions (Units: mm) BU2615S / BU2615FS 133 ...