Datasheet Details
| Part number | U4286BM |
|---|---|
| Manufacturer | TEMIC Semiconductors (now Microchip) |
| File Size | 113.49 KB |
| Description | AM / FM-PLL |
| Datasheet |
 U4286BM Datasheet
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General Description
The U4286BM is an integrated circuit in BICMOS technology for frequency synthesizer.
It performs all the functions of a PLL radio tuning system and is controlled by I2C bus.
Key Features
- D Reference oscillator up to 15 MHz D Two programmable 16 bit dividers adjustable from 2 to 65535 D Two programmable switching outputs (open drain up to 20 V) D Fine tuning steps: AM y 1 kHz FM y 2 kHz D Few external component requirements due to integrated loop-transistor for AM/FM D High signal/ noise ratio Block Diagram SWO 1 OSCIN OSCOUT 14 Oscillator 15 2 3 4 7 Latch I2C.
- BUS Interface Shift register SWO 2 6 5 R.
- Divider Switching outputs Latch Status 11 Phase detect.