Datasheet Details
| Part number | U4280BM |
|---|---|
| Manufacturer | TEMIC Semiconductors (now Microchip) |
| File Size | 172.79 KB |
| Description | AM / FM - PLL |
| Datasheet |
 U4280BM Datasheet
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General Description
The U4280BM 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 Frequency range up to 150 MHz D Pre-amplifier for AM and FM D Fine tuning steps: AM 1kHz D Two programmable 16-bit divider, adjustable from 2 to 65535 D Reference oscillator up to 15 MHz D 5 programmable switching outputs, 4 are open drain outputs up to 15 V y FM y 2 kHz D Phase detector with separate outputs for AM and FM D Controlled via I2C bus Ordering Information Extended Type Number U4280BM-B U4280BM-BFL Package DIP20 SO20 Remarks Block Diagram PRT OSCIN 18 19 OSCOUT Latch SCL SDA A.