Datasheet Details
| Part number | U4285BM |
|---|---|
| Manufacturer | TEMIC Semiconductors (now Microchip) |
| File Size | 138.63 KB |
| Description | AM / FM - PLL |
| Datasheet |
 U4285BM Datasheet
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General Description
The U4285BM is an integrated circuit in BICMOS technology for frequency synthesizers.
It performs all the functions of a PLL radio tuning system and is controlled by an I2C bus.
Key Features
- D Reference oscillator up to 15 MHz D Two programmable 16 bit dividers adjustable from 2 to 65535 D 4 programmable switching outputs (open drain up to 15 V) D Fine tuning steps: AM FM y 1 kHz y 2 kHz D Few external component required due to integrated loop-push-pull stage for AM/FM D High signal/ noise ratio Ordering Information Extended Type Number U4285BM-AFS U4285BM-AFSG3 Package SSO20 plastic SSO20 plastic Remarks Taping according to IEC-286-3 Block Diagram SWO1 SWO2 SWO3 SWO4 5 6 7 8.